Yamaha Music Mixer mixing consoles User's Manual
Contents
1. 8 09 apos gaPor gapos gpoc gP0L 9 Connection Actual Load Impedance For Use With Nominal Input Level 1 Sensitivity 9 Nominal Connector In Mixer Max before Clip CH INPUT sms 50 600 2 Mics amp 600 Q Lines 80 dB 0 078 mV 60 dB 0 775 mV 40 dB 7 75 mV 54 dB 1 55 mV 34 dB 15 5 mV 14 dB 155 mV 36 dB 12 3 mV 16 dB 123 mV 44 dB 1 23 V M 10 dB 245 mV 10 dB 2 45 V 430 dB 24 5 V ST CH 1A INPUT L R 600 Lines 50 dB 2 45 mV 30 dB 24 5 mV 10 dB 245 mV 430 dB 24 5 V ST CH 1B INPUT L R 600 Q Lines 40 dB 7 75 mV 20 dB 77 5 mV 0 dB 0 775 V RCA Pin Jack 3 10 dB 245 mV 410 dB 2 45 V 430 dB 24 5 V ST CH INPUT IL 274 600 Lines 50 dB 2 45 mV 30 dB 24 5 mV 10 dB 245 mV 410 dB 2 45 V Phono Jack TRS 4 10 dB 245 10 dB 245 mV 66 dB 0 388 mV 2 dB 0 616 V 6 dB 388 mV 26 dB 38 8 mV 10 dB 2 45 V 430 dB 24 5 V TALKBACK IN 20 dB 77 5 mV MATRIX SUB IN L R STREO L MONO C SUB IN CH INSERT IN 1 n 8 STEREO2. gt peeeeeeee T Li e 1 LII LL 66 6 6 eaS IE a 1 m SS Pi soe E M2500 24 Rear Panel M2500 40C Front Panel 2 Lo e amp e e e e e e 6050 0 t 6 070000 0 pi 62070292303 0 6 eae 6 6 A TITTTTITTI PPP e E M2500 40C Rear Panel ro o lo 10 0 ABST FCD QM MC EM MM MM M CC HMI E CIE SRT SA GS M G EAMG aks C Ea LENT TA EE C IS CTA AT MI SB RT ATL MM c M uM MM aM M Had ne XEN UIED apos apor TY 2 rp M M ET Oy O
3. ii d s T Sat E 26 ME HR D D FP uw m 3 n ra TU 1 mm MEAS IER GUIMIUL bar 200090920 00 0000000 000 00 0 a MIX GROUP AUX FLIP 7 E t E FE Bi FF 5 29 9 3 55 1 ee m MIXING CONSOLE x i t e 7 X gt 29 9 9 9 1 19 10 9 N b Ile ele ere ee S850 er by gt E lt a gt E 7 gt T T o 4 3 55 ru vel 1 d IN II m E A ON OM A MATRIX 1 MATRIX 2 MATRIX 3 MATRE 4 5 MATRIX 6 MATRIX 7 cra 8 c gt p 4 4 Uys 5 f gt ry e Se lt E T v I 10 04 ATL G5 At2 06 LVS TACT GS 4 ON lena cdi de amp l lelse s Hn ha 25 sS 3 3 5 4 6 Zu El EX Lod Pts ka HSA IET nt E E PTR abi AEST L3 E J 558 1E 5 e o 2 9
4. 0 0 gt MIXING CONSOLES When discerning sound reinforcement professionals think console they also think Yamaha And with good reason Yamaha sound reinforcement consoles have for many years been standards by which others are judged Yamaha s new M2500 consoles up the ante once more defining new levels of performance control versatility and reliability for an industry that never stands still Innovate fea tures such as the group aux flip function and LCR panning offer unprecedented control while no compromise circuit design layout and component selection from the critical head amplifiers right through to the output connectors ensure that you get the cleanest most accurate signal possible The most important and in demand features have all been implemented as well 4 band EQ with two sweepable mid bands on all mono inputs a matrix submix of the group auxiliary stereo and mono center busses as well as the sub Inputs 128 scene memory 100 millimeter faders and more A wide range of input configurations for all applications 24 32 40 48 or 56 mono inputs with 4 stereo inputs A total of 25 output busses 8 group 14 auxiliary 1 stereo and 1 mono center buss Full length 100 mm faders for all group masters and aux sends 1 through 6 the group master faders controls and aux send 7 through 14 controls can be flipped for maximum sy
5. H lt 9 oNon dHS XAV Xhv ddo amc uem 5 NIIS M ONON 1 se ewes 0 io 118 IO mm 51 LH3SNI 9 2 Xnv 4 lt NI ONOW Y NI aps d 978 i 4 b LIGS NO a f OVININ 59 S ONOW WANN 0 lt ojo I 0 amp amp OH 1 wef gH leu le Quis lt KO 4542745 lg e 739 527 T 3 YALSVN YOLINOW 118 3i lt HO LINOW o dus 1no xnv LHASNI 8 1 PANIES uai3wol ix 100 LHASNI o Dasz im ARMED Kee 5 65 1 O lt uai3w 52 i L lt g xiv D 9 V H lt abeis 2 H gt E e lt 1 473 Xnv dnouo 5 us lt E 1 elviLd NO H31SVIN HOLINOM OVININ r5 xnv 8 sayy 15 14V H31SVIN HOLINOW HYNN 29 Lw 115 14V H31SVIN HOLINON IWIN t ONON 14V H31SVIN HOLINON WV 15 Hd H31SVW HOLINON vp E 2I1 0v TIS Hd HIISVN HOLINOW UJ gu R82 OS wos j 1 o XIHIVN ONON 139 H31SVIN HOLINON WANN g 22222888 euam iene NO CCUNO O 8 iab vivigo av zo xnviduo 80958 LLY S9 1S LAdNI HOLINOW XIMIWIN i H EES s a 115 LAdNI HOLINOIN
