OWNER`S MANUAL
Contents
1. WARNING REDUCE THE RISK OF FIRE OR ELECTRIC A CAUTION A SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR DO NOT OPEN MOISTURE DO NOT REMOVE COVER RISK OF ELECTRIC SHOCK AVERTISSEMENT POUR R DUIRE LES RISQUES D INCENDIE ATTENTION PAS OUVRIR OU DE CHOC LECTRIQUE NE PAS EXPOSER CET APPAREIL LA RISQUE DE CHOC ELECTRIQUE PLUIE OU L HUMIDIT NE PAS RETIRER LE COUVERCLE SERIAL NUMBER REVISION 4 CHANNEL PROFESSIONAL EFFECTS MIXER L UNBALANCED UNBAL TAPE TAPE MAIN OUT IN OUT STEREO GRAPHIC EQ 15 EE 10 5 PHANTOM 0 5 10 15 0 250 800 25K MAIN MIX EQIN 15 MON BYPASS 10 READY EFFECTS ENGINE 01 BRIGHT ROOM 07 REVERB 12 02 WARM LOUNGE 08 CATHEDRAL 13 DELAY 1 FAST 03 SMALL STAGE 09 CHORUS 14 DELAY 2 MED 04 WARM THEATER 10 CHORUS REV 15 DELAY 3 SLOW 05 WARM HALL 11 DOUBLER 16PAN DELAY 06 CONCERT HALL 15 __ 2 10 LEVEL 10 LEVEL _ PRESETS MUTE co 5 LEVEL __3 4 PHoNes MaN U 1 1 1 I 10 co MAX 10 10 LEVEL LEVEL LEVEL 2 9 73 Owner s Manual O 4 SIDUM enuey ProFX4v2 Block Diagram XJ m e Sem fame Sm o Ge2. to cymbals an overall sense of transparency an edge to keyboards vocals guitar and bacon frying Turn it down a little to reduce sibilance or to mask tape hiss 11 Low EQ The low EQ provides upto 15 dB of boost or cut below 80 Hz The circuit is flat at the center detent position This frequency represents punch in bass drums bass guitar fat synth patches and some really serious male singers who eat raw beef for breakfast 12 These knobs tap a portion of each channel s signal to set up a nice monitor mix feeding stage monitors independent of the main mix Adjust these controls on each channel until the band is happy with the stage monitor mix The controls are off when fully turned down deliver unity gain at the center detent and can provide up to 15 dB of gain turned fully up The pan switch and channel level do not affect the monitor output but the other channel controls will The aux mon is pre fader so adjusting the channel s level control will not affect the aux mon output level The overall output level may be adjusted with the aux master mon knob and monitor s EQ tweaked with the graphic EQ if the main mix mon switch is engaged Internal FX may also be added to the monitor mix with the FX to mon knob AUX AUX 15 1
3. gt lt 4 CHANNEL PROFESSIONAL EFFECTS MIXER OWNER S MANUAL MIC VITA MIC PRE LINE HI Z IN 1 20dB 30dB GAIN LOW CUT 100Hz 1 mE 2 STEREO LEVEL 10 MIC en MIC PRE 4 CHANNEL PROFESSIONAL EFFECTS MIXER FX SEND UNBALANCED L L LINE IN UNBAL UNBAL LINE IN 2 LINE IN 4 TAPE TAPE MAIN OUT IN OUT PHONES STEREO GRAPHIC 15 E 1 E i E 20dB 30dB Lower METERS 15 OdB 0dBu 250 800 2 5K 8K MAIN EQIN 15 MON BYPASS 10 6 gt EFFECTS ENGINE 01 BRIGHT ROOM 07 REVERB 12 02 WARM LOUNGE 08 CATHEDRAL 13 DELAY 1 FAST 03 SMALL STAGE 09 CHORUS 14 DELAY 2 MED 04 WARM THEATER 10 CHORUS REV 15 DELAY 3 SLOW 05 WARM HALL 11 DOUBLER 16 PAN DELAY 06 CONCERT HALL FX MAIN TAPE LEVEL 15 15 LEVEL LEVEL LEVEL LEVEL __3 4 PHONES MON MaN 10 10 19 10 LEVEL 4 2 Important Safety Instructions 15 16 17 Unplug this apparatus during lightning storms or when Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Cle
4. LINE IN 4 TAPE TAPE MAIN OUT IN OUT PHONES enuey LINE HI Z IN 1 LINE IN 2 STEREO GRAPHIC EQ 3 LEVEL LEVEL POWER U SET U SET U We We Gay 15 15 tl U 50 U 50 PHANTOM 20dB 30dB 20dB 30dB a 208 20dB 0 0 BENTO GAIN GAIN GAIN LOW LOW CUT 100Hz Gal 100Hz 10 E io MAIN Ff METERS 15 15 OdB OdBu 80 250 800 2 5K 8K MIX 15 6 5 lt EFFECTS ENGINE 3 01 BRIGHT ROOM O7PLATEREVERB 12ECHO 0 02 WARM LOUNGE 08 CATHEDRAL 13 DELAY 1 FAST 2 03 SMALL STAGE 09 CHORUS 14 DELAY 2 MED 04 WARM THEATER 10 CHORUS REV 15 DELAY SLOW 4 05 WARM HALL 11 DOUBLER 16 DELAY 7 06 CONCERT HALL 10 U 20 30 L R 15 U U U U U OL PRESETS MUTE 15 15 oo Fis 15 o 20 MAIN LEVEL 2 3 4 PHONES MON U U U U U 10 1 10 10 10 10 LEVEL LEVEL LEVEL LEVEL LEVEL Owner s Manual 21 4 2 2 Appendix C Table of Effects Presets ase oon Bright Room This room has a bright tone with lots of scattered Useful on vocals that require a brighter reverb to reflections to simulate harder more
5. more me and less Brian you may turn up their channel s aux mon control and turn down Brian s The overall output level may be adjusted with the aux master mon knob and mon 1 may have its EQ tweaked with the graphic EQ if the main mix mon switch is engaged Alternatively you could add an external graphic EQ between this output and your powered monitors This will allow you to adjust the EQ and minimize the chance of feedback from nearby microphones The monitor output is not affected by the main mix fader or the channel faders This allows you to set up the monitor mix and level just right and not have it change when a channel fader or the main mix fader is adjusted This is known as pre fader 17 FX Send This 1 4 TRS line level output may be used to feed an external effects processor FX such as a nice sound effect or delay unit The output from this jack is an exact copy of what goes into the internal FX processor being the careful mix of all channels whose aux control is turned to more than minimum The processed output of the internal FX does not come out of this output but is added internally to the main mix or monitor mix The output is post fader so any changes to the channel faders will also affect the level going to the external processor The processed output from the effects processor 1s usually returned to a spare channel or the tape input and you may carefully mix the original unp
6. Mon and Main Mix 32 Phones As one might expect this knob controls the level of the headphones Make sure that this knob is fully off counter clockwise when adding a new source WARNING The headphone amp is loud and can cause permanent hearing damage Even intermediate levels may be painfully loud with some headphones BE CAREFUL Always turn the phones level control all the way down before connecting headphones or doing anything new that may affect the headphone volume Then turn it up slowly as you listen carefully 33 This knob provides overall control over aux mon levels just before they are delivered to the aux mon send output Auxiliary is usually the control you turn up when the lead singer glares at you points at his stage monitor and sticks his thumb up in the air It would follow that if the singer stuck his thumb down you d turn the knob down but that never happens 34 Tape Level This knob controls the input level of signals entering the tape inputs O 5 _ 2 9 TAPE LEVEL _ 5 _ _ lt U J C 10 Y LEVEL LEVEL 35 Main Mix This knob allows you to adjust the levels of the main mix signals sent to the main outputs This gives you the ultimate feeling of power and control over the sound levels sent to your audience Adjust this control carefully with your good eye on the
