Allen & Heath MIXWIZARD WZ4 14:4:2
Contents
1. Ol __2 _ ee 121 eee Allen amp Heath 27 WZ 14 4 2 User Guide2. E k 4 MATRIX AB 2 pue we BALANCE dom E AUX 1 4 AUX5 AUX6 BALANCE BALANCE BALANCE SENDS 15 16 2 TRK SOURCE LRINSERTS m 2 RETURN MATRIX m USB RETURN USB 2 0 MULTICHANNEL AUDIO Allen amp Heath 26 Output balance options are impedance balanced as standard operating at nominal 2dBu The aux and matrix outputs and with 214 maximum drive They provide similar interfer ence rejection to electronically balanced outputs when connected to balanced equipment inputs An electronically balanced option is available if you require nominal 4dBu and higher output drive up to 26dBu over very long cable runs However it is not usu ally necessary to fit this option as the impedance balanced drive satisfies most applications Check that you really need the option before fitting it There are two balanced driver ICs which may be used Either is suitable These are available from Allen amp Heath or most elec tronic component suppliers The Allen amp Heath part number is shown below SSM2142 DRVI34 A amp H Part AE0302 A amp H Part AE5725 For each aux master snip the legs of the two zero ohm resistor links next to each IC This removes them from the circuit Now solder the option IC into the socket Observe the correct IC orientation and make sure its legs are correctly aligned with the socket Test the output once the work is comp
3. STEREO CH MONO STEREO AUXES CNS e POST FADE AUXES MONO STEREO See e PRE FADE AUXES MONO STEREO L MASTER TALKBACK 48V JP1 JP2 H PHANTOM POWER GND 48V Allen amp Heath 25 Aux pre post insert EQ mono channel pre fade auxes is pre insert pre EQ This is Factory default for the popular with many users mixing monitors from It pre vents the channel EQ and inserted compressors affecting the monitor mix Move the jumper from A to B to change this to post insert post EQ if preferred Note that auxes are always post mute Direct output source Factory default is pre fader This is common for live recording to multitrack The live mix fader movements do not affect the recording Move the jump er from C to D to change to post fade Post fade is appropri ate when using the output as a direct channel effects send Channel Aux pre post settings Factory default is Aux 1 4 switched Aux 5 6 switched You can change these settings for different combinations of pre post or switched auxes by cutting and re soldering the links Refer to the system block diagram to explore the possibilities Make sure you set all mono and stereo channels the same We rec ommend you only change these settings if absolutely necessary Solder Options Cut tracks with a sharp knife and ensure that any cuts don t extend beyond the mar
4. shown here PROCESSOR RETURN OUT INSERT a CLL GROUND _ SEND LINK RING TO SLEEVE TO UNBALANCE DIRECT OUTPUT The mic line channel direct output is available on an imped ance balanced TRS jack It is a line level signal operating at OdBu The source is set using an internal option jumper for each channel The factory default setting is pre fade following the pre post EQ setting This may be changed to post fade if preferred The direct outputs provide a useful source for multitrack recording Many users prefer pre fade sends for this application so that the live show fader movements do not affect the recording which can be mixed later Another application is channel effects sends For example a reverb unit may be dedicated to work with the lead vocalist channel only Using a post fade direct output instead of an aux send frees up that aux mix for other purposes Allen amp Heath 13 WZ 14 4 2 User Guide Allen amp Heath GROUP Aux MOUT main console mix outputs are on balanced XLR These produce 4dBu when the meters read 0 The M out put can be switched to provide a mono sum of the post fade L and R signals or the PFL AFL engineer s wedge output The L and R outputs typically feed the house PA system in live sound mixing or a 2 track recorder in studio mixing In FOH mode the M output can pro vide an additional feed for a mono fill speaker or zone
5. E T a PAD PAD PAD PAD lt J une une une une p lov EIE E EE TALKBACK i PHONES TRIM GAIN MATRIX gt ESL ss TOLR TOLR GRP y Lg RP Y Ty HPF HPF HPF i ir 1 ir To 11 12 51512 1013 14 52 54 2 a 47 lt OSC NDISE 1 s GRP ydy GRP y ly Vy k d w Me m GRP GRP PINK NOISE m 3 ir 3 ir 1KHZ OSC m gt lt w 6 LA 6 GRP y ly GRP d E R ALA 4 O 4 Y f LO T f X TBSELECT 2 Ly w af N LR IR ij Tp EUN 6 GRP 1 4 12 N TQ lt TQ E rs 17 is 2 P 5 AUX 1 2 D ALA 2 4 Lye Lads Lag Lye bey gt a 24 LI YL ip C EON OMM arcte LS ES e d ji ix ee a ce i Wt rower 2 A A A MONITOR 7 2 7 m Mg m Sa AUX 5 6 VL on MUTE MUTE 5 AUX PRESS TO TALK 0 PI Om Les E 2TRK A AUX 2 A EX AX Vly A A 1 w Ms A Mies C y 2 Y AFL RE o AUX 4 lt REVERSE FRONT OF HOUSE STAGE MONITOR
6. za G E o OO AAA GEO Enna 9 9 49 59 42 OoQoooooomoooUO 6g a a 940495000 400005050 D es Oe De Eoi UY E Cy 27 O go Hu Cy E Ck 10 10 100 010700 0767010 10 ig 10 e oooooo0oo0o0do u 806506 2 SO Sac O 3003000 SO 9 0 6 fe ff fe 1 0 0 Dm Dem mm mi m Mir e e Allen amp Heath The MixWizard is a compact console designed for professional sound mixing lt is built to the same high standards as our top of the range con soles with individual circuit cards potentiome ters nutted to the panel for absolute strength steel chassis and no compromise circuit design ensuring the finest sonic performance The console can be operated free standing or in 19 rack or flightcase It is supplied with pro tective side trims fitted These can be removed for rack mounting The rear connector pod can be easily rotated for rear facing or underside connectors when rack mount
7. GRP2 TOLR ERES 4 V PAN d vl 5 6 si si A A AS s d Ns LR 177 4 Pasti 177 4 LAR MUTE MUTE l MUTE MUTE MUTE MUTE even even amp m MUTE MUTE c AFL ee AFL Ce AFL Ko AFL AFL c AFL PI PFL PFL PFL PFL PFL PFL PEL PEL PEL 2 PK PFL 95509 8 59809090 e 9 5 5 e ON ONY ON A QV 2 O O O E 36 36 36 36 36 36 56 56 10 10 10 10 10 10 10 10 10 10 10 10 10 10 LR LR wj j 12 __ 2 _ 12 _ 12 _ 12 _ 12 _ 12 _ 12 12 2 10 10 10 10 10 10 34 34 34 34 34 34 34 34 34 34 34 34 20 20 20 20 20 20 20 20 20 2 2 20 2 20 20 2 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 o w w w w w m m m m m m w w o m m
8. LIFT OFF BASE MONO INPUT AUX PRE POST FADER SOLDER OPTION PCB UNDERSIDE AUX PRE POST INSERT EQ DIRECT OUT PRE POST FADER Allen amp Heath The MixWizard has a versatile architecture which should satisfy most applica tions you may encounter without modification However the following inter nal options provide alternative settings for those applications that may de mand them Access is required to the internal assemblies pluggable jumper links are used in most places and also some links require cutting and soldering a solder bridge Remove the base Start by removing the side trims if fitted using a Pozi crosshead screwdriver Release the two M4 Pozi head pod securing screws and rotate the connector pod to gain access to the three M3 rear base fixing screws Use a Torx starhead screwdriver to remove these Ro tate the pod again to remove the four M3 underside base screws using the Torx driver Carefully lift off the base Configure the internal options Jumper Options Fit the options required Set the option jumpers to the required positions Make sure they are pressed fully home Check that all channels are correctly set and all options fitted according to their instructions Make sure that no debris or parts are left loose inside the conso