6. gt lt E _ t 44 4 4 5 o 5 P 4 M NM E x NT i v LLOR ic tosa on 5 E E E E 5 e vior OM EDIT OB LOT On COT On tse 1 8 1 1016 16 8 E al 14 cd cd E EX IG bed CZ eed pos hd hat eal hil ew TA 40 gt 98 0 gt E E E i 53 0 0 Lr o 2 ba aa LL gt 2 m ia a Hd ik J e w P G1 A7 G2 AB G3 A9 G4 A10 G5 A11 G6 AR G8 G8 AM STEREO 555 o Master Auxiliary Sends Master auxiliary sends 1 through 6 feature full length 100 millimeter faders with ON and AFL switches and theses directly feed the corresponding AUX outputs Master auxiliary sends 7 through 14 are normally rotary controls with ON and AFL switches feeding the corresponding AUX outputs but these can be flipped with the 100 millimeter faders and related controls normally assigned to the 8 group busses Group Master Controls All 8 group master faders are full length 100 mm types with ON EDIT switches and indicators AFL switches PAN controls MATRIX assign STEREO assign MONO assign and LCR panning mode switches These group controls in conjunction with the flippable aux master controls lets you configure the console to meet your group auxiliary req
7. 10mW 30mW 20 mW 75 mW 8 Q Phones 40 Phones PHONES OUT Stereo Phone Jack 4 4 Stereo Phone Jack is unbalanced 1 In these specifications when dB represents a specific voltage OdB is referenced to 0 775 Vrms 5 56 48 40 32 or 24 2 All XLR connectors are balanced 3 INSERT Phone Jacks TRS are unbalanced T OUTPUT R INPUT S GND 265 10 7 16 gt 242 9 1 2 23 7 8 ES MESES M2500 Dimensions A N CO pi 5 3 8 875 34 7 16 M2500 24 1400 55 1 8 M2500 32 1642 64 5 8 M2500 40C 1899 74 3 4 M2500 48C 2142 84 5 16 M2500 56C 2385 93 7 8 Unit mm inch General specifications Total Harmonic Distortion Master output Less than 0 1 THD 20 Hz 20 kHz 14 dB 600 Q Frequency Response Master Output 0 1 3 dB 20 2 20 kHz 4 dB 600 Input Gain control at Minimum Hum amp Noise 128 dB 99 dB 64 dB 68 dB S N 80 dB 84 dB S N 81 dB 85 dB S N 75 dB 79 dB S N 90 dB 94 dB S N Rs 150 Q 20 Hz 20 kHz Input sensitivity 60 dB Equivalent Input Noise Residual Output Noise STEREO OUT MONO C OUT GROUP AUX OUT AUX OUT AUX GROUP OUT STEREO OUT Master Level control and one Ch fader at nominal level STEREO OUT MONO C OUT Master fader at nominal level and all Ch assign SW s off and
8. 191 lt ONON LAdNI HOLINOIN WIN snq HOLINOW OVI 19 o Xv ewes am 01 2 suolyelasiqqe snq HOLINOW WANN o ai o v Xv x WVAW 0 5 vololv 1 3 31 n 1 1 39 103136 1103 NO n EE HUOIVIIOSO x ON ae BEET gio 3 1044409 ian NO WWI 40 1 8 ZHOOL XIHIVN e Jonuoo 01 lt ann ZHML in 4 ONON 5 5 ZHMOL 1 i NIVO gpoc i 5 gp9z PO EE Nid f 8 0 EAM 08 0 1 euis has o 26 1 to avd 9 1 lt So Ps om S2 YALSVN vileLlorielg y YLIN lt 5 a il GAS WON PO 4 1H3SNI dnous Wad BLOCK DIAGRAM
9. L MONO C INSERT IN GRP AUX INSERT IN 1 7 8 14 AUX INSERT IN 1 6 50 600 Q Mics 50 dB 2 45 mV XLR 3 31 type 5 600 Lines 4 dB 1 23 V 24 dB 12 3 V Phono Jack TRS 6 600 Lines 0 0 775 V 20 dB 7 75 V Phono Jack TRS 7 10 dB 245 mV 1 In these specifications when dB represents a specific voltage OdB is referenced to 0 775V rms 6 SUB IN Phone Jacks TRS are unbalanced T SIGNAL R GND S GND 2 XLR connectors are balanced 7 INSERT Phone Jacks TRS are unbalanced T OUTPUT R INPUT S GND 3 RCA Pin Jacks are unbalanced 8 n 56 48 40 32 or 24 4 INPUT Phone Jacks TRS are balanced T HOT R COLD S GND 0 Sensitivity is the lowest level that will produce an output of 4dB 1 23V or the nominal output level when the 5 XLR connector is unbalanced unit is set to maximum level Output specifications Output Level 1 Max before Clip Actual Source Impedance Connector In Mixer For Use With Nominal Connection Nominal STEREO OUT L MONO C OUT GRP AUX OUT 1 7 8 14 AUX GRP OUT 7 1 14 8 AUX OUT 1 6 MONITOR OUT L R MONO C MATRX OUT 1 8 CH INSERT OUT 1 5 STEREO INSERT OUT L R MONO C INSERT OUT GRP AUX INSERT OUT 1 7 8 14 AUX INSERT OUT 1 6 600 Q Lines 4 dB 1 23 V 24 dB 12 3 V XLR 3 32 type 2 10 kQ Lines 0 dB 0 775 V 420 dB 7 75 V Phone Jack TRS 3
