Operating Manual
Contents
1. SALON M T XAV 13431 YALSVW T YILIW LHOTY OL SS AR 90Ud LHOTY WOY LNdLNO 3NOHdQV3H ap 4 HOLIMS NOISSV 13437 ANOHAOVAH SANOHd MALAN peouejequn gpoT 1N0 eur 081235 Ve vs paouejeg opnasq 1no ANS 1431 SWYO X01 03u n t OC swyo 009 Ou E xeW 1Nd1NO qaoNviVa8 YAWUOASNVUL paouejeg onsas uleg un LAdLNO SS3TH3WHOJSNV L 3 q umoys 30N 3Ng uerius si j auUeYD 3ndino Wry TANNVHO LAdLNO 1331 ie 1ndino D sna xnv STE T xnv 13441 WV d90tld AVIdSIO pf SIM di LAAT i AAA x 1H9 7n I IXnv OL LNANI ANTI O3ua1s e M E YT OL TSAR jaNvd NI ANTI O3131S NI 3NT1 O3H3LS 1NOUJ I vA T t x Ma J Nd ST Z NYNLIY Z Nuniau HW i YN NUNLaA aq s TA 1431 I il BE Hun Nyd EE y T NYNLIY yun 301 WOOT HE PPK FNANiAA SLNANI DIN TIY OL Ag En u3M0d Kl ONOW LHOTY Br o T 1 T umoys 3ubi3 jo euo 13NNVHO LNdNI 13441 umoys bumes ynejeq 13431 XR sadun 350d 84d XNY Jesu T xnv utes au gps 0 Jo 1SOd 2904 1S0d RECH e ES 5 12 UNI ANT ZHAZ JUS ubiH E T 0 ZHA8 ZHOPT deems DN ZHOE2. 9 Do not install near any heat sources such as radiators heat registers stoves or other apparatus 10 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 11 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 12 Only use attachments accessories specified by the manufacturer 13 Use only with the 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 tip over 14 Unplug this apparatus during lightning storms or when unused for long periods of time 15 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 to rain or moisture does not operate normally or has been dropped Le symbole de la fl che dans un triangle quilateral symbolisant la foudre est pr vu pour sens
3. A ASHLY MX 508 Stereo Microphone Line Mixer Operating Manual D I EI EI Input dB Mic Line so EE Sei cha DE Eha Oar Ch3 O E ie 17 Low EQ o Level 8 Pon j 10 o o Level Pan Level Pon f E a OTO Zu A utat e ef ad Ti Kee Re ei am ve am 5 Cha Dae Ch5 Gan Ch6 oue Ch7 LT 0 o 1 Level Pon 10 o 10 Level Pan o Level Pan 40 22 20 60 724 Aux Master da JL me 9 do Bl Line Ch 8 c Aux 1 Send o 10 Aux 2 Send o 10 Return 1 6 Pan Stereo Stereo Line In Return 2 Pan 10 O Clip O 6 CO 3 O 0 O 8 O 6 9 O 2 Oo 15 Oo 18 O 21 2 vu 7 auxi O O O O O O O O O O O R Aux2 rO Mute p Right AB ASHLY O Phantom 48v MX 508 l Stereo Mixer D Ce of An Mono Output o 10 Headphones O Meter Phones Select JI Longen Aux 1 2 O Power Main Outputs AASHLY Ashly Audio Inc Made in USA MX 508 Mains Voltage 100 240V 50 60Hz Mains Current Pwr Transformerless Outputs K O Transformer Balanced Outputs Tip Aux Aux Mono A2 d Out sub Out WARNING Risk Of Hazardous Energy See Operating Manual CAUTION Right Left Sub In Aux atin 1 Ring Aux 2 Aux
4. 4 14 Mono Output Level This control adjusts the level of the summed mono output It is completely independent of the Main Left and Right masters 4 15 Headphones Level This control adjusts the level of the designated output signal Mains or Aux to the headphone jack 4 16 Meter Phones Select This switch selects either the Main Left Right outputs or the Aux 1 Aux 2 outputs to the LED meters and the headphone jack 4 17 Headphone Output This front panel 1 4 TRS connector feeds a standard set of stereo headphones A selector switch that also controls the level meter allows monitoring the main or Aux outputs e A ASHLY Operating Manual MX 508 Stereo Microphone Line Mixer 5 CONNECTIONS AND CABLES The MX 508 mixer is fitted with five types of audio connectors 3 pin XLR type male stereo outputs 3 pin XLR type female mic inputs tip ring sleeve TRS phone jack 3 5mm TRS phone jack front panel stereo line in and RCA jack Certain 1 4 jack connections use an unbalanced mono plug which is also shown 3 5mm Stereo Phone Plug used for Stereo Line In Gnd Aa Tip L Ring R 4 Tip Ring F Sleeve Gnd CL Tip m Sleeve Gnd o NEN RCA Plug Stereo Phone Plug used for balanced Mono Phone Plug used for unbalanced XLR Male XLR pins are numbered on the e e connector insert 2 3