7. operate normally or has been dropped This apparatus shall not be exposed dripping or splashing and no object filled with liquids such as vases or beer glasses shall be placed on the apparatus Do not overload wall outlets and extension cords as this can result in a risk of fire or electric shock The MAINS plug or an appliance coupler is used as the disconnect device so the disconnect device shall remain readily operable h CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the prescence of uninsulated dangerous voltage within the enclosure that may be of significant ma gnitude to constitute a risk of electric shock to persons operating and maintaining servicing instructions in the The exclamation point within an equilateral triangle is intended to alert user of of important literature accompanying the appliance WARNING To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally associated with EEE At the same time your coop
8. to the channel 3 4 line level inputs An iPod docking station is attached to the stereo tape inputs Thump 15 powered speakers are connected to the left and right main output Two of these speakers also set up as stage monitors and connect to the mixer s monitor output The aux mon controls of each channel allow you to create a stage monitor mix as desired while headphones are used for monitoring Typical Live Sound System Owner s Manual a 4 2 a This diagram shows a Flying plugged a modeling device which is then connected to the channel 1 line input with the line hi z switch disengaged The modeling device is at line level not instrument A microphone is connected to the channel 2 XLR input for vocals and a drum machine is attached to the channel 3 4 line level inputs MR8mk3 powered reference monitors are connected to the left and right main output Headphones connected to the mon send via a headphone amp are available for the talent to utilize when tracking A laptop connects to the stereo tape inputs and outputs fo record the 2 channel main mix to the DAW as well as play back two channels from the DAW Typical Recording System ProFX4v2 ProFX4v2 Rear Panel Features PROF X4 4 CHANNEL PROFESSIONAL EFFECTS MIXER 1 Power Connection Push the 2 pin female side of the power adaptor securely into the connector on th
9. Sm me nd bt Se pe et a 0 4 lt ueg z UON 0 1 jeus 0 you T a ssed g 039 OF ssedAg 0819 S s uoyd 2 ede 4 uen lt 1 4 WINS 7 AV XACAd OZ 9 09 0 IN ZH 00 a _ an 1 cr 195 19497 ouo lt e ZH ules 2 001 gpoe 02 9 09 0201 fouro _ 0 OL y ABV 29019 ProFX4v2 ProFX4v2 Track Sheet O MIC em MIC PRE MIC em MIC PRE 4 UNBAL UNBAL SIDUM PROF X lt 4 CHANNEL PROFESSIONAL EFFECTS MIXER FX SEND UNBALANCED L 1 UNBAL BA LINE IN UNBAL 00
10. This icon marks information that is critically important or unique to the ProFX4v2 For your own good read and remember them This icon leads you to in depth explanations 4 5 of features and practical tips They usually have some valuable nuggets of information VERY IMPORTANT This icon draws attention to certain features and functions relating to the usage of the ProFX4v2 Things to Remember e Never listen to loud music for prolonged periods Please see the Safety Instructions on page 2 for information on hearing protection e Save the shipping box and packing materials You may need them someday Besides the cats will love playing in them and Jumping out at you unexpectedly Remember to pretend like you are surprised e Save your sales receipt in a safe place ProFX4v2 Getting Started The following steps will help you set up the ProFX4v2 mixer quickly 1 Turn down all knobs except the channel EQ 2 set all channel EQ knobs and the graphic EQ sliders at their center detent 3 Set all buttons to the out position 4 Plug signal sources into the mixer such as e Microphones plugged into the mic inputs Engage phantom power if your mics need it Check the mic s user manual to be sure Line level sources such as keyboards drum machines or CD players plugged into the line level inputs 5 Connect cords from the main outs to your powered speakers or amplifier 6 Push the 2 pin fema
11. U at 12 00 This 20 dB of attenuation can be very handy when you are inserting a hot signal or when you want to add EQ gain or both Without this virtual pad there is more chance of channel clipping U For stereo channels no mic input the gain control just affects the line level inputs with 20 dB of gain and 20 dB of attenuation 20dB 204 GAIN Owner s Manual 191 4 2 8 Level Set LED These LEDs are used with the gain control to set the channel preamplifier gain just right for each source If one or more channels are distorting check the level set LEDs If they are on continuously turn down the gain 9 Low Cut Switch Both mono channels have a low cut switch often referred to as a high pass filter that cuts bass frequencies below 100 Hz at a rate of 18 dB per octave We recommend that you use low cut on every microphone application except kick drum bass guitar or bassy synth patches These aside there isn t much down there that you want to hear and filtering it out makes the low stuff you do want much more crisp and tasty Not only that but low cut can help reduce the possibility of feedback in live situations and it helps to conserve amplifier power is that it actually adds flexibility during live performances With the addition of low cut you can safely use low equalization on vocals Many times bass shelving EQ can really benefit voices Trouble is addin