9. PIN 2 HOT BALANCED 1 9 Ound2 hot 2 hot 1 ground BALANCED Va Va 2 1 ES Female XLR plug XLR male plug 3 cold 3 cold UNBALANCED UNBALANCED HEADPHONES INPUT OUTPUT r UNBALANCED Ring RIGHT Tip LEFT link Ring to Sleeve bal AI 1r p e INSERT Exe LE E Sleeve ground Sleeve ground UNBALANCED Ring return BALANCED Ring cold Tip send Tip hot Y Adapter Y Adapter 2 Outputs to 1 Input RCA phono jacks adapter 1 Output to 2 Inputs Z I c L UNBALANCED i C TO No UNBALANCED INSTRUMENT CABLE UNBALANCED Yes SS M CIT dl 3 a E BALANCED TRS JACK CABLE BALANCED Tro Sideva around Ring cold Ring cold Tip hot Tip hot TO 2 hot 1 ground BALANCED MIC CABLE BALANCED Teground a FROM N resta m T INPUT gd 8 OUTPUT 7 v 3 14 ____ XLR MALE XLR FEMALE xri 3 cold 3 cold a 1 ground 2 hot TRS XLR F CABLE gai ancep ES 5 EX lt lt S 3 4 aed Sleeve ground XLR FEMALE Y 3 cold Ring cold Tip hot 2 hot 1 ground
10. a post ler BAL LINEAR 000 EVEN MUTE 20 SIG IN PHONES OSC NOISE TRIM PINK NOISE 2TRK 1kHz OSC m TOLR R TB SELECT LR GRP 1 4 AUX 1 2 PFL AUX 3 4 ap POWER MONITOR y AUX 5 6 PRESS TO TALK gt 10 m L R m 2TRK es E c i L FL GRP AUX REVERSE GRP3 GRP4 mono um M Feon7 oF House wr Bu TOLR TO LR STAGE MONITOR AFUPRL PK 6 6 6 6 0 0 0 0 sig SIG 56 86 Re MUTE MUTE 10 wj 10 34 20 20 30 30 m 00 We WS 5 w 5 7414 4 2 User Guide Introducing the MixWizard WZ 14 4 2 The Allen amp Heath MixWizard series of consoles includes several models This user guide de scribes the WZ 14 4 2 4 group model The 2 bus WZ 12 2 WZ 16 2 consoles are de scribed in separate publications For further information the Mix Wizard series please refer to the Allen amp Heath web site
11. GROUP AUX Masters AUX MASTERS Each aux mix has a master level control that ad justs the output level to match external equipment or trims the monitor effect or other send without affecting the mix balance Up to 104 boost is available above the normal OdB position AUX AFL Press AFL to listen to the post level aux mix in the head phones and local monitor without affecting the main outputs Note that this becomes the group mix in monitor mode The console main meters are interrupted with the aux group signal The yellow indicator lights to show that AFL has been selected on the master Use AFL to check the signal being sent to the monitors effects or other destination REV These switches reverse the function of the group and aux mas ters They are recessed to prevent accidental operation Use a pen or TOLR pointed object to set their position In the up position flush with the RAN panel the group is controlled by the fader and the aux by the rotary master This is typical for FOH mode where the faders are used for sub A groups feeding the main stereo mix When pressed the aux uses the fader as the master and the group is moved to the rotary control The aux mix is now presented to rear Group XLR complete with insert The 6 group mix appears at the Aux TRS jack This is used for monitor mode 0 56 where the auxes are the main mix feeding the stage monitors You can 1 select any combination for the FOH and mon
12. Y 00 BALANCED LINE MIC LINE INPUTS OdBu INSERT SEND Bt Q RING RETURN DIRECT 4 BAND EQUALISER AFL on DIR JUMPER PRE FADE 9 0 RING IMPEDANCE BALANCED POST FADE LR 0 1 2 o 34 PRE PRE t 8 1 456 55 PR PRE FADE GRP AUX REV EJ AUX OUT GROUPS AUX 1 4 4dBu BAL OPTION FADER AFL 1088 boost oD Lo ES 1 METER 0000 IMPEDANCE BALANCED 2dBu sa GROUP OUT EE TO MATRIX L R 4dBu AFL lt EM B GAIN GAIN UM INPUT T P o gt O zr ON CH e 4 BAND EQUALISER HM EQIN PAN LR AUX REV AUX OUT INPUT ST2 4 0 OSD I DUAL STEREO INPUTS LF AU POST FADE Ti FADER AFL 1088 boost E ES Quo METER 0000 R 5 6 i 4dBu BAL OPTION tice Jo E
13. Mix 23dB 3 colour LED quasi peak response OVU 4dBu at XLR output 12 segment 30 to 16dB 2 segment 12 164 5dB before clip 20Hz to 50kHz 0 5dB Channel to mix out lt 0 004 Fader shutoff gt 90dB Mute shutoff gt 90dB Inter channel gt 90dB Mic EIN 27dB Residual output noise 96dBu 100dB S N LR unity fader mix noise lt 84dBu 88dB S N Group unity fader noise lt 90dBu 94dB S N I2dB octave below 80Hz HF Shelving 15dB 2 2 HM Peak dip 15dB 500Hz to 15 2 1 8 LM Peak dip 154 35Hz to IkHz Q 1 8 LF Shelving 15dB 80Hz HF Shelving 15dB 2kHz HM Peak dip 154 2 5kHz Q 1 8 LM Peak dip 15dB 250Hz Q 1 8 LF Shelving 15dB 80Hz 100 240V 50 60Hz auto sensing IEC input Power consumption 45W max Mains fuse T630mA L 20mm W 507 20 x D 530 209 x H 194 7 7 W 483 19 x D 122 48 444 17 5 W 483 19 x D 193 7 7 497 19 6 W4 1442 unpacked 13kg 28165 W4 1442 packed 16 351 5 WZ 14 4 2 User Guide Connections Mono channel XLR balanced pin 2 hot Sensitivity 60 to 10dBu TRS balanced tip hot Sensitivity 40 to 10dBu Pad out MIC 2k ohm Pad in MIC or LINE gt 10 ohm 20dB Max input level 30dBu XLR phantom power 48V on off Stereo channel STI 3 TRS unbalanced gt l0k ohm 16 to 20dBu ST2 4 TRS balanced gt 10k ohm 16 to 20dBu Talkback mic XLR balanced 2 hot Sensitiv
14. or be used as the main feed into a mono PA In monitor mode the M output feeds the engineer s wedge monitor speaker with the AFL signal interrupted by PFL Group 4 outputs can be used to provide additional zone or special feeds or for multitrack recording In FOH mode they are often left unconnected where the groups are used as subgroups for grouped level control and or inserted processing In monitor mode the group and LR output XLRs and inserts become the aux mix masters This configures the console with 6 main mix outputs capable of driving the stage monitors AUX OUT 1 6 Each aux send is available on an impedance balanced TRS jack operating at 2dBu line level An internal option is available to fit a bal anced line driver IC to provide an electronically balanced output operating at 4dBu Note that it is not usual to require this option as the impedance bal anced standard drive provides sufficient interference rejection when feeding balanced equipment inputs The aux sends are typically used to feed monitors effects devices such as re verb and delay and for special mix requirements monitor mode these out puts reverse with the groups and LR connections MATRIX OUT A B Each matrix output is available on an impedance balanced TRS jack operating at 2dBu line level An internal option is available to fit a balanced line driver IC to provide an electronically balanced output operating at 4dBu Note that it is not usual to
15. A 3 3 N 3 e Le FROMLR MONO SUM Ig o WEDGE MODE BE FROM PFL AFL 72 boost OUT O m TO MATRIX MONO MONITOR 2TRK MOUT npe 0 4dBu 48V PHANTOM TALKBACK MIC IN BALANCED JUMPER OPTIONS E J PR PRE FADE SW SWITCHED PX PO POST FADE 3 1KHz OSC do E MATRIX OUT E 9 3 72 boost LEVEL AFL MATRIX A B Faas e 000001 000090000009 gt OLR L 0 GRP1 4 PINK NOISE C PRESS TALK D auxt 2 AUX3 4 0 AUX56 SEND da EJ 2TRK TO LR o PFL AFL o LR 2 TRK MONITOR MONITOR OUT eO IMPEDANCE BALANCED PHONES OUT 0 d TO WEDGE MODE LEFT RING RIGHT WZ 14 4 2 User Guide 23 Allen amp Heath User Options REMOVE 4x M4 POZI SCREWS PER SIDE REMOVE SIDE TRIMS ES o o x o o ROTATE POD REMOVE 4x M3 TORX SCREWS L w o