5. a slight increase 2 5dB in output level when driving high impedance inputs with the transformer outputs The output meters will remain accurately calibrated to the levels present on the transformerless outputs regardless of the load on the transformer outputs 5 9 Transformerless Outputs These outputs are also controlled by the left and right master They are 1 4 servo balanced TRS jacks with a nominal operating level of 4dBu into any load Transformerless Outputs O O 1sformer Balanced Outputs Aux 1 Send O O Aux 2 Send Right Left Mono OO Return 1 O eturn 2 Right Left Sub Out O Ts Tip E 1 Ring Aux 2 Mono 4 BER Out sub Out so 9 Stere un L R 5 10 Sub Outputs These outputs are generally used to feed another mixer s Sub Inputs for expanded input capacity The Main left and right submaster outputs use unbalanced mono 1 4 connectors The Aux submaster outputs use 1 4 TRS connectors with Aux 1 on the tip and Aux 2 on the ring 5 11 Mono Output This output is a function of the Mono Level Control which is a pre Master summed output from the left and right mix busses Like the main outputs it is pseudo balanced with a nominal level of 4dBu 5 12 Sub Inputs These inputs are useful for linking together two or more mixers for expanded input capacity and include Main left Main right and Aux 1 Aux 2 Signal to the Sub Inputs is taken f
6. 1 Pad 20dB Send Mic Input Pad 20dB Mic Input Pad 20dB Mic Aux 2 Right Mono Return 1 O Return 2 Pad 20dB Mic Send and Return Jacks Use Balanced Connections Pad 20dB Mic Input ASHLY AUDIO INC 847 Holt Road Webster NY 14580 9103 Phone 585 872 0010 Toll Free 800 828 6308 Fax 585 872 0739 ashly com Mic Pad 20dB Pad 20dB Mic Pad 20dB Mic Operating Manual MX 508 Stereo Microphone Line Mixer Important Safety Instructions Consignes de s curit lire attentivement AE A Risk Of Electric Shock Do Not Open The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature ac companying the device Read these instructions Keep these instructions Heed all warnings Follow all instructions To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture 6 Do not use this apparatus near water 7 Clean only with dry cloth 8 Do not block any ventilation openings Install in accordance with the manu facturer s instructions
7. EED 1 gnd E E e XLR Female Audio Connector Types Two conductor twisted pair shielded cable is best for all XLR type connections Belden No 8412 or its equivalent is an excellent cable due to its heavy construction This type of cable should be used for all portable applications Snake cables containing multiple shielded pairs must be handled very carefully because the leads tend to be fragile and a broken conductor is difficult to repair If low level and high level lines e g microphones and mixer line outputs or if either of these lines and speaker cables are run parallel for long distances crosstalk may be significant In fact the crosstalk signal leakage between cables can cause an electronic feedback loop oscillation and possibly damage to the equipment To minimize crosstalk physically separate low level microphone cables from speaker cables by the greatest feasible distance At any point where cables meet run low level cables perpendicular to high level or speaker cables If low and high level or speaker cables must be run parallel and in close proximity to one another they should be bundled separately 5 1 Microphone Input The microphone input is an active Pad 20dB balanced type with a nominal impedance Mic of 1200 ohms Its noise performance is Input best with a 200 ohm microphone The Mic input connector is a standard 3 pin XLR female with the shield on pin 1 the in phase connection on pi