12. filter and 48V phantom power on all mic channels Stereo RCA tape 1 0 with input level control Headphone output with separate level control Rugged Roadworthy Design Legendary Built Like A Tank design Solid steel chassis protects your investment Tough ABS side protection Like us Follow us Watch our dang videos Part SW1115 Rev A 04 15 2015 LOUD Technologies Inc All Rights Reserved Owner s Manual 3 4 2 Introduction The 4 2 4 channel effects mixer provides a comprehensive live sound solution for singer songwriters and other low channel count applications Delivering unmatched sound quality the ProFX4v2 features all new Vita preamps which are virtually noiseless and designed specifically for the highly dynamic world of live sound ProF X4v2 also includes the immensely powerful new effects engine harnessing floating point DSP to deliver 16 rich effects that elevate any performance A no compromise live sound toolkit includes a room shaping GEQ and flexible 1 0 for professional applications With a rugged steel chassis and unmatched sonic performance ProFX4v2 is truly the of your live mix How to Use This Manual After this introduction a getting started guide will help you get things set up fast The hookup diagrams show some typical setups while the remaining sections provide details of the ProFX4v2 mixer
13. lots of early reflections and no pre delay Cathedral This reverb emulates the extremely long tails dense Gives amazing depth to choirs wind instruments diffusion and long pre delays and reflections that would organs and soft acoustic guitars be found in a very large stone walled house of worship Chorus This preset provides a soft ethereal sweeping effect Perfect for enhancement of electric and acoustic that is useful for thickening and for making a guitar and bass or to add a dramatic effect to particular sound pop out of the mix vocals particularly group harmonies and choirs Chorus Reverb This preset perfectly combines the chorus effect above This effect thickens the sound with chorus while with a large roomy reverb aoa warmth and spaciousness thanks to the smooth reverb Doubler This effect simulates the sound of a vocal or instrument Provides a vibe that is similar to chorus without being recorded twice double tracked on multi track the subtle swirl recorder Echo A single repeat echo not as fast as the Doubler Also known as Slap Back Echo use it to make a This effect provides a single relatively rapid delay vocal or guitar stand out in the mix without extra of the original signal with the added warmth that volume vintage tape based echo units provided DLY 1 Fast These three presets delay with delay times These work best with full up beat music like rock DLY 2 Med of fast medium and slow whe
14. through the same wires that carry audio Semi pro condenser mics often have batteries to accomplish the same thing Phantom owes its name to an ability to be unseen by dynamic mics Shure SM57 SM68 for instance which don t need external power and aren t affected by it anyway Press this switch in if your microphone requires phantom power Always check the position of this switch before connecting microphones The accompanying LED will illuminate red to indicate that phantom power 15 active This is a global switch that affects all mic channels XLR jacks at once Never plug single ended unbalanced microphones or ribbon mics into the mic input jacks if phantom power is on Do not plug instrument outputs into the mic XLR input jacks with phantom power on unless you know for certain it is safe to do so Be sure the main mix fader is turned down when connecting microphones to the mic inputs when phantom power is turned on to prevent pops from getting through to the speakers be gt gt 23 Stereo Graphic EQ This 5 band graphic equalizer adjusts the main mix output It affects the line level outputs but not the headphones or tape outputs This EQ may be used for a monitor mix instead of the main mix if the main mix mon 1 switch is engaged It may also be quickly bypassed using the EQ in bypass switch SIDUM Each slider allows you to adjust the level of its frequency band with
15. up to 15 dB of boost or cut and no change in level at the center 0 dB position The frequency bands are 80 Hz 250 Hz 800 Hz 2 5 kHz and 8 kHz enuey The EQ section comes before the main mix level and meters As with the channel EQ just take it easy There is a large amount of adjustment and if you are not careful you can upset the delicate balance of nature Although it may not seem cool to actually turn down controls with EQ it is often the best option Turn down the offending frequency range rather than boosting the desired range You may use it to reduce the level of some frequency bands where feedback occurs 24 Main Mix Mon Switch This switch allows you to choose if the stereo graphic EQ is used for the stereo left and right main mix or if it is used for monitors For example there may be times when the graphic EQ may be used wisely in the monitor mix to reduce feedback in the monitors from nearby microphones 25 EQ In Bypass Switch This switch allows you to quickly engage or disengage the stereo graphic EQ This may be used for quick checks of your EQ settings or to shorten the signal path if you do not need to use the EQ 26 Main Meters These peak meters are made up of two columns of twelve LEDs with three colors to indicate different ranges of signal level traffic light style They range from 30 at the bottom to 0 in the middle to 20 OL at the top When 0 dBu 0 775 V is at the main le
16. 5 U 15 10 LEVEL 1 mE 2 10 10 LEVEL LEVEL 13 Aux FX These knobs tap a portion of each channel s signal to set up a FX mix feeding the internal FX processor and to feed external processors via the FX send The controls are off when fully turned down deliver unity gain at the center detent and can provide up to 15 dB of gain turned fully up The channel level and other channel controls affect the FX output but the pan switch does not The aux FX is post fader The FX signal reaching the internal FX processor and the FX send output jack is the sum mix of all the channels whose aux FX control is set to more than minimum FX are added to the main mix by increasing the level of the FX to main knob Internal FX may also be added to the monitor mix by increasing the level of the FX to mon knob 14 Stereo Pan Switch Ch 1 2 With this switch out each mono channel feeds both the left and right sides of the main mix equally For example O e Playing a mono source If you talk into a microphone connected to input 1 your sweet tones will be heard in both the left and right loudspeakers 4 SIDUM e Overdubbing a mono source if you are monitoring directly through the headphones you can hear the overdub signal in both ears while you are playing enuey With this switch pressed in channel 1 will play only in the left side of the main mix and channel 2 will play