16. BALANCED TRS to XLR M CABLE dur Ale E 4 x 9 E lt lt ERE gt gt XR MALE Sleeve ground Ring cold Tip hot 10 WZ 14 4 2 User Guide Allen amp Heath Audio Connections The MixWizard uses professional grade 3 XLR and 1 4 TRS 3 pole jack sockets To ensure best perfor mance we recommend that you use high quality audio cables and connectors and take time to check for relia ble and accurate cable assembly It is well known that most audio system problems are due to faulty or sub standard interconnecting leads The following mating plugs may be used to connect audio signals to the console XLR female plug TS jack plug eee 7 Sleeve g __ phono jacks XLR male plug TRS jack plug N Sleeve Tip Avoid reversing and on balanced connections as this will result in reversed polarity out of phase signals which may cause signal cancellation effects Where long cables runs are required balanced interconnections should be used However line level intercon nections between more affordable 2 wire signal ground unbalanced equipment and the console are unlikely to cause problems if the cables are kept shorter than 10 meters or so Refer to the wiring diagrams on the oppo site page Dealing with Ground Loops Buzz and Interference For optimum performance all audio signals should be referenced to a solid noi
17. has been selected on that channel Selecting more than one PFL at the same time mix es those signals together in the monitor PEAK The red indicator illuminates when the channel pre fade signal is within 5dB of clipping This gives you enough warning to reduce the GAIN control before you hear signal distortion SIGNAL The green signal presence indicator lights when the channel pre fade signal is greater than 12 ROUTING Press L R to route the channel signal to the main LR mix Press 1 2 or 3 4 to route to the groups Use PAN to posi tion the signal between L R or the odd even group pairs To route to a single group set PAN fully to one side You can route to L R and all groups simultaneously by pressing all switches Check that you have set these switches correctly before you start mixing FADER Controls the channel level feeding the main LR mix groups and post fade aux sends also affects the direct output if this has been set to post fade using the internal option jumpers The fader provides 104 maximum boost above its normal unity gain OdB position Allen amp Heath 16 WZ 14 4 2 User Guide STEREO Input Channel Dual stereo inputs Each of the two stereo channels has two stereo inputs which can be used separately mixed together or split so that one feeds the channel the other routes direct to LR For example you could mix two sound effects playback devices or two reverb re t
18. require this option as the im pedance balanced standard drive provides significant interference rejection when feeding balanced equipment inputs The matrix outputs are typically used for stereo or mono recording or broad cast feeds delay and fill speakers zone feeds hearing assist loops and so on 2 TRACK IN and OUT These connections are unbalanced on RCA phono sockets for connection to popular recording and playback devices such as CD MiniDisc computers and tape machines Nominal line level is 2dBu The 2 track SEND always follows the post fade LR mix regardless of mode switch configuration The 2 track RETURN can be used for monitoring a ste reo recording or as a simple stereo input for playback of walk in and back ground music MONITOR OUT These impedance balanced line level TRS jack outputs follow the post level monitor signal Separate sockets are provided for the L and R signals Use these to feed local speaker or other in ear monitor sys tems USB OPTION blanking plate is fitted here as standard The USB option kit is available from Allen amp Heath Refer to OPTIONS later in this guide 14 WZ 14 4 2 User Guide MONO Input Channel 48V Switches 48VDC to the channel input XLR for powering mi crophones or DI boxes that need phantom power The power is current limited through 6k8 ohm resistors to pins 2 and 3 A WARNING Do not connect unbalanced sources or ca bles to inputs with phantom power
19. safety and operating instructions for future reference Adhere to all warnings printed here and on the console Follow the operating instructions print ed in this User Guide Operate the console with its covers correctly fitted Disconnect mains power by unplugging the power cord if the cover needs to be removed for setting internal options Refer this work to competent technical personnel only Connect the console to a mains power unit only of the type described in this User Guide and marked on the rear panel Use the power cord with sealed mains plug appropriate for your local mains supply as provided with the console If the pro vided plug does not fit into your outlet consult your service agent for assistance Route the power cord so that it is not likely to be walked on stretched or pinched by items placed upon or against it Do not defeat the grounding and polarisation means of the power cord plug Do not remove or tamper with the ground connection in the power cord A WARNING This equipment must be earthed Water and moisture Ventilation Heat and vibration Servicing Installation Allen amp Heath To reduce the risk of fire or electric shock do not expose the console to rain or moisture or use it in damp or wet conditions Do not place containers of liquids on it which might spill into any openings Do not obstruct the ventilation slots or position the console where the air flow required for ventilation is i
20. selected To avoid loud clicks always mute the channel before switching 48V on or off and when plugging or unplugging microphones PAD LINE Press this switch to select the channel TRS jack LINE input Release the switch to select the XLR MIC input The XLR nor mals through the TRS socket With nothing plugged into the line input the switch therefore becomes a PAD for the mic XLR It attenuates the input signal by 20dB for connection to high level microphone or line sources e GAIN Adjusts the input sensitivity to match the connected source to the internal OdBu operating level of the channel Provides a variable 504 range from 10 to 60dB gain mic or 10 to 40dB line pad selected The gain should be set using PFL so that the console meters average 0 with loudest moments lighting 6 Reduce gain if the red peak indicator lights AUX gt 1 Important note on setting channel levels Use PFL to set the GAIN controls for correct signal level through each channel Use the faders to balance each signal in the mix do not recommend setting the faders to 0 and mixing using the GAIN controls HPF Switches in the channel high pass filter This attenuates frequen cies below 80Hz by 12dB per octave The filter is pre insert pre EQ Select the HPF to reduce low frequency noise such as microphone pop ping stage noise and tape transport rumble EQ 4 band semi parametric EQ
21. www allen heath com To help us provide the most efficient service please keep a record of your console serial number and date and place of purchase to be quoted in any communication regarding this product Contents rt eem e 2 Console Connectors 13 Safety 3 Mono Input Channel 15 General 5 4 Stereo Input Channel 17 INtrOdUCHION 5 Group Aux 18 Front Panel Layout 6 Master 19 Introducing the MixWizard Talkback Generator and Matrix 20 Installing the Console 8 Specifications 21 Connecting 9 System Block Diagram 23 Connection Pin outs and Cables 10 User Oplions ee tenes 24 Audio Connections 11 Sheets acte cic 27 Connector Panel Layouts 12 Allen amp Heath 5 WZ 14 4 2 User Guide Allen amp Heath LR TO 13 14 ST3 ST4 L m POST PRE AUX 5 00 6 AUX 6 m POST am