8. Switch This switch selects between the XLR microphone input or the 1 4 line input jack as the signal source It can also serve as a channel mute switch when selected to the unused input 4 3 Channel Clip Indicator This peak sensitive indicator monitors all level critical points in the input channel and illuminates if any of them reach levels 3 dB below clipping 4 4 Equalization Channel EQ consists of a high shelf control at 15KHz middle of shelf a sweepable mid control and a 70Hz low shelf control The mid control is sweepable from 140Hz to 8KHz with a bandwidth of approximately 1 octave 4 5 Aux Sends These are an additional pair of level controls to adjust the feed to monitors or effects units Aux 1 is factory preset to pre fader pre EQ while Aux 2 is post fader post EQ Both Aux sends can be internally switched to pre or post fader EQ Note See section on changing factory configurations 4 6 Level and Pan This concentric pair of controls adjusts the level and stereo position of the channel 4 7 Aux Master Sends These two controls adjust the overall gain of the output stages for the Aux 1 and Aux 2 Send outputs 4 8 Aux Master Returns With Pan These two concentric level and pan controls adjust the returning signal from effects units or auxiliary inputs to the Main Left and Right outputs Return 1 is stereo and return 2 is mono If only the right connection to return 1 is made this return will function as mono wi
9. more inputs must be turned down Note The output meters are accurately calibrated to the transformerless output levels but not necessarily the transformer balanced outputs See note on Transformer Balanced Outputs 4 11 Main Output Level These controls determine the level of both transformer balanced and transformerless output stages for the Main Left and Right outputs 4 12 Main Output Mutes These switches turn off both the transformer balanced outputs as well as the transformerless 1 4 stereo outputs and indicate the mute mode by lighting the red LED near the switch The headphone and metering O Clip O O 6 O O 3 O O 0 O O 3 O O 6 O O H O O O 15 O OQ 18 O O 21 O L aui vU Aux2 P roO rO Mute Main Outputs I Right fis 4 6 AS I LY O Phantom 48V MX 508 Stereo Mixer 5 RE fa 1 5 9 o 10 Mono Output o 10 Headphones Q Meter Phones O JL Left Right Select aliia Aux 1 2 Power functions continue uninterrupted even though there is no signal on the mixer s main outputs 4 13 Phantom Power Switch This front panel switch enables the 48 Volt phantom power supply for condenser microphones which can use this feature One switch controls all the inputs If you have a mix of condenser and dynamic microphones the phantom power will not affect the operation of the dynamic mics
10. of quality control every Ashly product is carefully inspected before leaving the factory to ensure flawless appearance After unpacking please inspect for any physical damage Save the shipping carton and all packing materials as they were carefully designed to reduce to minimum the possibility of transportation damage should the unit again require packing and shipping In the event that damage has occurred immediately notify your dealer so that a written claim to cover the damages can be initiated The right to any claim against a public carrier can be forfeited if the carrier is not notified promptly and if the shipping carton and packing materials are not available for inspection by the carrier Save all packing materials until the claim has been settled 3 AC POWER REQUIREMENTS The MX 508 mixer will perform normally from 100 to 240 volts AC 50 60Hz Use only properly grounded AC receptacles To reduce the risk of ground loop hum use a central point for system AC power distribution Power consumption is less than 50 watts A ASHLY Operating Manual MX 508 Stereo Microphone Line Mixer 4 CONTROLS 4 1 Input Level Gain This control sets the operating level of the Microphone preamp and Line Input Best signal to noise ratio is obtained with higher gain settings It is therefore desirable to set the Gain control as high as possible while still leaving enough headroom typically 20dB to prevent distortion 4 2 Mic Line