17. an only with a dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by the manufacturer 12 Use only with cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from PORTABLE CART WARNING unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed 10 rain or moisture does not
18. aracteristics Equivalent Input Noise EIN 150 Q Source Impedance 20 Hz to 20 kHz Mic in to FX send max gain Residual Output Noise lt 30 kHz All outputs master levels off all channel levels off 128 dBu 95 dBu All outputs master levels unity one channel level unity Frequency Response 85 Mic input to any output gain at unity 0 dB 1 dB Distortion THD N 22 Hz to 80 kHz bandwidth Mic in to Main Out 4 dBu output Attenuation and Crosstalk Adjacent Inputs 1 kHz Inputs to Outputs 1 kHz Fader Off 1 kHz Common Mode Rejection Ratio CMRR Mic in to Main out max gain 1 kHz Maximum Levels All inputs 1 4 Main Mix All other outputs Impedances Mic in All other inputs Tape out Phones out All other outputs 20 Hz to 40 kHz lt 0 01 80 dB 80 dB 80 dB 70 dB 22 dBu 22 dBu 22 dBu 3 8 kQ gt 20 1 kQ 25 Q 120 Q Unbalanced 240 Balanced Equalization Low 15 dB 80 Hz High 15 dB 12 kHz Low Cut Filter 18 dB octave 100 Hz Maximum Voltage Gain EQ Flat Mic Input Channel to Insert Output 50 dB Tape Output 60 dB 1 4 Main Output 70 dB Monitor Send 76 dB FX Send 75 dB Mono Line Input Channel to Tape Output 40 dB Monitor Send 56 dB FX Send 55 dB Stereo Line Input Channel to Tape Output 30 dB Monitor Send 46 dB FX Send 45 dB Tape Input to Main Output 30 dB USB Input to Main Output 30 dB Digital Effects Mono Input S
19. ddition to accepting balanced mic or line level signals using XLR connector ProFX4v2 mixers may also accept 1 4 line level signals driven by balanced or unbalanced sources These 1 4 jacks share circuitry but not phantom power with the mic preamps To connect balanced lines to these inputs use a 1 4 Tip Ring Sleeve TRS plug TRS stands for Tip Ring Sleeve the three connection points available on a stereo 1 4 or balanced phone jack or plug TRS jacks and plugs are used for balanced signals and stereo headphones and are wired as follows according to standards specified by the AES Audio Engineering Society 1 4 TRS Balanced Mono Wiring Sleeve Shield ground Tip Positive or hot Ring Negative or cold RING SLEEVE N SLEEVE RING TIP SLEEVE To connect an unbalanced line to this input use a mono TS phone plug or instrument cable They are wired as follows according to standards specified by the AES Audio Engineering Society 1 4 TS Unbalanced Mono Wiring Sleeve Shield ground Tip Positive or hot SLEEVE SLEEVE TIP gt SLEEVE 4 instrument level signals if the hi z switch is engaged This allows you to connect guitars The channel 1 line level input may also accept directly into channel 1 without the need for a DI box 6 Stereo Line Inputs O The stereo line inputs are designed for 1 4 TRS balanced or 1 4 TS unbalanced signals They
20. does not exceed the Class A Class B whichever is applicable limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications ATTENTION Le pr sent appareil num rique n met pas de bruits 20 radio lectriques d passant las limites applicables aux appareils num riques de class A de class selon le cas prescrites dans le r glement sur le brouillage radio lectrique dict par les ministere des communications du Canada Exposure 10 extremely high noise levels may cause permanent hearing loss Individuals vary considerably in susceptibility to noise induced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a period of time The U S Government s Occupational Safety and Health Administration OSHA has specified the permissible noise level exposures shown in the following chart According to OSHA any exposure in excess of these permissible limits could result in some hearing loss To ensure against potentially dangerous exposure to high sound pressure levels it is recommended that all persons exposed to equipment capable of producing high sound pressure levels use hearing protectors while the equipment is in operation Ear plugs or protectors in the ear canals or over the ears must be worn when operating the equipment in order prevent permanent hearing loss if exposure is in excess of the li
21. e rear of the mixer Plug the other end into an AC outlet properly configured with the correct voltage as indicated on the AC adaptor Only use AC adapter that came with your mixer or a factory authorized power supply VERY IMPORTANT O E RISK OF FIRE OR ELECTRIC STEP mI R AVERTISSEME DUIRE LES RISQUES D INCENDIE VRIR EMENT ro Ne TS EXPOSER CET APPAREIL LA PLUIE OU NE PAS RETIRER LE COUVERCLE SERIAL NUMBER 2 Power Switch Press the top of this rocker switch inwards to turn on the mixer The front panel power LED will glow with happiness or at least it will if you have the mixer s AC adaptor plugged into a suitable live AC mains supply Press the bottom of this switch to put the mixer into standby mode It will not function but the external power supply is still live To remove power either turn off the mains supply or unplug the AC adaptor from the mixer and the mains supply 5 a general guide you should turn on 4 mixer first before any external power amplifiers or powered speakers and turn it off last This will reduce the possibility of any turn on or turn off thumps in your speakers Owner s Manual 4 2 ProFX4v2 Front Panel Features Connections and Channel Strip The vertical channel strips look very similar and have only a few differences between them Each channel works independently and jus