10. Controls compatibility with the widest possible range of All mono and stereo channels have odd line sources Stereo channels 2 through 4 even assign switches for the 8 group busses 39 T have balanced TRS inputs as well as stereo and mono buss assign Mont ree Lot pre switches The mono channels have PAN 9 controls switchable for LR or LCR operation ie dE Channel Insertion and the stereo channels have balance aa 9 Insert send return patch points controls m A included on all mono channels for convenient po py insertion of compressor limiters a must for 3 point Level Indicators PS fade top quality vocal sound equalizers or any Al diet h B other outboard equipment you might need to MW 4 1 i il Ax A apply to individual channels point Input evel In Icators for accurate Fa MENU monitoring of pre fader signal levels SIGNAL 79 NOM nominal and PEAK LEDs provide a D Input Controls amp Level Matching broader view of channel signal levels than ur Kock 2 Gain trim controls with a 44 dB range on the usual one or two LED indicators A 5 inputs independent 40 dB gai d cx 6 all mono inputs independen gain ZA 2 e Channel Faders Pre fader Listen stereo annels 21 rough 4 30 dB amp Ch 1 ON Switch sect ae y gain controls for the
11. all GROUP to ST SW s off GROUP 1 AUX 7 GROUP 8 AUX 14 OUT Master Level control at nominal level and all Ch assign SW s off GROUP AUX FLIP SW off AUX 1 6 AUX 7 GROUP 1 AUX 14 GROUP 8 OUT Master Level control at nominal level and all Ch send controls at minimum GROUP AUX FLIP SW off MATRIX OUT Master level control at nominal level and all Matrix Mix controls at minimum level Crosstalk 70 dB 70 dB 50 dB 1 2 adjacent inputs 1 kHz input to output CH INPUT 1 kHz input to output ST CH INPUT Maximum Voltage Gain GROUP AUX FLIP SW off 60 dB 84 dB 80 dB 90 dB 84 dB 70 dB CH INPUT to CH INSERT OUT CH INPUT to GROUP 1 AUX 7 GROUP 8 AUX 14 OUT CH INPUT to AUX 1 2 OUT Pre Fader CH INPUT to AUX 3 6 AUX 7 GROUP 1 AUX 14 GROUP 8 OUT Post Fader CH INPUT to STEREO OUT CH to ST CH INPUT to MONITOR OUT PFL CH INPUT PAD SW 26 dB CH INPUT GAIN control 44 dB variable ST CH 1A 2 4 INPUT GAIN control 40 dB variable ST CH 1B INPUT GAIN control 30 dB variable CH INPUT High Pass Filter 18 dB octave roll off below 80 Hz at 3 dB point CH INPUT Equalization 15 15 dB maximum HIGH HIGH MID LOW MID LOW 10 kHz shelving 400 8 kHz peaking 80 1 6 kHz peaking 100 Hz shelving ST CH INPUT Equalization 15 15 dB maximum HIGH LOW 10 kHz shelving 100 Hz shelving All specifications subject to change withou
12. assign switches and insert I O jacks with aux send controls 7 through 14 via a single switch When the GROUP AUX FLIP switch is set to GROUP the 100 mm group master faders and related controls function in the normal way affecting the signal fed to the console s group outputs the ideal configuration for most house mixing applications When the GROUP AUX FLIP switch is set to AUX however the group master faders are flipped with rotary aux sends 7 through 14 so that all of the console s master aux sends are controlled via full length faders for unmatched monitor mixing convenience Photo M2500 56C wee ws Switchable LR and LCR Panning All of the mono inputs and group master controls feature LCR switches which when engaged assign the related panpot to the left right and center busses for LCR panning rather than just to the left and right busses as for standard LR stereo panning When an LCR switches is not engaged the corresponding PAN control functions in the normal way panning the signal from left to right on the stereo buss When a channel s LCR switch is engaged however the center panpot position directly feeds the channel signal to the MONO C buss which can feed a center amp speaker system as required while intermediate pan positions feed both the L or R and C buss proportionately The advantage is that centered signals are heard precisely in the center of the sound field regardless of listenin