11. post ch level ee 95dB DISTORTION SUB Input to Master Output 12dB THD at 4 dBu output 20Hz 20KHz ee ei 0 0594 AUX RETURNS 1 or 2 to Master Ou 30dB THD at 20dBu output 30Hz 10KHz isses 0 0596 Stereo Line In to Master Output ss sisse 27dB IMD SMPTE at 20dBu output Ee eee eee lt 0 05 EQUALIZATION HUM amp NOISE 20Hz 20KHz at max preamp gain Low EE rare RU eoe aer es 12dB at 70Hz shelving equivalent input hum and note lt 128dBu Mid ETE 140Hz 8KHz residual output noise TRS outputs High esae cet SEENEN geeks eks El 2dB at I3KHz shelving all levels at minimum 100dBu CROSSTALK residual output noise XLR outputs llsssss sess 90dBu adjacent inputs 20Hz 20KHz 0 cece eee eee eee lt 65dB Master Level at nominal Mic Input to Master Output IKHz 2 2 ee eee 65dB all Ch Level controls at mm 80dBu Mic Input to Master Output 20KHz ee ee see ee 55dB Master Level and one Ch Level at nom lt 68dBu VU METERS Aux 1 or 2 Out Aux Master at nominal Selectable to Main or Aux Outputs e OVU 4dBu andal Chi Aux OT 88dBu 21 VU to 6 VU Aux 1 or 2 Out Aux Master and PEAK INDICATORS idR EE eeeopnan Ake ss xoNeG SeOBUBU Peak Clip indicator on each input channel and left and right outputs illuminates FREQUENCY RESPONSE 3dB below clipping 20HZ 20K HZ skies EE Ne tu a ER DE UOS 0 5 1 0dB PHANTOM POWER SOHZELOK EZ ecole DE a DE edd oe SM 0 0 5dB 48 VDC ap
12. 0 WARRANTY INFORMATION 11 WARNING THIS APPARATUS MUST BE EARTHED A ASHLY Operating Manual MX 508 Stereo Microphone Line Mixer 1 INTRODUCTION Congratulations on your purchase of an Ashly MX 508 stereo mixer In one compact rack mount package we have combined features reliability and sonic performance found only in larger and more expensive mixing consoles This third generation mixer utilizes a universal 100 240VAC switching power supply and adds a 3 5mm front panel stereo line input jack Other features include output mute switches dual jack insert points switchable 48V phantom power and front panel switching on each channel selecting between mic or line input Three band equalization with a fixed frequency low and high shelf and a tunable mid range control provides perfect true reciprocal equalization curves A concentric level and pan control combined with a concentric pair of auxiliary sends complete each input channel Ultra low noise summing amplifiers combine the channel signals for the main and send outputs Two 10 segment LED arrays monitor main or aux outputs Standard line level outputs on 1 4 connectors stereo pre fader line outputs on RCA connectors and transformer isolated 600 ohm outputs on XLR connectors are provided as standard equipment Ashly still uses professional quality 16mm metal shaft potentiometers on all controls for greater accuracy and long life 2 UNPACKING As a part of our system
13. T sous MOT Ae Wie NIS BETA Ee Be H H E AIS f avg NI JIN i WW qi ere P Vun ANIS JIN 4 Te 2 t uteg JIW gp09 03 07 t d TANNVHO JeMog uiojueud Agp ll ASHLY Operating Manual MX 508 Stereo Microphone Line Mixer 10 LIMITED WARRANTY USA ONLY Other countries please contact your respective distributor or dealer For units purchased in the USA warranty service for this unit shall be provided by ASHLY AUDIO INC in accordance with the following warranty statement ASHLY AUDIO INC warrants to the owner of this product that it will be free from defects in workmanship and materials for a period of FIVE years from the original date of purchase ASHLY AUDIO INC will without charge repair or replace at its discretion any defective product or component parts upon prepaid delivery of the product to the ASHLY AUDIO INC factory service department accompanied with a proof of original date of purchase in the form of a valid sales receipt This warranty gives you specific legal rights and you may also have other rights which vary from state to state EXCLUSIONS This warranty does not apply in the event of misuse neglect or as a result of unauthorized alterations or repairs made to the product This warranty is void if the serial number is altered defaced or removed ASHLY AUDIO INC reserves the right to make changes in design or make additions to or improvements upon this product without any obligation t