22. eration in the correct disposal of this product will contribute to the effective usage of natural resources For more information about where you can drop off your waste 18 NOTE This equipment has been tested and found to comply with the limits 19 for Class digital device pursuant part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help CAUTION Changes or modifications to this device not expressly approved by LOUD Technologies Inc could void the user s authority to operate the equipment under FCC rules This apparatus
23. ft and right TRS outputs it shows as 0 dB on the meters You can get a good mix with peaks flashing anywhere between 20 and 10 dB on the meters Most amplifiers clip at about 10 dBu and some recorders aren t so forgiving either For best real world results try to keep your peaks between 0 and 6 Remember audio meters are just tools to help assure you that your levels are in the ballpark You don t have to stare at them unless you want to Owner s Manual 4 2 Internal 27 Preset Selector Rotate this endless control to select one of the 16 preset effects When the rotation stops that preset will be loaded and become operational The current preset number is shown in the display The different presets are shown in the table below and on the mixer s silkscreen below the stereo graphic EQ Further details of each preset are explained in Appendix C on page 22 Only one preset may be selected at a time 9 Chorus ______ 6 Concert _ 8 Cathedral __ 28 Preset Display This display shows the number of the currently selected effects preset as shown in the list of presets above Rotate the preset selector knob right or left to change a preset A new preset will be loaded approximately 1 4 of a second after you stop turning the knob and it will be stored into the FX memory after about one second When the mixer is turned on the FX section will load up the last used pre
24. g low EQ also boosts stage rumble mic handling clunks and breath pops from way down low Applying low cut removes all those problems so you can add low EQ without blowing the woofers 1 5 Another way to consider the low cut s function ProFX4v2 2 Band Equalization The 4 has 2 band equalization at carefully selected points low shelving at 80 Hz and hi shelving at 12 kHz Shelving means that the circuitry boosts or cuts all frequencies past the specified frequency For example rotating the low EQ knob 15 dB to the right boosts bass starting at 80 Hz and continuing down to the lowest note you never heard 5 With too much EQ you really upset things We ve designed a lot of boost and cut into each equalizer circuit because we know that everyone will occasionally need that But if you max the EQ on every channel you ll get mix mush Equalize subtly and use the left sides of the knobs cut as well as the right boost If you find yourself repeatedly using a lot of boost or cut consider altering the sound source such as placing a mic differently trying a different kind of mic a different vocalist changing the strings or gargling 10 Hi EQ The hi EQ provides up to 15 dB of boost cut above j 12 kHz and it is also flat boost or cut at the detent Use it to add sizzle 40
25. in the right side For example Recording a stereo source If you have a stereo microphone connected to the mic inputs or if you are playing a stereo source into the line inputs each side of the source can be recorded discretely onto a recorder connected to the main or tape outputs The pan switch does not affect channels 3 or 4 or the tape inputs 15 Level This is the last control in channel s signal path and it adjusts the level of each channel onto the main mix The U mark indicates unity gain meaning no increase or decrease of signal level All the way up provides an additional 10 dB should you need to boost a section of a song If you find that the overall level is too quiet or too loud with the level near unity check that the gain control is set correctly Owner s Manual i 4 2 Additional Inputs and Outputs 16 Mon Send Stage monitors allow the talented musicians in the band to hear themselves clearly on stage This can be a good thing The monitor mix may be carefully adjusted in level using the aux mon controls These tap a portion of each channel s signal to provide a 1 4 TRS output here to feed external stage monitors These could either be passive stage monitors powered by an external amplifier or powered stage monitors with their own built in amplifier The monitor signal is the sum mix of all the channels whose aux mon control is set to more than minimum If they want
26. le side of the power adaptor securely into the connector on the rear of the 4 Plug the other end into an AC outlet properly configured with the correct voltage as indicated on the AC adaptor Turn on the mixer 7 Ifyou have powered speakers turn them Otherwise hook up your passive speakers to your amp with speaker cables and turn it on Adjust your powered speaker or amplifier level controls to the manufacturer s recommended settings 8 sure that the volume of the input is the same as it would be during normal use or you may have to readjust the gain in the middle of a set You can listen with headphones if you carefully turn up the channel level knob and headphones level a little 9 Adjust the gain knobs as desired 10 To get sound out of the speakers and into a waiting world turn up that channel s level knob to the U unity gain position and slowly bring up the main mix knob to a comfortable listening level 11 Repeat steps 8 to 10 the other channels Hookup Diagrams 0 lt 5 J PHANTOM POWER OdB 0dBu 12kHz 12kHz 3 4 SHONES This diagram shows an acoustic guitar plugged into the channel 1 line input with the line hi z switch engaged A microphone is connected to the channel 2 XLR input for vocals and a keyboard is attached