13. 5 MATRIX 5 6 GROUP 6 AUX 12 AUX 6 AUX 12 GROUP 6 MATRIX 6 7 GROUP 7 AUX 13 NONE AUX 13 GROUP 7 MATRIX 7 8 GROUP 8 AUX 14 NONE AUX 14 GROUP 8 MATRIX 8 9 STEREO L PFL AFL L 10 MONO C 11 STEREO R PFL AFL R VU Meter Peak Indicators LED red built into each VU meter turns on when output signal is above the level 3 dB lower than clipping level Dimension Height 265 mm 10 6 7 Depth 875 mm 34 3 8 Except rear connectors Width 56C 2385 mm 93 7 8 48C 2142 mm 84 5 16 40C 1899 mm 74 3 4 32 1642 mm 64 5 8 24 1400 mm 55 1 8 Weight 56C 102 kg 224 9 Ibs 48C 93 kg 205 Ibs 40C 84 kg 185 2 Ibs 32 71 kg 156 5 Ibs 24 62 kg 136 7 Ibs Accessory Connecting cable 3 m x 1 dB is referenced to 0 775 Vrms 1 Hum amp Noise are measured with a 6 dB octave filter 12 7 kHz equivalent to a 20 kHz filter with infinite dB octave attenuation YAMAHA Web Site http www yamaha co jp english http www yamaha co jp product proaudio homeenglish This document is printed on chlorine free ECF paper For details please contact YAMAHA YAMAHA CORPORATION 1 Hamamatsu Japan LPA436 991223 Printed in Japan
14. B input on stereo channel anne witcnes 6 1 facilitate optimum level matching with a Smooth noise free 100 mm linear faders p o wide range of sources The mono inputs make it easy to set up the optimum balance A A 0 additionally feature 26 dB pad switches and between channels while PFL Pre Fader 11 0 phase switches for easy input phase correc Listen switches allow convenient solo mk ani tion monitoring of the channel s pre fader signal All channels additionally feature ON EDIT B Filters amp Flexible 4 band Channel switches and indicators that can be used to switch the channel signal into or out of the mix allowing editing of mute scenes for example without changing any other settings 3 r gt gt gari Evin MGS wm MONO 44 TS LE 5 All mono channels feature a switchable high pass filters to effectively eliminate rumble and other low frequency noise The mono channels also feature a very flexible 4 band equalizer which provides sweepable frequen cies for the HI MID and LO MID bands The stereo channels offer 2 band shelving EQ EQ bypass switches are provided on all channels SO equalization can be punched in or out as required without having to change settings LJ ill E 3 i LUE 1280 NEN HH
15. channel signals when you want to monitor in mono via the stereo monitor outputs A total of 11 large illuminated VU meters with built in peak reading LEDs provide accurate visual level monitoring Eight of the meters can be switched to display levels on the group busses aux busses or the matrix outputs The remaining three meters show levels on the stereo and mono center busses Oscillator Talkback Module For talkback the M2500 features a panel mounted microphone jack with level control and on off switch For convenient system calibration and testing there s even a built in oscillator with 1OOHzm 1kHz 1OkHz and pink noise output Lamp Connectors Connectors for up to three Yamaha LA1800 option console lamps are provided on the rear panel PW3000MA Specifications optional accessory for the M2500 mixing console Two PW3000MA units can be parallel connected so that if one fails the other will automatically take over with no need for any extra automatic switchover equipment ES YAMAHA Power consumption U S and Canadian model 120V AC 60Hz 500W 600 VA European model Australian model 230V AC 50Hz 500W 240V AC 50Hz 500W Dimensions H x D xW 103 5 x 455 x 480 mm 4 1 16 x 17 5 16 x 18 7 8 Weight 15kg 33 1 Ibs Accessory Connecting cable 1m x 1 Rear Panel 24Front Panel M2500 a S M o