14. blish the operating level of input stages first by setting their gain as high as possible but leaving about 20dB of headroom for loud peaks then move on to set the master gain to produce a good meter reading Proceed to set the gain of equalizers limiters crossovers and amplifiers following the mixer in the same manner always working toward the later stages of the system 8 3 Excessive Noise Ifthe noise is in the form of hiss the problem is usually due to an input stage set up for low gain and then compensating by increasing the master gain Check that the Pad switch is not enabled unnecessarily Turn up the channel gain controls and reduce the master gain 8 4 Excessive hum This is usually caused by ground loops in the system wiring A complex sound system with many sources separated by significant distance and using several power outlets has many opportunities for this problem to occur If possible feed everything in the system from one power source with a common ground Use balanced input and output connections between widely separated components If you need help get in touch with your Ashly dealer or call an Ashly technical service representative at 1 800 828 6308 9 SPECIFICATIONS oaBu 0 775v INPUT IMPEDANCE AUX SENDS Mic input balanced a EES ER ge Re dn 1 2k Ohm Mic Input to Aux Master Output pre ch evi 80dB Line input balan ed 8 WEE ER ie Ide EERS SEE ave aisa 20k Ohm Mic Input to Aux Master 2 Output
15. e or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help S A ASHLY Operating Manual MX 508 Stereo Microphone Line Mixer Table Of Contents 1 INTRODUCTION 264 ccc 484k ox RRE EE X EGA N Eck KG X X Xo ACC X 4 2 UNPACKING eee hh ohh ns 4 3 AC POWER REQUIREMENTS eee eee 4 CONTROLS 542444 bdo OE Ee hee ee OR Ee OY E RC 5 5 CONNECTIONS AND CABLES 000 cee SEE SE ss 7 6 CHANGING FACTORY CONFIGURATIONS 9 6 1 Changing the Aux Pre Post Assignment len 9 7 TYPICAL APPLICATIONS ees 9 7 1 Small Sound Reinforcement System ss ss eee ees 9 7 2 Meeting Room Board Room Church etc Using Remote Control 9 7 3 Location Recording or Broadcast Mixing eee 9 7 4 Submixer In Larger Sound System 2 aco sas Geka ae ee ee OR RE 9 8 TROUBLESHOOTING TIPS 00 cee ss ss ss ss 10 Bol NG SOUNG sis s 522 ew bas HE HE aa ARE de EE ad RES SR ES 10 8 2 Distorted Sound sisie ER ad VER RE SUR eee eee ow GE 10 8 3 Excessive Noise ss ss es 10 8 4 Excessive Hum si tu es es EE ENER Rr EET Ea X RA 10 9 SPECIFICATIONS 22x5252 eae Sha eae EN 11 1
16. he SUB OUT connectors can be used to feed the mixed drum signal to the main mixer If there is significant distance between the MX 508 and the master mixer use the balanced or transformer balanced Main outputs for long cable runs A ASHLY 9 Operating Manual MX 508 Stereo Microphone Line Mixer 8 TROUBLESHOOTING TIPS 8 1 No Sound Check the AC power Is the power switch LED on and illuminated Check the level meters If they are operating either the problem is between the mixer and the later components in the system or else the Output Mute switches are pressed If there is no meter activity check to see you really have an input signal and that it is on the desired channel or check to see that the meter select switch is set to Left Right Check that you have the master gain controls at the desired operating level and that the output mute switches are out 8 2 Distorted Sound Something is being overdriven in the signal path If the clip indicators are active reduce the channel gain controls and or press in the pad switch on the rear panel If the level meters are constantly in the red reduce the Master gain and increase the gain of components following the mixer There are many gain adjustments in the mixer itself and probably several others in other system components which makes it possible to overdrive an input section and then incorrectly try to reduce the gain of the output section The best way to approach setting gains is to esta