27. line level outputs such as monitor out just in case one of the external pieces has a problem e Make sure that you are not overdriving the amplifiers Check the loudspeaker average load impedance 15 not less than the minimum the amplifier can handle Check the speaker wiring ProFX4v2 Noise e Turn the channel gains down one by one If the sound disappears it s either that channel or whatever is plugged into it so unplug whatever that is If the noise disappears it s from your whatever Power e The power LED should come on if the mixer is connected to a suitable live AC mains outlet and the power switch is on Check to make sure that the AC adaptor is securely plugged in Repair For warranty service refer to the warranty information on page 28 Non warranty service is available at a factory authorized service center To locate your nearest service center visit www 720trees com click Support and select Locate a Service Center Service for 4 mixers living outside the United States can be obtained through local dealers or distributors If you do not have access to our website you can call our Tech Support department at 1 800 898 3211 Monday Friday during normal business hours Pacific Time to explain the problem Tech Support will tell you where the nearest factory authorized service center 1s located in your area Appendix Technical Information Specifications Noise Ch
28. may accept any line level instrument effects device CD player etc SIDUM If you are connecting a mono source use the left mono input and the mono signals will appear on both sides of the main mix 0 like Unity gain ProFX4v2 mixers have U symbol on almost every level control It stands for unity gain meaning no change in signal level The labels on the controls are measured in decibels dB so you ll know what you re doing level wise if you choose to change a control s settings enuey 7 Gain If you haven t already please read the Getting Started section on page 4 Setting the gain correctly will ensure that the preamplifier s gain is not too high where distortion could occur and not too low where the quieter exquisitely delicate passages might be lost in background noise The gain knobs adjust the input sensitivity of the mic and line inputs This allows signals from the outside world to be adjusted to run through each channel at optimal internal operating levels 20dB 30dB GAIN For mono channels mic input with a mono line input the gain knob adjusts the input sensitivity of the mic and line inputs If the signal originates through the mic XLR jack there will be 0 dB of gain with the knob fully down ramping to 50 dB of gain fully up Through the 1 4 mono line inputs there is 20 dB of attenuation fully down and 30 dB of gain fully up with unity gain
29. meters to check against overloading and your good ear to the levels to make sure your audience if any is happy The main mix signals are off with the knob fully counter clockwise the U marking is unity gain and fully clockwise provides 10 dB of additional gain This additional gain will typically never be needed but once again it s nice to know that it s there The knob is stereo as it affects both the left and right of the main mix equally This is the ideal control to slowly bring down at the end of a song or quickly in the middle of a song if the need ever arises This control does not affect the mon send send or tape outputs Owner s Manual 15 4 2 Appendix A Service Information If you think your mixer has a problem please check out the following troubleshooting tips and do your best to confirm the problem Visit the Support section of our website www 720trees com where you will find lots of useful information such as FAQs documentation and any updated PC drivers etc You may find the answer to the problem without having to send your mixer away Troubleshooting Bad Channel 15 channel gain set correctly 15 channel level up enough Try the same source signal in another channel set up exactly like the suspect channel 15 phantom power required for your microphone Bad Output e 15 the main level turned up e Unplug anything from the other
30. mits set forth here Sound Level dBA Slow Response 190 Duo in small club 6 __ 2 gt _ _ ______ Duration er day in ours Typical Example ise o __ _____________ Laite on liitett v suojakoskettimilla varustettuun pistorasiaan Apparatet m tilkoples jordet stikkontakt Apparaten skall anslutas till jordat uttag Correct disposal of this product This symbol indicates that this product should not be disposed of with your household waste according to the WEEE directive 2012 19 EU and your national law This product should be handed over to an authorized collection site for recycling waste electrical and electronic equipment EEE Improper handling of this type a equipment for recycling please contact your local city office waste authority or your household waste disposal service ProFX4v2 Contents Important Safety Instructions 2 PPE 3 3 4 How To Use This Manual csccsscsscsccsccsccsccsccecees 4 Things Remembet sccccscsssssssscsssssesecesssseces 4 Getting 4 Hookup Ditgrais sscccccscsssssesscessssececesessececers 5 ProFX4v2 Rear Panel Features cccccsscssssessecseees 7 1 Power Connection sccccsccsssscesscsssccsscscenees 7 2 Power SWitch cccccsscsscscsccsccsccsecsccscceccsceess 7 ProFX4v2 Front Panel Features cccc
31. re the delay needs to cut through the mix DLY 3 Slow Pan Delay This fast delay bounces signal back n forth from Left to This works best in a stereo mix Right and back again Overall decay time is shorter than DLY 1 3 ProFX4v2 ProFX4v2 Series Limited Warranty Please keep your sales receipt in a safe place This Limited Product Warranty Product Warranty is provided by LOUD Technologies Inc LOUD and is applicable to products purchased in the United States or Canada through a LOUD authorized reseller or dealer The Product Warranty will not extend to anyone other than the original purchaser of the product hereinafter Customer you or your For products purchased outside the U S or Canada please visit www 720trees com warranty to find contact information for your local distributor and information on any warranty coverage provided by the distributor in your local market LOUD warrants to Customer that the product will be free from defects in materials and workmanship under normal use during the Warranty Period If the product fails to conform to the warranty then LOUD or its authorized service representative will at its option either repair or replace any such nonconforming product provided that Customer gives notice of the noncompliance within the Warranty Period to the Company at www 720trees com support or by calling LOUD technical support at 1 800 898 3211 toll free in