16. e E Ii EI Lc d cd CC Mou A EC RM ET E E dc C Id P ni Te 15 IO CTRL CSR N O ue e REN ONE AERC XeN u eD ar Ho 15 apoie e EEEE sS Seuoug J 8 0 Ca M M a ee 1835 HOIINON XUNN XIEIVIN NI ENS Ino IS UNUS 9 01 HO 1S PA UJN UIED UO Ped pe xe X cer e Gu oo lt iid id oo g Eo Guz KE 53 Es p ROS M p G i jene Buiddi KS e 79 apos 250 81 NO am eism 1 T T d XIHIVN S3N Hd al A O ONOW i uv ate bers 2 u O ONON GROUP 819 o oj HO 15 se owes gt T2HO1S x NUNN ARENNO Y HO 1S 2 Da Ee 2 XIHIVN 118 o3 H ONOWA Y NO NIH appt O ONON lt A INO 8pr gt lt lt 1 lt HOLINOW dd OIN 5 50 HOLINOW 01 O ONON i x HIN LHASNI Now 1S xny lt du5 Xhv Xnv dHo 2 5 5 2 lt 15 lt 915 v He T 118 I ocean ue EU 9 6 Se eues H MAAN aa 01 1 1 ONON 1S XAV 10015
17. ents can be checked and edited at any time without actually affecting the mix In addition to recalling complete scenes external MIDI control can be used to individu ally turn the applicable channels and busses off or on as required A MIDI sequencer or computer for example could be used for complete mute automation And since the M2500 also transmits MIDI program change messages whenever a scene is recalled it can be linked to MIDI controllable signal proces sors so that appropriate effects are recalled automatically Furthermore scene data can be dumped to a MIDI data recorder or other storage device for long term storage Submix Matrix The matrix mix concept was a Yamaha innovation which has virtually become an industry standard in professional audio consoles The M2500 features a 15 x 8 matrix mix which allows the 8 group aux buss signals the stereo signals the mono buss signal and the L and R sub input signals to be mixed to eight balanced outputs for extra stage monitor mixes zoned speaker mixes or just about any type of mix the job requires All eight matrix mixes include mix on off switches and AFL switches Flexible Monitoring amp Metering In addition to balanced stereo monitor outputs the M2500 consoles feature a balanced mono center monitor output for an extra margin of monitoring versatility There s also a separate headphone output with its own level control A L R switch sums the left and right
18. g position an ideal situation for vocals speech etc while intermediate pan positions feed both e L R PAN e LCR PAN the L or R and C buss proportionately Intermediate pan pot positions pan between L amp C when left of center gt o and C amp R when posi MONO C BUSS STEREO BUSS L STEREG BUSS R tioned right of center Signal Level Signal Level NPUTSGHANNELS 2 2 Inputs 14 Aux Sends O T The mono input channels feature balanced The AUX 1 through AUX14 controls are E t U XLR type microphone line inputs 48V mono auxiliary sends feeding the correspond Phantom power is independently switchable ing auxiliary busses The AUX 7 through AUX mi E for all mono inputs providing direct compat 14 signals can be re routed to the group ibility with high performance phantom master controls as described in the MASTER powered condenser microphones and DI CONTROLS section below AUX 1 and AUX 2 boxes are hard wired pre fader while the remaining Stereo line sources be directly con 12 sends can be switched to receive the pre nected to any of the 4 stereo input channels or post fader signal in groups of four E a total of eight inputs Stereo channel 1 has m switchable A or B inputs the A inputs are Buss Assign amp Pan Balance SI balanced XLR type connectors and the B E AER inputs are standard RCA pin jacks type for