22. ALLEN amp HEATH D v MixWizard WZ 14 4 2 USER GUIDE Publication AP8666 Limited One Year Warranty This product is warranted to be free from defects in materials or workmanship for period of one year from the date of purchase by the original owner To ensure a high level of performance and reliability for which this equipment has been designed and manufactured read this User Guide before operating In the event of a failure notify and return the defective unit to ALLEN amp HEATH Limited or its authorised agent as soon as possible for repair under warranty subject to the following conditions Conditions Of Warranty The equipment has been installed and operated in accordance with the instructions in this User Guide The equipment has not been subject to misuse either intended or accidental neglect or alteration other than as described in the User Guide or Service Manual or approved by ALLEN amp HEATH Any necessary adjustment alteration or repair has been carried out by ALLEN amp HEATH or its authorised agent This warranty does not cover fader wear and tear The defective unit is to be returned carriage prepaid to ALLEN amp HEATH or its authorised agent with proof of purchase Units returned should be packed to avoid transit damage In certain territories the terms may vary Check with your ALLEN amp HEATH agent for any additional warranty which may apply This product complies with the European Electro
23. DIRECT AUXS AUX 4 re sounce Use RETURN MULTICHANNEL AUDIO e ie e DIRECT DIRECT AN QUT QUT 10 1 73 REVERSE p sup MEN U qiie eire 0 FUSE CAUTION aC Mais i RISK OF ELECTRIC SHOCK DO NOT OPEN 047465 C AVIS RISQUE DE CHOC ELECTRIQUE PAS OUVRIR CONFORMS TO ANSVUL STD 60065 2003 CERTIFICATED TO CAN CSA STO 5006503 ATTENTION REMPLACER PAR UN FUSIBLE STRICTEMENT IDENTIQUE EN VALEURS Late on litetavasuojamaadotuskostetimilavarstetwn pistorasiaan o CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE FUSE WITH TYPE AND RATING 100 240V 47 6292 45W Apparatet m coles sont Apparaten ll anita t utag Tis device complies wih Part 15 o e FCC Operation is subjecto the folowing ho conditons T s device may not cause hr orare an 2 me devize mut accept any sud cng mirarea that cause unde operate ENGINEERED IN ENGLAND BY ALLEN amp HEATH LIMITED MADE IN CHINA CET APPAREIL DOIT ETRE MIS A LA TERRE Serial o EN WARNING THIS APPARATUS MUST BE EARTHED Allen amp Heath 12 WZ 14 4 2 User Guide The Console connectors MIC LINE IN The channel PAD LINE switch selects either the MIC XLR or the L
24. INE TRS jack as the input source The XLR is normalled through the TRS jack This means that the XLR can be used for microphone or line level signals when noth MIC ing is plugged into the jack socket Both inputs are balanced but can be wired to work with unbalanced signals when required LINE bles to the XLR input when 48V phantom power is selected To avoid loud clicks always turn the channel off by pressing MUTE when switching 48V IN RING IN WARNING Do not connect unbalanced sources or ca on or off and when plugging or unplugging cables STEREO LINE IN The WZ 14 4 2 has two stereo inputs for each of the two stereo channels STI and ST2 feed channel 1 12 ST3 and 574 feed channel 13 14 All inputs use TRS jacks STI and 3 are unbalanced ST2 and 4 are balanced Unbal anced inputs automatically connect the TRS ring to ground for working with balanced sources The L input is normalled through the R input to accept mono signals SEND INSERT INSERT single 3 pole TRS jack carries the unbalanced insert signal Tip send TIP Ring 7 return Sleeve common ground The channel inserts are post HPF pre EQ operate OdBu group aux and LR mix inserts are pre fader and operate RETURN RING at 2dBu These should work fine with line level signal processing equipment such as compressors outboard EQ delay units and so on An example of a suitable cable is
25. allows the console to be linked to a com puter for multitrack recording An Allen amp Heath LEDlamp gooseneck lamp with built in dimmer can also be added for lighting the console in low light conditions WZ 14 4 2 User Guide Installing the Console Allen amp Heath Free Standing The console is supplied ready for free standing operation with its side trims fitted and connector pod positioned for rear access If you are converting from rack to free standing then make sure the pod is correctly rotated and se cured and the side trims fitted as shown FIT SIDE TRIMS 4x M4 POZI SCREWS PER SIDE CONSOLE WIDTH 507mm 184 j RELEASE M4 POZI SCREW EACH SIDE f ROTATE POD AND REFIT SECURING SCREWS 19 Rack Mount For rack mounting remove the two side trims and rotate the pod into the connector position preferred Allow enough space for the cables and connectors behind the console 101 6 165 1 101 6 SECURE IN RACK USING 8 BOLTS USE PLASTIC CUP WASHERS TO PROTECT THE PANEL Le 37 7 482 6 19 RACK Do not transport the console with its connector pod securing screws removed Do not attempt to re move the connector pod from the console Do not obstruct the ventilation slots Allow adequate space around the console for air flow If the side trims are to be removed do not refit their fixing screws to the unit Retain and store these in case the trims need to be refitted i
26. ation during the show MATRIX matrix provides 2 additional console outputs It is a mixer within a mixer taking its source from the groups and main mix It can be used to provide duplicate main outputs or to create new mixes from the main outputs The controls are positioned conveniently away from the live performance controls to avoid accidental operation Each of the 4 groups L and R can be mixed independently into the ma trix The source is derived post fader Adjust the level clockwise from fully off to 6dB boost Use the LEVEL control to adjust the matrix output level from fully off to a maximum boost of 6dB The OdB posi tions are marked The matrix output can be muted The post level signal can be monitored using the AFL switch Use the matrix to create special mixes such as delay fill and zone speak ers recording and broadcast feeds hearing assist loop and so on 20 WZ 14 4 2 User Guide Specifications Allen amp Heath Performance Maximum output level Internal headroom Meters Sensitivity Master meters Channel meters Frequency response THD n 10dBu 2 Crosstalk at kHz Noise rms 22Hz to 22kHz Channel HPF Mono EQ Stereo EQ Power supply Mechanical Free standing dimensions Rack mounted 100 Underside connectors Rack mounted 11 20 Rear connectors Weight 21 XLR 264 into 600 ohms max load Jack 214 into 2k ohm max load Channels 21dB
