Instruction/ maintenance manual of the product MMC2 Sound Performance Lab
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Manual Multichannel Mastering Console MMC 2 6 R t/o RS 4 LFE 2 R 8 Dim Mute D im 1 -10 dB D im 2 -20 dB D im 3 -30 dB Stereo A Stereo B M-CH. A M-CH. B Return On Insert On S tereo Operation M ono L/R M-CH.
2 Manual V ersio n 1 , 10 / 2005 R & D: Wolf gang Neumann The info rmati on in this docum ent has be en carefull y verifi ed and is as sumed to be cor rect . However Soun d Per forman ce Lab ( SPL) res er ves the r ight to modif y the pro duc t describ ed in this manual at any tim e.
3 Contents Fa de In ................................................................................................ 4 Si gn al Fl ow .......................................................................................... 5 Fr ont Panel ...........
4 Th e MMC 2 mul tichannel mas tering console completes t he range of SPL 1 20 V mas tering console s. Hous ed in a 19” / 11U rack m ount chas sis the MMC 2 featu res th e same un ique 120 volts r ails like th e MMC 1 and DMC dual -channel mas tering console to achie ve the optimum audio per for mance.
5 Signal Flow Balanced input receivers 2x ST EREO INPUTS (balanced) 8 channel bus insert send/ return (bal. drivers and receivers) 2x M-CH. INPUTS (balanced) 2x ST EREO RETURNS (bal. receiver) 4x M-CH. RETURNS (bal. receiver) Monitoring/Speaker Management ON, SOL O, MONO, SOL O T O CENTER, L/C/R T O LFE, S TEREO-/M-CH.
6 Fr ont Panel 6 R t/o RS 4 LFE 2 R 8 Dim Mute D im 1 -10 dB D im 2 -20 dB D im 3 -30 dB Stereo A Stereo B M-CH. A M-CH. B Return On Insert On S tereo Operation M ono L/R M-CH.
7 Control Elements Sourc es The So u rces sec tion provides s elect ion options for se veral stereo and mul tichannel input and retur n sources . The retur ns are ideally suited to sele ct recorders , DA W, audio players, and so on. All Inp ut b utton s allow f or switching b et ween the inpu t monitoring mo de and the outp ut monito ring mode.
8 Inser t/Return The MMC 2 of fer s an Inser t/Return p oint af ter the Input T rim s to include ex ternal processin g equi pment int o the si g na l path. Monitor ing Mo nitoring f unct ions comprise a Speaker M anagement sec tion, a Moni t ors s elect ion section a n d the M onitor Level f ader .
9 Monitor Leve l The Mon it or Leve l is controlle d with a cus t om- made eight-tiered p ot entiom eter . T he MMC 2 does n ot employ DACs , step ladders or VC A s for th is func tion, and t he speci.
10 Option: Master Bay Th e MMC 2 c an optionally be complemented wi th an automated inser t box calle d MasterBay . The MasterBa y consi s ts o f a n 8U in ser t b ox and a remote cont rol panel. Up to eigh t 8- channel proces sors c an be connec ted to the ins ert b ox, w hich is operate d by the Master Bay r emote panel.
11 Re ar Panel/XL R Wiring/Metering Out R L 1 R 2 C 3 LFE 4 LS 5 RS 5 L t/o 7 L R t/o 8 M-CH. Stereo RETURN M-CH. A V D C B 516-38 EDAC A E F H J K P N M L R S T U W Y X Z A A A D A E A F A H A N A M A L A K A J A P A R A S A T A C A B C ANADA L 1 R 2 C 3 LFE 4 LS 5 RS 5 L t/o 7 R t/o 8 M-CH.
12 Measurements A ud io P r ec i s io n 09/ 20/ 05 11: 41: 11 IN PU T/ OU TPUT P HA SE v s FREQU E NC Y SPL I N-OUT PHA SE. at2c M easu r es p hase d i f f er en c e b et ween Input t o DU T and Output f rom D U T. Op ti mi z e t o see t he en t ir e r ang e.
13 Measurements A ud io P r ec i s io n 09/ 20/ 05 11: 50: 46 IN PU T/ OU TPUT P HA SE v s FREQU E NC Y SPL I N-OUT PHA SE. at2c M eas ures phas e diff e r e nc e betwee n Input t o D UT a nd Out put fr om D U T. Op ti mi z e t o see t he en t ir e r ang e.
14 Measurements A ud io P r ec i s io n 09/ 20/ 05 12: 12: 45 TH D+N v s AM P LI T UD E T HD+ N V S A M PL 2CH. at 2c Cy an : only on Gree n : LF-ba nd Ye llow : LM F-ba nd Red : M F-ba nd Ma g e nt a.
15 Measurements A ud io P r ec i s ion 09/21/ 05 09: 27: 55 MA STER FA DER GA IN - FREQU ENCY RESPONSE Pege l In-Out.at2c Freque ncy R es ponse f rom 2 0k t o 2 0 H z . F4 first t o se t 0 dB r at 1kH z . The 2 Ch A m pl Func t ion R ea ding me t e r BW is set t o < 10 Hz >500k Hz so t he b a ndwidt h is the s am e as t he Le v e l me t e r .
16 Measurements A ud io P r ec i s ion 09/26/ 05 15: 29: 10 LF E to LC R cal . t o -1 0dB Pege l In-Out.at2c Freque ncy R es ponse f rom 2 0k t o 2 0 H z . F4 first t o se t 0 dB r at 1kH z . The 2 Ch A m pl Func t ion R ea ding me t e r BW is set t o < 10 Hz >500k Hz so t he b a ndwidt h is the s am e as t he Le v e l me t e r .
17 Measurements A ud io P r ec i s ion 09/21/ 05 09: 25: 35 GA I N - FREQU EN CY RESPON SE Pege l In-Out.at2c Freque ncy R es ponse f rom 2 0k t o 2 0 H z . F4 first t o se t 0 dB r at 1kH z . The 2 Ch A m pl Func t ion R ea ding me t e r BW is set t o < 10 Hz >500k Hz so t he b a ndwidt h is the s am e as t he Le v e l me t e r .
18 Measurements A ud io P r ec i s ion 09/21/ 05 09: 47: 00 MA STER M ON ITOR GA IN - FREQU EN CY RESPON SE Pege l In-Out.at2c Freque ncy R es ponse f rom 2 0k t o 2 0 H z .
19 Dynamic Range ›130 dB Max. input level ›30 dBu (Audio Precision generator limit +30 dBu) THD & Noise (+24 dBu) Re cording Out: ›110 dBu Monitor Out: ›108 dBu Send: ›110 dBu Input impe.
20 W arranty SPL elec tronic s Gm bH (SP L) produc t s are war ran ted only in t he count r y where pu rchas ed, throu gh the authorized SPL distri butor in that cou ntr y, agains t defect s in mater ial or work man- ship.
An important point after buying a device Sound Performance Lab MMC2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sound Performance Lab MMC2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sound Performance Lab MMC2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sound Performance Lab MMC2 you will learn all the available features of the product, as well as information on its operation. The information that you get Sound Performance Lab MMC2 will certainly help you make a decision on the purchase.
If you already are a holder of Sound Performance Lab MMC2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sound Performance Lab MMC2.
However, one of the most important roles played by the user manual is to help in solving problems with Sound Performance Lab MMC2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sound Performance Lab MMC2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