17. ibiliser l utilisateur la pr sence de tension de voltage non isol e l int rieur de l appareil Elle pourrait constituer un danger de risque de d charge lectrique pour les utilisateurs Le point d exclamation dans le triangle quilat rale alerte l utilisateur de la pr sence de consignes qu il doit d abord consulter avant d utiliser l appareil Lisez ces instructions Conservez ces instructions Observez les avertissements Suivez ces instructions Pour r duire le risque de feu ou la d charge lectrique ne pas exposer cet appareil pour pleuvoir ou l humidit 6 Ne pas utiliser l appareil pr s de l eau 7 Le nettoyer l aide d un tissus sec 8 Ne pas bloquer les ouvertures de ventilation installer selon les consignes du fabricant 9 Eloigner des sources de chaleur tel radiateurs fourneaux ou autres appareils qui produisent de la chaleur 10 Ne pas modifier ou amputer le syst me de la mise terre Une prise avec mise terre comprend deux lames dont une plus large ainsi qu une mise terre ne pas la couper ou la modifier Si la prise murale n accepte pas la fiche consulter un lectricien pour qu il remplace la prise d su te 11 Prot ger le cordon de secteur contre tous bris ou pincement qui pourraient l endommager soit la fiche murale ou l appareil 12 N employer que les accessoires recommand s par le fabricant 13 N utiliser qu avec les syst mes de fixation chariots tr pied ou autre
18. n 2 and the out of phase connection on pin 3 5 2 Input Pad The Pad is a 20dB attenuation Line switch on the rear panel for use with the Input XLR microphone input It has no effect on the line input It should normally be left in the out position for best signal to noise ratio and should only be used when Aere the input is being overdriven with the Gain iem control at its minimum setting Returr tereo ine Out Send 5 3 Line Input The line input is a standard 1 4 TRS active balanced connection with a balanced input impedance of 20KQ It will accommodate a wide range of input levels 5 4 Channel Send And Return Patch A channel patch point allows a device such as graphic equalizer noise gate compressor limiter remote level controller or direct out recording device to be used on individual channels The MX 508 has separate send and return jacks both using balanced signals for low noise Use the send jack to feed the input of the device to be inserted and use the return jack for the output of the inserted device Single jack TRS insert is not available If using the send jack as a Direct Line Output pre EQ use either a standard mono plug tip sleeve or stereo tip ring sleeve The TRS plug gives the best noise performance into a balanced input A ASHLY 7 Operating Manual MX 508 Stereo Microphone Line Mixer 5 5 Aux Send Outputs The Aux Outputs are used to drive monitors effects process
19. ng two channels are used for playback from a stereo source such as might be used during intermission for backup for special recorded effects etc Power amplifier s or any additional outboard equipment is fed from the transformer balanced Output connectors Meeting Room or Church Using Remote Control The MX 508 can be interfaced with an Ashly VCM 88C eight channel remote level controller allowing a full featured mixer to be operated from a distance by a non technical person Once initially set up the RD 8C desktop remote controller can be located far away from the main audio equipment rack using a single balanced XLR cable allowing for simplified sound system operation using a limited number of knobs lights and buttons Location Recording or Broadcast Mixing The MX 508 can be used to mix sources typically found in location recording or broadcast situations mostly microphones The Stereo Line Out jacks can feed a portable recorder and the recorder s line output is brought back to the Stereo Line In connectors for monitoring For live remote broadcast applications the Mono Out connector can feed a suitable TELCO or internet interface Submixer In Larger Sound System The MX 508 can be used to provide a drum mix to the main mixer without tying channels on the main console Up to eight mics can be pre mixed in stereo with all drum specific gating compression and effects controlled directly by the drummer Either the main OUTPUT or t
