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Multichannel Mastering Console MMC 2
Sources Monitors
Speaker Management
Dim
Solo to LFE to
Stereo Stereo Stereo Dim 1
LC R LS RS LFE L R
t/o t/o
Input A Input B
Center L/C/R A
-10 dB
Stereo Stereo Stereo
Dim 2
Solo Solo Solo Solo Solo Solo Solo Solo
Return A Return B B
-20 dB
Mono Stereo Mono M-CH. Mono M-CH.
M-CH. M-CH. Dim 3
Input A Input B Operation Operation L /R
L/R LS/RS t/o t/o A -30 dB
M-CH. M-CH. M-CH.
Mute
Return A Return B
B
M-CH. M-CH. Insert Return
Return C Return D MMC 2 On On
Mul
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Multichannel Mastering Console MMC 2, Model 2486 Manual Manual Version 1, 10/2005 R & D: Wolfgang Neumann The information in this document has been carefully verifi ed and is assumed to be correct. However Sound Performance Lab (SPL) reserves the right to modify the product described in this manual at any time. Changes without notice. This document is the property of SPL and may not be copied or reproduced in any manner, in part or full without the authorization of SPL. Lim
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Contents Fade In ................................................................................................ 4 Monitor Level ...................................................................................... 9 Signal Flow .......................................................................................... 5 Option: MasterBay ............................................................................. 10 Front Panel .................................................................
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Fade In Moreover additional prerequisites speak for the employment of high-perform- ance analog technology: Master Fader The number of necessary AD/DA conversions should be reduced to a minimum. With the MMC 2, digital sources can be connected to a digital router, which outputs the selected source through the preferred DA converter. This ensures that the sound quality remains comparable and is not affected by converter differences. High quality analog outboard processing consistently proves
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Signal Flow 8 channel bus insert send/ return (bal. drivers and receivers) 2x 4x STEREO STEREO RECORDING INPUTS OUTPUTS (balanced) (bal. drivers) TRIM ON INSERT TRIM ON PHASE MASTER Balanced switch/ switch/ REVERSE BYPASS FADER ON/ input TRIM control switch TRIM control switch MASTER receivers (passive) (relay) 2x M-CH. 2x +/- 10 dB +/- 10 dB FADER RECORDING M-CH. OUTPUTS INPUTS (bal. drivers) (balanced) 2x 2x STEREO STEREO MONITOR RETURNS OUTPUTS (bal. receiver) Monitoring/Speaker Management
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Front Panel Sources Speaker Management Monitors Dim Solo to LFE to Stereo Stereo Stereo Dim 1 LC R LS RS LFE L R t/o t/o Input A Input B Center L/C/R A -10 dB Stereo Stereo Stereo Dim 2 Solo Solo Solo Solo Solo Solo Solo Solo Return A Return B B -20 dB Mono Stereo Mono Mono M-CH. M-CH. M-CH. M-CH. Dim 3 Operation Input A Input B Operation L /R L/R LS/RS t/o t/o A -30 dB M-CH. M-CH. M-CH. Mute Return A Return B B M-CH. M-CH. Insert Return Return C Return D On On MMC 2 Multichannel Mastering Conso
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Control Elements Sources Sources The Sources section provides selection options for several stereo and multichannel input Stereo Stereo Input A Input B and return sources. The returns are ideally suited to select recorders, DAW, audio players, and so on. Stereo Stereo Return A Return B All Input buttons allow for switching between the input monitoring mode and the output monitoring mode. Press once, the input button is permanently illuminated. The output M-CH. M-CH. signal after the Master F
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Control Elements Insert/Return Insert Return On On The MMC 2 offers an Insert/Return point after the Input Trims to include external processing equipment into the signal path. Insert Return Monitoring Speaker Management Solo to LFE to LC R LS RS LFE L t/o R t/o Monitoring functions comprise a Speaker Management section, a Monitors selection Center L/C/R section and the Monitor Level fader. Solo Solo Solo Solo Solo Solo Solo Solo 1. Speaker Management Mono Stereo Mono Mono M-CH. Each loudspeak
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Control Elements Monitor Level The Monitor Level is controlled with a custom-made eight-tiered potentiometer. The MMC 2 does not employ DACs, step ladders or VCAs for this function, and the specifi ca- tions of this potentiometer are substantially better than either of these other options ever could be – the maximum tolerance is ‹ 0,5 dB over the entire control range. The control range reaches from -∞ dB to +4 dB. Monitor Level Master Fader Master Fader This fader features the same potentiomet
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Option: Master Bay The MMC 2 can optionally be complemented with an automated insert box called MasterBay MasterBay. The MasterBay consists of an 8U insert box and a remote control panel. Up to eight 8-channel processors can be connected to the insert box, which is operated by the MasterBay remote panel. Sequence Processor Store/ With the MasterBay the engineer can specify up to four routings, called sequences, Position Selection Recall which can be stored and re-called. The remote panel pr