27. aux REV function the WZ 14 4 2 can be configured as a compact yet fully featured monitor console 7 LR Masters Separate faders control the main mix L and R output levels oo They provide 10dB maximum boost Each master includes a 4 LED bar me 2 2 ter an AFL switch and a MUTE switch so that L and R can be separately moni Eira tored and muted This is most useful in monitor mode where these masters carry the AUX5 and AUX6 signals Allen amp Heath 19 WZ 14 4 2 User Guide TALKBACK SIGNAL GENERATOR and MATRIX OSC NOISE TRIM PINK NOISE m 1kHz OSC m TB SELECT L R GRP 1 4 AUX 1 2 AUX 3 4 AUX 5 6 MAX 2TRK USB 0 Ei 10 2TRK TOLR PRESS TO TALK Allen amp Heath MATRIX m J power MONITOR co 10 AR LR a 2TRK 2g m GRP GRI GRI d TALKBACK Individually assignable talkback is available to all the main outputs Plug in a suitable cable or gooseneck microphone A good quality dynamic or condenser vocal microphone is recommended Note that 48V phantom power is available at the XLR as standard If you prefer this can be disabled by repositioning an internal jumper link A WARNING Do not connect unbalanced sources or ca bles to inp
28. e packing if you need to ship the unit To avoid damage to your hearing do not operate any sound system at excessively high volume This also applies to any close to ear monitoring such as headphones Continued exposure to high volume sound can cause frequency selective or wide range hearing loss 4 WZ 14 4 2 User Guide Introduction Welcome to the Allen amp Heath WZ 14 42 the latest generation of the popular MixWizard series of compact audio mixing consoles We have tried to keep this user guide brief and to the point Please read it fully before starting Included is information on installing connecting and operating the console panel drawings system block diagram and technical specification For further information on the basic principles of audio system engineering please refer to one of the specialist publications and resources available from bookshops audio equipment dealers and the Internet Whilst we believe the information in this guide to be reliable we do not assume re sponsibility for inaccuracies We also reserve the right to make changes in the in terest of further product development We are able to offer further product support through our world wide network of ap proved dealers and service agents You can also access our Web site on the In ternet for information on our full product range our company pedigree assistance with your technical queries our contact details or simply to chat about matters au dio
29. ed With its 4 band semi parametric EQ 4 groups 6 auxes and stereo main output the WZ 14 4 2 is equally at home mixing live shows recordings and corporate events recessed switches configure the console for optimum FOH or stage monitor operation This dual function ality pioneered by Allen amp Heath gives the con sole its unique ability to properly function as Front of House or stage monitor or handle both at the same time ideal as a hard working work horse for hire stock touring and installed sound The WZ 14 4 2 has 10 mono mic line inputs 2 fully featured dual input stereo channels and a 2 track replay input a total of 20 inputs to the mix Of special note is the addition of a 2 x 6 way matrix providing a useful multi purpose output for those special demands such as recording and broadcast feeds delay fills zone feeds and so on A host of top end features are provided including oscillator and pink noise generator individual talkback to all outputs comprehensive engineer s metering and monitoring and a lamp socket The base of the console can be removed to ac cess internal user selectable options These con figure user preference for the aux sends direct outputs and talkback mic phantom power The aux and matrix outputs are impedance bal anced but may be electronically balanced if re quired by fitting an optional part kit is also available to fit an optional USB2 output card which
30. hones for long periods at PRESS TO TALK 10 EB ote high volume Continued exposure to high volume sound can cause am 2TRK frequency selective or wide range hearing loss AFL AFL Ea AUX 5 and 6 Masters These function in the same way as described for auxes to 4 The REV switch reverses the AUX5 mix with and AUX6 L A mix with R for operation in monitor mode When selected the aux signals e n presented to the L and R XLR outputs complete with their inserts The LR ra r mix swaps on to the Aux TRS jack outputs Note that the LR mix always feeds B the matrix regardless of mode selected Ls Ro Wes Master rotary control adjusts the level of the signal to the M output oO XLR The source is selected using the mode switch above the control This is e e recessed to prevent accidental operation Use a pen or pointed object to set the position In the up position flush with the panel the post fade L and R i mix is summed to provide a mono source Use this in FOH mode to feed a mono PA fill delay or zone speakers or even a mono broadcast or recording send In monitor mode press the switch to create an engineer s monitor wedge feed from the AFL PFL mix It is common to use a wedge speaker of the same type a6 used on stage to listen to and check the various monitor mixes being sent to 7 the performers Together with the group
31. it to the signal The result is that the wanted signal is boosted Now examine what happens when unwanted interference hum and noise is induced into the cable The noise is induced equally and with the same polarity into both wires At the destination input the wire signal gets inverted and added to the signal Because the polarity is the same on both input wires the noise cancels itself out at this input For this interference rejection to work it is important that the source the cable and the destination input are all balanced Balancing provides greatest advantage with low level signals such as those produced by microphones An impedance balanced output provides similar interference rejection but without the signal drive on the wire It does not generate a negative polarity signal at its output Instead the wire has no signal but is held at the same impedance as the wire This means that both wires pick up the noise equally resulting in cancellation as described above Allen amp Heath 11 WZ 14 4 2 User Guide amp MixWizard WZ 14 4 2 MATRIX OUT MONITOR OUT AUXG AUX3 Rua INSERT INSERT 13 14 11 12 sert 10 insert 9 insert 8 INSERT 7 insert 6 insert insert 4 insert 3 insert 2 insert 1 LINE IN LINE IN LINEN LINE IN _ LINEIN _____ LINEIN
32. itor mode for example just 3 4 giving you two fader subgroups two monitor sends on faders and main LR mix Note The groups always feed the matrix and the subgroup controls PAN and GRP TO LR regardless of mode This means the group mix can still perform a useful function when the console is configured in moni tor mode PAN Positions the group signal between L an R in the stereo mix when the GRP TO LR switch is pressed Using pan you can create mono or stereo groups positioned as you require in the main mix For stereo grouping set the odd group pan fully to the left and the even group pan fully to the right The centre position mono image is detented for quick resetting Note that the group mix always feeds these subgroup controls regardless of FOH or monitor mode selected METER A4 LED bar meter displays the post fade group signal FOH mode or aux signal monitor mode REV pressed MUTE When pressed the group aux signal is turned off This affects the feed to the output XLR LR and matrix The red indicator lights when the channel is muted GROUP AFL Press AFL to listen to the post fade group mix the headphones and local monitor without affecting the main outputs Note that this becomes the aux mix in monitor mode The console main me ters are interrupted with the group aux signal The yellow indicator lights to show that AFL has been selected on that master GROUP FADER Controls the group mix output level No