20. o install the same on products previously manufactured Any implied warranties which may arise under the operation of state law shall be effective only for FIVE years from the original date of purchase of the product ASHLY AUDIO INC shall be obligated to only correct defects in the product itself ASHLY AUDIO INC is not liable for any damage or injury which may result from or be incidental to or a consequence of such defects Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you OBTAINING WARRANTY SERVICE For warranty service in the United States please follow this procedure 1 Return the product to ASHLY AUDIO INC freight prepaid with a written statement describing the defect and application that the product is used in ASHLY AUDIO INC will examine the product and perform any necessary service including replacement of defective parts at no further cost to you 2 Ship your product to ASHLY AUDIO INC Attention Service Department 847 Holt Road Webster NY 14580 9103 A ASHLY ASHLY AUDIO INC 847 Holt Road Webster NY 14580 9103 USA Phone 585 872 0010 Fax 585 872 0739 Toll Free 800 828 6308 ashly com 2014 by Ashly Audio Corporation a division of Jam Industries Ltd All rights reserved worldwide All features specifications and graphical representati
21. ons are subject to change or improvement without notice Printed in USA MX508 R0614
22. ors recording devices or any function which requires isolated level control from the main outputs They are pseudo balanced 1 4 tip ring sleeve 5 6 Aux Return Inputs The return inputs are 1 4 unbalanced Return 1 is stereo with a left and right input while Return 2 is mono To use return 1 as mono connect only to the Right return 1 input 5 7 Stereo Line In Stereo Line Out The stereo line inputs on RCA connectors and the 3 5mm front panel jack have a nominal operating level of 10dBu to match most consumer audio players The stereo line outputs are LOdBu pre master so they are not affected by the settings of the Main output controls 5 8 Transformer Balanced Outputs The transformer outputs use male XLR type connectors and provide total isolation for 600 ohm lines Pin 1 is ground pin 2 is and pin 3 is These outputs are controlled by the Left and Right Master levels with a nominal operating level of 4dBu Note The transformer balanced outputs are designed to drive up to 24dBu into 600 ohm loads Because of the nature of an output transformer the output level increases as the impedance of the terminating load becomes higher than 600 ohms Whereas a direct coupled output stage like that of the transformerless outputs will not change as the load changes any transformer used in an audio path is affected by its termination impedance Since line level inputs on audio devices are typically 10KQ or higher expect
23. plied to all Mic Inputs switchable on front panel Maximum MAXIMUM INPUT LEVEL total current draw 80mA Maximum single channel current draw 14mA Mic iapot with pad 5 sis W er tie done wane ER EER DR sates 22 3dBu Gradual power up and down to eliminate pops Line input 23dBu WEIGHT MAXIMUM OUTPUT LEVEL Unit weight 14 7 lbs 6 68kg Transformer output 24 2dBu 600 Ohm 26 7dBu no load Shipping weight 19 Ibs 8 63kg BCEE 23dBu RCA 13 5dBu DIMENSIONS mo VOLTAGE GAIN z2dB 19 x 5 25 x 9 4 483mm x 133mm x 239mm MASTER Mic Input to Master Output 600 ohm load See ee 84dB dieere CREE oe gs LM Line Input to Master Output 600 ohm load 00006 30dB j unless otherwise stated specification conditions are 150 source maximum preamp gain all other controls set at nominal XLR outputs into 600 or greater CR A ASHLY Operating Manual MX 508 Stereo Microphone Line Mixer paouejeg opnesd 1NO ONON dV ONIWWNS LHOTY WOU 13431 ONOW m paoueleg oMas uteg Dun NAS e xnv ONTY Z XNY dIL T XOV NI ANS c xnv 1 xnv tr e xnv exnv buri T xnv du 13431 MALSVWN 1no ans T z ANY T xnv paouejeg onas ueg Dun gt NAS T XNV FR MINI NS 4 INI 8ns 1 webera X29019 SOS XW uonisod NO eui ui UMOUS ale S YAMS Iv SUA 6440 ngpo NgpEZ Sie sje e yndjno pue ndu wnwxew paes esiweuio ssalun
