Sound Performance Lab MMC2 manual

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Table of contents for the manual

  • Page 1

    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. Operation LC R L S R S LFE L t/o R t/o Solo Solo Solo Solo Solo Solo Solo Solo Solo to Center Mono LS/RS LFE to L/C/R M ono L t/o /R t/o MMC 2 S[...]

  • Page 2

    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. Changes wi thout notice. T his document is the prop er ty of[...]

  • Page 3

    3 Contents Fa de In ................................................................................................ 4 Si gn al Fl ow .......................................................................................... 5 Fr ont Panel .......................................................................................... 6 Control E l ement[...]

  • Page 4

    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. The purpo s e of the developm ent was t he c[...]

  • Page 5

    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. OPERA T ION MONIT OR SELECTIO[...]

  • Page 6

    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. Operation LC R L S R S LFE L t/o R t/o Solo Solo Solo Solo Solo Solo Solo Solo Solo to Center Mono LS/RS LFE to L/C/R M ono L t/o /R t/o MMC 2 Stereo Input A Stereo Input B [...]

  • Page 7

    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. Pre[...]

  • Page 8

    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 . 1. S p ea k er M an a ge me nt Eac h l ou ds pe ak[...]

  • Page 9

    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 specifi ca- tions of thi s pot entio mete r ar e subs tantially b etter t han either of the se other opti ons ever cou ld be – th e max imum tolerance i[...]

  • Page 10

    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. With the Mast erBa y the [...]

  • Page 11

    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. RETURN M-CH. B V D C B 516-38 EDAC A E F H J K P N M L R[...]

  • Page 12

    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. -70 +4 0 -60 -50 -40 -30 -20 -10 +0 +1 0 +2 0 +3 0 d e g 20 100k 50 100 200 500 1k 2k 5k 1[...]

  • Page 13

    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. -70 +3 0 -60 -50 -40 -30 -20 -10 +0 +1 0 +2 0 d e g 20 100k 50 100 200 500 1k 2k 5k 10k 20k [...]

  • Page 14

    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 : H MF-band B lue : HF- band - 120 +0 - 100 -80 -60 -40 -20 d B -40 +30 -30 -20 -10 +0 +10 +2 0 dBu MMC 2 CHA NN E L 1-8 D i re ct ,Pre ,Ins ert,R et[...]

  • Page 15

    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 .[...]

  • Page 16

    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 . Optimize for[...]

  • Page 17

    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 . Optimize fo[...]

  • Page 18

    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 . 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 [...]

  • Page 19

    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 impedance (balanced): 20 kOhm (Welwyn pr ecision resistors, transformerless) Output impedance (balanced): ‹75 Ohm (CMR trimmers, transformerless) Dimens[...]

  • Page 20

    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. T he spec ifi c p eri od of this l imited w ar rant y shal l be tha t which i s desc ribe d to the or igin al retail purchas e[...]