33. ity 50 to 104 Phantom power Internal jumper 48V 2 track return RCA phono unbalanced gt 4k ohm 8 to 4dBu 2 track send RCA phono unbalanced lt Ik ohm 2dBu Inserts Channel TRS tip send ring return OdBu Output TRS tip send ring return 2dBu L R M outputs XLR balanced pin 2 hot 75 ohm 4dBu 26dBu max Group aux out XLR balanced pin 2 hot 75 ohm 4dBu 26dBu max Aux l 6 output TRS impedance balanced 75 ohm 2dBu 214 max Electronic balance option lt 75 ohm 4dBu 26dBu max Direct out TRS impedance balanced 75 ohm OdBu 21dBu max Matrix out TRS impedance balanced 75 ohm 2dBu 21dBu max Electronic balance option lt 75 ohm 4dBu 26dBu max Headphones TRS tip L ring R 30 to 600 ohm headphones recom mended Monitor output TRS impedance balanced 75 ohm 2dBu 21 dBu max Lamp 4 pin XLR 12 5W lamp MixWizard 4 Series Part Numbers WZ 12 2 8 mic line 2 dual stereo LR console W4 122 274162 16 mic line LR console W4 162 7414 4 2 10 mic line 2 dual stereo 4 group console W4 1442 WZ 12 2 WZ 16 2 amp WZ 14 4 2 USB2 option kit 004 232JIT SSM2142P balanced output driver option IC AE0302 DRV134 balanced output driver option IC alternative to above AE5725 Allen amp Heath 18 gooseneck LED lamp LEDLAMP Allen amp Heath 22 WZ 14 4 2 User Guide Block Diagram WZA 14 4 2 ms PHANTOM POWER 2 LINE PAD 2 Bx 20dB HPF GAIN
34. ked area Add a solder blob to con nect the adjoining pads If you have any doubts about this procedure please contact Allen amp Heath and we will put you in touch with your nearest service centre Stereo Channel Aux pre post settings default is Aux 1 amp 2 switched Aux 3 amp 4 switched Aux 5 amp 6 switched Configure as mono channel but connections are using jump ers instead of solder links Stereo Mono aux source The stereo channels can feed the auxes with a mono sum of L R or be configured so that L feeds the odd numbered auxes and R the even This is preferred when using odd even auxes as stereo pairs Factory default is the mono setting Talkback mic 48V The factory default is 48V phan tom power turned on for the front panel talkback mic XLR input The option jumper is behind the TB mic XLR on the L Master board If you prefer phantom power can be disabled by repositioning the jumper to the GND position Note that phantom power should not harm non powered dy namic microphones as long as balanced connections are used A WARNING Do not connect unbalanced sources or cables to inputs with phantom power select ed To avoid loud clicks do not press the TALK switch when plugging or unplugging the talkback microphone WZ 14 4 2 User Guide MASTER L GROUP MASTER
35. le Solder Options Solder options require some ability with a soldering iron if you have any res ervations then please contact your local service centre to carry out this pro cedure for you See page opposite for details on how to modify the solder options Refit the base Carefully reposition the base Refit the fixing screws Lock the connector pod in the required position using the securing screws Refit the side trims if required IMPORTANT Check carefully that all channel options are correctly set as required Errors on one or more channels now may cause user prob lems later We recommend that you write the repositioned option settings on a label and adhere this to the rear panel This would provide a helpful reference to other users of the console HE eS E N Em E EA Se gt ES STEREO INPUT X CE GROUP MOIS AUX5 BALANCE AUX6 EN lt BALANCE gt MATRIX AB e BALANCE 5 7 N Fim D TB MIC 4 AUX 1 4 TER P BALANCE T 24 7414 4 2 User Guide MONO CH AUX PRE POST EQ PR PO AUX MONO CH DIRECT OUT PR PO DIR MONO CH AUX PRE POST FADER PR PRE m m m PO POST m m SW SWITCH pR SW PR SW PO SW PO SW AUX1 2 AUX3 4 AUX5 AUX 6 STEREO CH AUX PRE POST FADER L K J IJH EJD PR PRE PO POST PO SW PO SW PR SW PR SW PR SW PR SW Sw SWITCH 6 5 4 3 2 1 AUX
36. lete You should measure the same level but opposite polarity signal between hot and ground and cold and ground NOTE This procedure will require the use of a soldering iron If you have any doubts please contact Allen amp Heath and we will put you in touch with your nearest service centre USB OPTION blanking plate is fitted over the rear USB socket as standard A USB multi channel option card is available the part number is shown below 004 232JIT WZ4 USB AUDIO OPTION This is a high quality audio card that sends 16 channels from the mixer to a computer for recording or pro cessing A stereo channel is returned to the mixer for monitoring purposes or as an effects return path The card sends the following channels to the computer Mono channels 1 10 direct out Insert sends group 1 4 Left right insert sends OR Matrix outputs The 2 TRK source can toggled between the computer return feed or the input sockets mounted at the rear of the mixer For full details please refer to the WZ4 USB option appli cation note AP8987 and fitting instructions AP8988 WZ 14 4 2 User Guide Cue Sheet WZ14 42 Copy and use this page to record your console settings ALLEN amp HEATH MixWizard 1 7714 4 2 SA
37. magnetic Compatibility directive 2004 108 EC and the European Low Voltage directive 2006 95 EC This product has been tested to EN55103 Parts amp 2 2009 for use in Environments E2 E3 and E4 to demonstrate compliance with the protection requirements in the European EMC directive 2004 108 EC During some tests the specified performance figures of the product were affected This is considered permissible and the product has been passed as acceptable for its intended use Allen amp Heath has a strict policy of ensuring all products are tested to the latest safety and EMC standards Customers requiring more information about EMC and safety issues can contact Allen amp Heath NOTE changes or modifications to the console not approved by Allen amp Heath could void the compliance of the console and therefore the users authority to operate it Allen amp Heath WZ 14 4 2 User Guide AP8666 Issue Copyright 2013 Allen amp Heath Limited All rights reserved Allen amp Heath Limited Kernick Industrial Estate Penryn Cornwall TRIO 9LU UK http www allen heath com Allen amp Heath 2 WZ 14 4 2 User Guide Safety Instructions WARNING Read the following before proceeding CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR Read instructions Do not remove cover Power sources Power cord routing Grounding Retain these
38. mpeded If the console is to be operated in a rack unit or flightcase ensure that it is constructed to allow adequate ventilation Do not locate the console in a place subject to excessive heat or direct sunlight as this could be a fire hazard Locate the console away from any equipment which produces heat or causes excessive vibration Switch off the equipment and unplug the power cord immediately if it is exposed to moisture spilled liquid objects fallen into the openings the power cord or plug become damaged during lightning storms or if smoke odour or noise is noticed Refer servicing to qualified technical personnel only Install the console in accordance with the instructions printed in this User Guide Do not connect the output of power amplifiers directly to the console Use audio connectors and plugs only for their intended purpose 3 WZ 14 4 2 User Guide Safety Instructions Important Mains plug wiring instructions The console is supplied with a moulded mains plug fitted to the AC mains power lead Follow the instructions below if the mains plug has to be replaced The wires in the mains lead are coloured in accordance with the fol lowing code TERMINAL WIRE COLOUR European USA Canada BROWN BLACK BLUE WHITE GREEN amp YELLOW GREEN The wire which is coloured Green and Yellow must be connected to the terminal in the plug which is marked with the letter E or with the Earth symbol This appliance must be ea