19. stem versatility Group auxiliary flip function allows the master section to be instantly optimized for main or monitor mixing Mono channel pan controls switchable for LR or LCR operation All mono inputs feature switchable phantom power 26 dB pad switches 44 dB gain trim high pass filter switches and versatile 4 band EQ 128 mute scenes recallable via numeric keys 8 direct recall switches or MIDI control for mute automation The 8 direct recall switches can alternatively be used as mute group switches B 13 x 8 submix matrix mixes the group aux stereo and mono busses as well as the L and R sub input signals to 8 discrete outputs Odd even group assign as well as stereo and mono buss assign switches on all input channels Aux sends 3 through 14 switchable for pre or post fader operation All outputs are balanced stereo mono center group aux monitor and matrix out Insert patch points on all mono channels as well as the stereo mono center group and aux busses 11 large illuminated VU meters for precise visual level monitoring 5 point input level indicators on all input channels High capacity high performance external power supply with full power monitoring two can be connected for automatic switchover in case of failure Group Aux Flip Function This innovative feature makes it possible to flip the functions of the group master 1 through 8 controls including pan pots
20. t notice Phantom Power 48VDC is applied to balanced inputs via 6 8 current limiting isolation resistors for powering condenser microphones may be turned ON or OFF via rear panel phantom Master switch When Master is ON individual channels may be turned ON or OFF via 48V switches with red LED on each input channel CH LED Indicators PEAK LED red built into each CH INPUT turns on when pre fader level reaches 17 dB NOM LED yellow built into each CH INPUT turns on when pre fader level reaches 0 dB SIGNAL LED green built into each CH INPUT turns on when pre fader level reaches 13 dB ST CH LED Indicators PEAK LED red built into each ST CH INPUT turns on when pre fader L R level reaches 17 dB NOM LED yellow built into each ST CH INPUT turns on when pre fader L R level reaches 0 dB SIGNAL LED green built into each ST CH INPUT turns on when pre fader L R level reaches 13 dB Oscillator Noise Switchable sine wave 100 Hz 1 kHz or 10 kHz or pink noise Scene Memory Direct Scene Memory recall switches 1 8 Switchable Scene Memory recall 1 128 VU Meters 11 illuminated meters OVU 4 dB output 600 load 1 GROUP 1 AUX 7 AUX 1 AUX 7 GROUP 1 MATRIX 1 2 GROUP 2 AUX 8 AUX 2 AUX 8 GROUP 2 MATRIX 2 3 GROUP 3 AUX 9 AUX 3 AUX 9 GROUP 3 MATRIX 3 4 GROUP 4 AUX 10 AUX 4 AUX 10 GROUP 4 MATRIX 4 5 GROUP 5 AUX 11 AUX 5 AUX 11 GROUP
21. uirements while retaining full use of all 25 output busses Group Aux Flip Switch Flips the functions of the master group controls 1 through 8 with aux send masters 7 through 14 This makes it possible to to instantaneously optimize the master control section for main or monitor mixing applica tions All Balance Outputs with Insert Patching All outputs from the M2500 console stereo mono center group aux monitor and matrix out are electronically balanced for full compatibility with professional equipment and optimum performance with long signal runs The group aux aux stereo and mono outputs also feature insert patch points for external signal processing PW3000MA Power Supply A newly developed high performance PW3000MA power supply unit is available as an Sub Inputs Sub inputs to the stereo L and R busses the mono center buss and the submix matrix allow external line level signals to be added to the mix as required 128 MIDI Scene Memory amp 8 Mute Groups In the M2500 console the channel group aux stereo and mono center buss mute functions are electronically controlled by a microcomputer and MIDI interface Up to 128 mute scenes can be stored in memory and recalled either via the panel controls or an external MIDI device Eight DIRECT RECALL switches can be used for instant recall of the most often used scenes while others can be recalled via the numeric keys The memory cont
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