32. reflective surfaces cut through the mix or for giving acoustic instruments livelier vibe Warm Lounge This preset features a medium sized room sound with Useful for vocals on songs that require a larger just enough enhancement of the lower mids to produce a more wet sound or for giving dimension to warm tone bright horns without adding harshness Small Stage This preset simulates the sound of a small concert stage Useful for vocals or guitars in fast ee with a medium reverb time and reverberant space high energy songs that call for a live sounding reverberation Warm Theater This reverb has a warm bodied tone and medium long Perfect for vocals drums acoustic and electric reverb time to simulate the live acoustics of a theater guitars keyboards and more space Warm Hall This reverb simulates the sound of a spacious yet cozy Perfect for adding natural concert hall ambience heavily draped and carpeted concert hall with an to close mic ed orchestral instruments especially warm tone Concert Hall This hall reverb is characterized by its large spacious Adds life to acoustic instruments and vocals from sound long pre delay and vibrant tone solos to full on symphonies and choirs Plate Reverb This preset emulates vintage mechanical reverberation Perfect for thickening percussive instruments such that was generated with a metal plate Its sound is as a snare drum or tight vocal arrangements characterized by
33. rocessed channel dry and the processed channel wet Altering the original channel fader increases both the wet and dry signals and keeps them at the same delicate ratio For example the reverb remains at the same level relative to the original ProFX4v2 4 CHANNEL PROFESSIONAL EFFECTS MIXER PROF MON SEND FX SEND UNBALANCED O MAIN OUT IN OUT PHONES 18 Main Out L R The 1 4 TRS output connectors provide balanced or unbalanced line level signals Connect these to the next device in the signal chain like an external processor compressor limiter or directly to the inputs of the main amplifier or powered speakers 19 Tape Inputs Outputs The stereo unbalanced RCA inputs allow you to play a CD player MP3 player or other line level source The tape in jacks accept an unbalanced signal using standard hi fi hookup cables The stereo unbalanced RCA outputs allow you to record the main stereo mix onto a hard disk recorder or automatic CD burner for example This lets you make a recording for posterity archive legal purposes whenever the band gets back together again The tape output is the stereo main mix and it 15 not affected by the main mix knob The output could also be used as an extra set of main outputs for feeding another zone SLEEVE TIP SLEEVE TIP 20 Phones This 1 4 TRS connector supplies the output to stereo headphones It is
34. seees 13 14 27 Preset Selector ccscccccsscssssecsecsecseces 14 28 Preset 14 29 Int FX Mute Switch and 14 30 Internal FX 14 Jk LED irvina 14 O Phones and Main 15 5 32 15 33 Aux Master cccccccccoccssceseeces 15 Taje 15 35 Main 15 lt Appendix Service 16 Appendix Technical 17 ProFX4v2 19 ProFX4v2 Block 20 ProFX4v2 Track 1 5 21 Appendix Table of Effects 1 22 Limited Warranty 23 Features Unmatched Sound Quality Two extremely low noise Vita mic preamps designed to add life to any input All new ReadyFX effects engine with 16 great sounding effects like reverbs delays and choruses No Compromise Live Mixing Toolkit e 5 band graphic EQ for tuning mains or monitors Aux output perfect for driving a monitor mix e 2 band EQ 80 Hz and 12 kHz on all channels Directly connect guitar bass and other instruments via Hi Z input 100Hz low cut
35. set 29 Int FX Mute Switch and LED When engaged the internal effects processor is muted and its output will not appear on the main mix or monitor mix The adjacent mute LED will illuminate as a reminder that the effects are muted When power is first applied this LED will illuminate and the FX will be muted for about 10 seconds while the little FX gerbils inside settle down If this switch is not engaged then the internal effects are set free and may be added as required to the main mix and or monitor mix ProFX4v2 30 Internal FX These knobs route the effects output to the mon and mains independently Use the mon control to provide effects to monitors Slowly add effects to the monitors by turning the mon knob clockwise Use the aux master to monitor the amount sent The FX output to the mains will be heard directly from the PA READY lt lt EFFECTS ENGINE 01 BRIGHT ROOM 07 REVERB 12 02 WARM LOUNGE 08 CATHEDRAL 13 DELAY 1 FAST 03 SMALL STAGE 09 CHORUS 14 DELAY 2 MED 04 WARM THEATER 10 CHORUS REV 15 DELAY SLOW 05 WARM HALL 11 DOUBLER 16 PAN DELAY 06 CONCERT HALL 31 OL LED This LED illuminates red if the effects processor is overloaded with too strong of a signal Turn down the FX send master level and check the channel sends if this lights regularly The signals going into the processor are affected by the channel gain and channel levels as well as the channel FX sends Phones
36. sscsssssssecseees 8 Connections and Channel 8 MUNG INPUTS 8 Phantom Powe cccccsccsscsccsscsccsecsccecceees 8 4 Line Hi Z Switch cccccscscssscscoesees 8 5 Line Inputs Hi Z Input Channel 1 Only 9 6 Stereo Line 9 U like Unity 9 SOU PRERA AE 9 8 Level Set LED cccccsscsssscsccsecsecsecseees 10 9 Low Cut Switclh cccccccsssssessecsecsecseees 10 2 Band 10 EO 10 e 10 ON 11 AE E 11 14 Stereo Pan Switch Ch 1 2 11 E E E E EE 11 Additional Inputs and 1 12 16 Send sosososocosoososososoeoosososocsosos 12 17 FX 12 18 Out L R c cccccccscccscccscocscees 12 19 Inputs 1 12 12 Stereo Graphic and Main 13 POWER LED 13 22 48V Phantom Power 5 13 23 Stereo Graphic 13 24 Main Mon 13 25 EQ In Bypass 13 26 Meters cccscccsccsssssssccsec