39. n the future 8 WZ 14 4 2 User Guide Connecting Power Allen amp Heath FUSE CAUTION NI AC MAINS IN RISK OF ELECTRIC SHOCK 100 240V 47 63Hz 45W DO NOT OPEN Intertek E 3047465 ff 7 AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CORFORMS TO ANSUUL FTE 60065 2005 CERTIFICATED TO CAN CSA STD 60065 03 2 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE FUSE WITH SAME TYPE AND RATING ATTENTION REMPLACER PAR UN FUSIBLE STRICTEMENT IDENTIQUE EN VALEURS Laite on liitett v suojamaadoituskoskettimilla varustettuun pistorasiaan Apparatet ma tilkoples jordet stikkontakt ji 22d Apparaten skall anslutas till jordat uttag This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions WARNING THIS APPARATUS MUST BE EARTHED 1 this device may not cause harmful interference ant CET APPAREIL DOIT ETRE MIS A LA TERRE 8 2 this device must accept any interference received including interference that may cause undesired operation ENGINEERED IN ENGLAND BY ALLEN amp HEATH LIMITED MADE IN CHINA Serial No OFF ON Read and understand the Important Safety Instructions printed at the start of this guide and the warnings printed on the rear of the console Check that your local mains supply is within the 100 240V operating voltage range allowed Check that the correct mains lead with moulded plug has been sup
40. ntre detented OdB position AUX SENDS These work as described for the mono channel The L and R sides of the stereo signal sum together to feed each aux in mono This can be changed using an internal jumper so that L feeds auxes 3 and R feeds auxes 2 4 The auxes are always post EQ BAL Balances the level of the L signal against the R signal to compen sate for differences in the source signal or to position the signal within the stereo image The centre equal level position is detented for quick resetting MUTE When pressed the channel signal is turned off This affects the feed to the LR mix groups and pre and post fade aux sends The red indicator lights when the channel is muted PFL Press PFL to display the summed L R pre fade channel signal on the main meters and listen to it in the headphones and local monitor without affecting the main outputs The red PK indicator half lights to show that PFL has been selected on that channel red indicator illuminates when the channel pre fade signal is within 5dB of clipping This gives you enough warning to reduce the GAIN control before you hear signal distortion SIGNAL The green signal presence indicator lights when the chan nel pre fade signal is greater than I 2dBu ROUTING the mono channel routes the left signal to L and odd groups right signal to R and even groups Allen amp Heath 17 WZ 14 4 2 User Guide
41. plied with your console Make sure that the IEC mains plug is pressed fully into the panel socket before switching on Grounding The connection to ground in an audio system is important for two reasons audible hum and buzz and to shield the audio signals from interference SAFETY To protect the operator from high voltage electric shock and 2 AUDIO PERFORMANCE To minimise the effect of ground earth loops which result in 3 For safety it is important that all equipment grounds are connected to mains ground so that exposed metal parts are prevented from carrying high voltage which can injure or even kill the operator Do not disconnect the ground connection in the mains lead It is recommended that the system engineer check the continuity of the safety ground from all points in the system including microphone bodies turntable chassis equipment cases rack metalwork and so on Switching the console on and off It is good practice to turn power amplifiers off before switching the console and any other con nected equipment on or off This prevents any unexpected clicks or thumps when the equip ment is powered up Turn amplifiers and powered speakers on last and off first To turn the console on press the ON OFF switch next to the IEC mains input socket To turn the console off press this switch again WZ 14 4 2 User Guide 1 3 12V OUTPUT INPUT XLR female socket XLR male socket
42. provides independent control of four frequency bands Use EQ IN to compare the sound with the equal iser switched in or out of circuit HF and LF are shelving filters which affect high frequencies above I2kHz and low frequencies below 80Hz respectively HM and LM are bell shaped peak dip filters which affect frequencies around a centre point which can be swept from 500Hz to I5kHz and 35Hz to IkHz respectively These have a width of 1 8 All bands be boosted or cut by up to 1548 and have a centre detent OdB position Check for the best microphone selection and placement before using the EQ Start with the EQ set flat and apply only as much boost or cut as is really needed When dealing with problem frequencies cut rather than boost where possible Allen amp Heath 15 WZ 14 4 2 User Guide AUX SENDS These rotary controls adjust how much channel signal is mixed to the aux outputs Each of the 6 auxes has its own control They adjust from fully off to 6dB boost Unity gain OdB is marked at 3 o clock position Auxes 1 4 5 6 are switched pre post These settings may be changed if preferred by repositioning internal jumper link options They offer many different combinations of pre and post fade sends and a post EQ option for the pre fade sends More detail is provided in OPTIONS later in this guide Pre fade aux sends are not affected by the channel fader movements These are typically used to feed
43. rthed The wire which is coloured Blue must be connected to the terminal in the plug which is marked with the letter N The wire which is coloured Brown must be connected to the terminal in the plug which is marked with the letter L Ensure that these colour codes are followed carefully in the event of the plug being changed General Precautions Damage Environment Cleaning Transporting Hearing Allen amp Heath To prevent damage to the controls and cosmetics avoid placing heavy objects on the control surface scratching the surface with sharp objects or rough handling and vibra tion Protect from excessive dirt dust heat and vibration when operating and storing Avoid tobacco ash smoke drinks spillage and exposure to rain and moisture If the console becomes wet switch off and remove mains power immediately Allow to dry out thoroughly before using again Avoid the use of chemicals abrasives or solvents The control panel is best cleaned with a soft brush and dry lint free cloth The faders switches and potentiometers are lubricated for life The use of electrical lubricants on these parts is not recommend ed The fader and potentiometer knobs may be removed for cleaning with a warm soapy solution Rinse and allow to dry fully before refitting them The console may be transported as a free standing unit or mounted in a rack or flightcase Protect the controls from damage during transit Use adequat