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Rear Panel/XLR Wiring/Metering Out PUSH 2 1 Pin Wiring XLR Inputs 3 1 = Ground, 2 = hot (+), 3 = cold (-) 1 2 Pin Wiring XLR Outputs 3 1 = Ground, 2 = hot (+), 3 = cold (-) Please refer to the service documentation for EDAC wiring. Metering Out Connector M-CH. METERING OUT M-CH. RETURN D VU metering displays for the channels 1-8 can be connected to the DB25 socket on the rear INSERT RETURN INSERT SEND M-CH. RETURN C M-CH. RETURN B panel (stereo channels: 1 and 2). Metering always fol
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Measurements Audio Precision INPUT/OUTPUT PHASE vs 09/20/05 11:41:11 Audio Precision INPUT/OUTPUT PHASE vs 09/20/05 11:45:44 FREQUENCY FREQUENCY MMC2 Channel 1 Direct,Pre,Insert,Return to Monitor Out MMC2 Channel 2 Direct,Pre,Insert,Return to Monitor Out +40 +40 +30 +30 +20 +20 +10 +10 +0 +0 d -10 d -10 e e -20 -20 g g -30 -30 -40 -40 -50 -50 -60 -60 -70 -70 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k Hz Hz Measures phase difference between Input
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Measurements Audio Precision INPUT/OUTPUT PHASE vs 09/20/05 11:50:46 Audio Precision INPUT/OUTPUT PHASE vs 09/20/05 11:54:00 FREQUENCY FREQUENCY MMC2 Channel 5 Direct,Pre,Insert,Return to Monitor Out MMC2 Channel 6 Direct,Pre,Insert,Return to Monitor Out +30 +30 +20 +20 +10 +10 +0 +0 -10 -10 d d -20 -20 e e g g -30 -30 -40 -40 -50 -50 -60 -60 -70 -70 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k Hz Hz Measures phase difference between Input to DUT
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Measurements Audio Precision INPUT/OUTPUT PHASE vs 09/20/05 14:40:05 Audio Precision INPUT/OUTPUT PHASE vs 09/20/05 15:10:44 FREQUENCY FREQUENCY MMC2 Input to Monitor Out Channel 1-8 MMC2 Input to REC Out Channel 1-2 4 X L/R +40 +30 +30 +25 +20 +20 +10 +15 +0 +10 d d e e g g -10 +5 -20 +0 -30 -5 -40 -10 -50 -15 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k Hz Hz Measures phase difference between Input to DUT and Output from DUT. Measures phase diff
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Measurements Audio Precision MASTER FADER GAIN - FREQUENCY RESPONSE 09/21/05 09:44:19 MMC2 MONITOR GAIN CH 1-8 L R +10 +0 -10 -20 -30 d B -40 r -50 A -60 -70 -80 -90 20 50 100 200 500 1k 2k 5k 10k 20k Hz Frequency Response from 20k to 20 Hz. F4 first to set 0 dBr at 1kHz. The 2 Ch Ampl Function Reading meter BW is set to <10 Hz >500kHz so the bandwidth is the same as the Level meter. Optimize for detail. Pegel In-Out.at2c Audio Precision MASTER FADER GAIN - FREQUENCY RESPONSE 09/21/05
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Measurements Audio Precision LFE to LCR cal. to -10dB 09/26/05 15:29:10 +20 +17.5 +15 +12.5 +10 +7.5 +5 d +2.5 B +0 r -2.5 A -5 -7.5 -10 -12.5 -15 -17.5 -20 20 50 100 200 500 1k 2k 5k 10k 20k Hz Frequency Response from 20k to 20 Hz. F4 first to set 0 dBr at 1kHz. The 2 Ch Ampl Function Reading meter BW is set to <10 Hz >500kHz so the bandwidth is the same as the Level meter. Optimize for detail. Pegel In-Out.at2c Audio Precision MASTER FADER GAIN - FREQUENCY RESPONSE 09/21/05 09:35:34 M
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Measurements Audio Precision GAIN - FREQUENCY RESPONSE 09/21/05 09:19:30 MMC2 PRE TRIM/POT CH 1-8 +20 +17.5 +15 +12.5 +10 +7.5 +5 d +2.5 B +0 r -2.5 A -5 -7.5 -10 -12.5 -15 -17.5 -20 20 50 100 200 500 1k 2k 5k 10k 20k Hz Frequency Response from 20k to 20 Hz. F4 first to set 0 dBr at 1kHz. The 2 Ch Ampl Function Reading meter BW is set to <10 Hz >500kHz so the bandwidth is the same as the Level meter. Optimize for detail. Pegel In-Out.at2c Audio Precision GAIN - FREQUENCY RESPONSE 0
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Measurements Audio Precision MASTER MONITOR GAIN - FREQUENCY RESPONSE 09/21/05 09:47:00 MMC2 MONITOR GAIN CH 1-2 PAD 10,20,30dB L R +0 -2.5 -5 -7.5 -10 d -12.5 B -15 r -17.5 A -20 -22.5 -25 -27.5 -30 20 50 100 200 500 1k 2k 5k 10k 20k Hz Frequency Response from 20k to 20 Hz. F4 first to set 0 dBr at 1kHz. The 2 Ch Ampl Function Reading meter BW is set to <10 Hz >500kHz so the bandwidth is the same as the Level meter. Optimize for detail. Pegel In-Out.at2c 18
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Specifi cations/Power Supply Dynamic Range ›130 dB Max. input level ›30 dBu (Audio Precision generator limit +30 dBu) THD & Noise (+24 dBu) Recording Out: ›110 dBu Monitor Out: ›108 dBu Send: ›110 dBu Input impedance (balanced): 20 kOhm (Welwyn precision resistors, transformerless) Output impedance (balanced): ‹75 Ohm (CMR trimmers, transformerless) Dimensions Front panel 19 inch/11U Housing incl. connectors (H x W x D) 51.6 x 48.2 x 52 cm/20,3 x 19 x 20.5 inch Weight 35 kg/77 lb Powe
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Warranty SPL electronics GmbH (SPL) products are warranted only in the country where purchased, through the authorized SPL distributor in that country, against defects in material or workman- ship. The specifi c period of this limited warranty shall be that which is described to the original retail purchaser by the authorized SPL dealer or distributor at the time of purchase. SPL does not, however, warrant its products against any and all defects: 1) arising out of materials or workmanship not