37. t carry audio Semi pro condenser mics often have batteries to accomplish the same thing Phantom owes its name to an ability to be unseen by dynamic mics Shure 5 57 9 58 for instance which don t need external power and aren t affected by it anyway The ProFX4v2 mixer s phantom power is globally controlled by the phantom power switch meaning that phantom power for both mic inputs is turned on and off together Never plug single ended unbalanced microphones or ribbon microphones into the mic input jacks if phantom power is on Do not plug instrument outputs into the mic input jacks with phantom power on unless you know for certain it is Safe to do so VERY IMPORTANT MIC VITA MIC PRE LINE IN 2 MIC em MIC PRE HI Z LINE IN 4 LINE HI Z IN 1 4 Line Hi Z Switch To connect a guitar directly to the mixer without using a DI Box press this switch in first then connect the output from the guitar to channel 15 1 4 TRS input The input impedance is optimized for direct connection and high frequency fidelity is assured In the out position channel 1 s 1 4 TRS input becomes a line input just like the other mono line inputs To use guitars or other instruments on other channels you will need to use an external DI box first Without the DI box or if this switch is not pressed in guitars may sound dull and muddy 5 Line Inputs Hi Z Input Channel 1 Only In a
38. t controls the signals plugged into the inputs directly above them 3 Mic Inputs ProFX4v2 mixers use 3 pin female XLR connectors on all microphone inputs with pin wired to the grounded earthed shield pin 2 wired to the high hot or positive polarity side of the audio signal and pin 3 wired to the low cold or negative polarity side of the signal These female XLR connectors accept balanced mics or line level inputs from almost any type of source The Vita mic preamps feature higher fidelity and headroom rivaling any standalone mic preamp on the market today We use phantom powered balanced inputs just like the big mega consoles for exactly the same reason This kind of circuit is excellent at rejecting hum and noise Professional ribbon dynamic and condenser mics all sound excellent through these inputs The mic line inputs will handle any kind of level you can toss at them without overloading Microphone level signals are passed through the mixer s splendid microphone preamplifiers to become line level signals They are wired as follows according to standards specified by the AES Audio Engineering Society XLR Balanced Wiring Pin 1 Shield ground Pin 2 Positive or hot Pin 3 Negative or cold ProFX4v2 Phantom Power Most modern professional condenser mics require 48V phantom power which lets the mixer send low current DC voltage to the mic s electronics through the same wires tha
39. tereo Output Number of Presets 16 Meters Main L R Mix Two columns of 12 segments each OL 20 dBu 15 10 6 3 0 0 dBu 2 4 7 10 20 30 Graphic EQ Frequency Centers 80 250 800 2 5k 8k Gain 15 dB Assignable to Main or Monitor bypassable Owner s Manual O SIDUM enuey 4 2 Specifications continued Phantom Power 48 VDC to all Mic channels simultaneously Power Requirements Class I Hard Wired Wall Wart Physical Dimensions and Weight Height Width Depth Weight Options Bag 12VDC 1 5 2 9 in 73 mm 8 7 in 220 mm 10 1 in 256 mm 3 2 lb 1 4 kg P N 2036809 29 LOUD Technologies Inc is always striving to improve our products by incorporating new and improved materials components and manufacturing methods Therefore we reserve the right to change these specifications at any time without notice The Running Man is a registered trademark of LOUD Technologies Inc All other brand names mentioned are trademarks or registered trademarks of their respective holders and are hereby acknowl edged Please check our website for any updates to this manual www 7 20trees com 2015 LOUD Technologies Inc All Rights Reserved ProFX4v2 roFX4v2 Dimensions PROF 4 CHANNEL PROFESSIONAL EFFECTS MIXER MIC MIC em MIC PRE eu MIC PRE LINE HI Z IN 1 LINE IN 2 LINE IN 4 20dB 30dB GAIN LOW CUT 100Hz
40. the U S and Canada during normal business hours Pacific Time excluding weekends or LOUD holidays Please retain the original dated sales receipt as evidence of the date of purchase You will need it to obtain any warranty service For full terms and conditions as well as the specific duration of the Warranty for this product please visit www 20trees com warranty The Product Warranty together with your invoice or receipt and the terms and conditions located at www 720trees com warranty constitutes the entire agreement and supersedes any and all prior agreements between LOUD and Customer related to the subject matter hereof No amendment modification or waiver of any of the provisions of this Product Warranty will be valid unless set forth in a written instrument signed by the party to be bound thereby Need help with your mixer Visit www 720trees com and click Support to find FAQs manuals addendums and other useful information Email us at techmail loudtechinc com Telephone 1 800 898 3211 to speak with one of our splendid technical support chaps Monday through Friday normal business hours Pacific Time Owner s Manual O 4 SIDUM enuey 6220 Wood Red Road Woodinville 98072 USA Phone 425 487 4333 Toll free 800 898 32 1 Fax 425 487 4337 www 2O0trees com
41. the same signal that is routed to the main and tape outputs The phones volume 15 controlled with the phones knob The phones output follows standard conventions Tip Left channel Ring Right channel Sleeve Common ground WARNING The headphone amp is loud and can cause permanent hearing damage Even intermediate levels may be painfully loud with some headphones BE CAREFUL Always turn the phones level control all the way down before connecting headphones or doing anything new that may affect the headphone volume Then turn it up slowly as you listen carefully 5 gt Stereo Graphic EQ and Main Meters 21 Power LED This LED will illuminate green when the mixer 15 turned on as a reminder of how on it really is If it is not on then it is off and the mixer becomes a rather nice weight for keeping your morning newspaper from blowing away in the wind If it does not turn on make sure the AC adaptor is correctly inserted at both ends the local AC mains supply is active and the power switch 1 on STEREO GRAPHIC 15 10 5 0 POWER 5 10 MAIN METERS 15 OdB 0dBu 250 800 2 5K Ol 80 8K MAIN EQIN 15 BYPASS 10 22 48V Phantom Power Switch Most modern professional condenser mics require 48V phantom power which lets the mixer send low current DC voltage to the mic s electronics
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