44. se free ground earth point fre quently referred to as the star point or clean earth A ground loop is created when potential differences exist between grounds at different points in the system and the signal has more than one path to ground In most cases ground loops do not result in audible problems Should you experience hum or buzz caused by a ground loop check first that each piece of equipment has its own separate path to ground If so operate ground lift switches on connected equipment in accordance with the instruction manuals Alternatively disconnect the cable screen at the destination end only This breaks the of fending loop while keeping the signal shielding down the length of cable WARNING For operator safety do not remove the ground earth connection in the power lead of the console or connected equipment To avoid interference pickup keep audio cables away from mains power units and cables thyristor dimmer units computer equipment and mobile phones Where this cannot be avoided cross the cables at right angles to mini mise interference A note about balanced connections A differentially balanced connection has two signal wires signal hot and signal cold and a shield The signal source generates positive going polarity down the wire and negative polarity down the wire The destination input stage accepts the signal on its non inverting input pin but it inverts the signal adding
45. stage monitors In most cases users also prefer that the monitor sends are not affected by inserted pro cessors or the channel EQ Post fade aux sends follow the channel faders and are typically used to send a proportion of the channel signal to an effects device such as reverb or delay Note that post fade sends may be preferred when the console is configured in moni tor mode so that the faders become masters for all monitor mixes Pre or post fade sends may also be used for special applications such as recording zone feeds clean feeds and aux fed subs PRE When pressed the pre fade channel signal is sent to the as sociated auxes When released the post fade signal is sent Auxes to 4 and 5 6 are grouped for pre post switching You can change this by repositioning the internal option jumpers PAN Positions the channel signal between L R in the stereo mix and odd even if routed to the groups The centre position mono image is detented for quick resetting MUTE When pressed the channel signal is turned off This af fects the feed to the LR mix pre and post fade aux sends and direct output but does not affect the insert send The red indicator lights when the channel is muted PFL Press PFL to listen to the pre fade channel signal in the head phones and local monitor without affecting the main outputs The console main LR meters are interrupted with the channel signal The red PK indicator half lights to show that PFL
46. te that it becomes the aux mix master in monitor mode REV pressed The fader provides 104 maximum boost above its normal unity gain OdB position Allen amp Heath 18 WZ 14 4 2 User Guide The Master Section Console Monitor Comprehensive engineer s headphones and local monitoring is provided Select either LR or 2 track return as the default source using the L R 2TRK switch Pressing PFL or AFL elsewhere on the console automatically overrides the current monitor source with the signal from the channel or mix selection The red PFL AFL active indicator illuminates and the console meters display the active signal The console main meters provide 12 LED indicators to accurately display the signal level of the selected monitor source Reduce the signal level if the red 16 peak indicator lights For optimum performance the signals meter an PINK NOISE m 2TRK MEDIEN average 0 with loudest peaks reaching around 6 ov L R na Use the MONITOR level control to adjust the level the headphones and ad local speaker monitor We recommend you use closed ear headphones in the range 30 to 600 ohms designed for live sound monitoring Headphones around ML 5 100 ohms impedance a popular choice AUX 1 2 OSC NOISE TRIM Power i ee WARNING avoid damage to your hearing do not operate any close to ear monitoring such as headp
47. urns together into one channel This can be useful in saving channels letting you mix many inputs in a small space The L input signal normals through the R input socket so that a mono source may be plugged in to feed both left and right sides of the stereo channel STI ST3 Unbalanced TRS inputs The GAIN control adjusts from fully off to 16dB gain Press the STI 3 switch to turn the input on Routing mode switch Recessed switch to prevent accidental operation In the normal up position the STI ST3 signal mixes with 572 ST4 into the stereo channel When pressed the signal is routed direct to the LR mix instead of the channel This lets you use these inputs as simple stereo returns in addition to the full stereo channels providing four independent stereo sources to the LR mix 572 574 Balanced TRS inputs The GAIN control adjusts from fully off to 16dB gain Press the ST2 4 switch to turn the input on These inputs always feed the stereo channels EQ 4 band fixed frequency EQ provides independent control of four frequency bands HF and LF are shelving filters which affect high frequencies above 2kHz and low frequencies below 80Hz respectively Use EQ IN to compare the sound with the equaliser switched in or out of circuit HM and LM are bell shaped peak dip filters which affect fre quencies centred around 2 5kHz and 250Hz respectively These have a width of 1 8 All bands can be boosted or cut by up to 1598 and have a ce
48. uts with phantom power selected To avoid loud clicks do not press the TALK switch when plugging or unplug ging the talkback microphone First select the source you wish to talk to You can select the auxes in pairs useful for communicating with the performers on stage The four groups are selected simultaneously ideal for identifying a multitrack recording You can also talk to LR ideal for announcements to the audi ence Once selected press TALK to route the mic to the required des tination Adjust the talkback level using the TRIM control below the TB mic XLR SIGNAL GENERATOR PINK NOISE Press to select either pink noise up position or IkHz sine wave tone as the test source Start with the trim control turned fully down The generator ON switch is rece ssed to prevent accidental operation Press this with a pen or pointed object The green indicator lights to warn that the generator is enabled The generator signal is routed to any source selected on the switch bank above the TALK switch Use the signal to test the loudspeaker system and line up connected equipment Pink noise is useful for quickly testing the full range frequency operation and phasing polarity of loud speakers The IkHz tone is better suited to lining up equipment with its steady reading on the meters WARNING We recommend you turn off the signal generator once you have finished using it to test and line up your system This will prevent accidental oper
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