24. rom the Sub Outputs of another mixer with a nominal level of 4dBu The Aux submaster input requires Aux 1 on the tip and Aux 2 on the ring 2 A ASHLY Operating Manual MX 508 Stereo Microphone Line Mixer 6 CHANGING FACTORY CONFIGURATIONS 6 1 Changing the Aux Pre Post Assignment The MX 508 is shipped from the factory with Aux 1 assigned Pre Fader EQ and Aux 2 Post Fader EQ Each channel s Aux Send controls may be independently configured for either pre or post fader EQ operation with a minimum of tools and no soldering To make this change refer the following procedure to a qualified service technician Unplug the unit s AC power cord from the outlet Remove the bottom cover which is fastened by seven 6 32 screws Locate the 3 pin headers labeled Send 1 and Send 2 near the front of each input channel circuit board see diagram Remove the shunt bar from the factory installed position indicated on the circuit board legend and place the shunt on the other position of the 3 pin header LK ee r1 e e simos an H y Lu KA gt Noe OY eH oa oa a e Oe LI J1 SEND 1 SEND 2 7 TYPICAL APPLICATIONS The following information will help you make the most of your new mixer Small Sound Reinforcement System The MX 508 can be used to mix typical sound sources that might be found in a small club school theater or similar environment Six of the input channels are used for microphones for live vocal or instrumental pickup The remaini
25. s ap prouv s par le fabricant ou vendus avec l appareil 14 D brancher l appareil lors des orages lectriques ou si inutilis pendant une longue p riode de temps 15 Un entretient effectu par un centre de service accr dit est exig si l appareil a t endommag de quelque fagon si il a t expos la pluie l humidit ou s il ne fonctionne pas normalement ou qu il a t chapp FCC Compliance This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in both a commercial and 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 a 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 on
26. th pan 4 9 Stereo Line In and Aux 1 Send This control adjusts the back panel RCA and front panel 3 5mm Stereo Line In level to the Main Stereo outputs The RCA and 3 5mm input jacks are electronically buffered and then summed together The outer concentric control labeled To Aux 1 sums the left and right Stereo Line inputs to a mono signal and then applies it to the Aux 1 Master group for use with monitors or effects It is pre fader or independent of the stereo level control A ASHLY Input dB Mic Line SC Gei S me a E Ge S Mic ili Line ill Line ch lom Ch Bee ied Mid EQ e Frequency O Aux e Aux2 O Level e Pan O Q e e 0 10 10 Level 9 Pan Level Pan L Aux Master 50 E v 10 dsl Hide Send Clip 0 10 Aux 2 Send 5K 0 1 Return 1 0 Pan Stereo Stereo Line In 0 10 Stereo Line In To Aux 1 Operating Manual MX 508 Stereo Microphone Line Mixer 4 10 Output Meters A pair of peak reading 10 segment LED meters are used to indicate output level Green LED s are used below 0 VU yellow above 0 VU and red LED s indicate clipping 0 VU is equivalent to 4 dBu 1 228Vrms This meter pair is switchable with the headphone output to either the Main Left and Right outputs or the Aux 1 and 2 outputs The red clip LED s will illuminate if the summing amplifiers are clipping even if the main output controls are off in which case one or
Download Pdf Manuals
Related Search