Mackie SR244 / SR324 Owner's Manual - Page 29
Rear Panel
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REAR PANEL All the audio and power connectors for the SR24•4 are mounted on the rear panel, along with the POWER and PHANTOM switches. INPUT CONNECTORS 1-20 Input channel strips 1-20 (1-28 on the SR32•4) are identical, and so are their input and output connections. Each of these channels has a microphone input connector, a line input jack and a channel insert jack. MIC INPUTS The microphone input to each channel strip is made through a standard 3-pin female MIC connector (sometimes called an XLR or a Cannon connector), which is the largest of the three connectors for each channel strip [1]. This is a balanced input which will accept levels from -60dBu to +14dBu, depending on the TRIM control setting. Input clipping is at a level of 14dB. This input is not for line-level devices. Phantom power for powering condenser microphones is available on every microphone input. The global PHANTOM switch near the ppoowweerrccoordrdcocnonencetcotrotrutrunrsnpshpahntaonmtpoomweproowneorroonffoforroaflflf2o0rmalilc2in0pmutics. See iAnpppuetnsd. iSxeDe fAoprpmeonrdeiixnfCo.for more info. Pin 1 is connected to grouunndd,,ppiinn22 is signal "hot" (or "higghh"" oorr""++"")),,aanndd pin 3 is siggnnaall""ccoolldd""((oorr"l"oloww" "oror"-""-)".). See FiigguurreeAA.. LINE IINNPPUUTTSS The LINE IINNccoonnnneeccttioionn[[22]]foforr each cchhaannnneellsstrtirpipisislolcoactaetdejdusjut astboavbeove the MICCccoonnnneeccttoor,r,aannddisismmadaedethrough ath1r/o4"uTgRhSa(1t/i4p"-rTinRgS-s(leteipv-er)inpgh-osnleeejvaec)k. Tphoisnies ajabcakl.anTcheids ilsinae binaplauntcwehdiclhinweililnapcuctewpthincphuwt ilellvaeclscferpomt in-p4u0dtBleuvteols from +-4202dBu,tdoep+e2n2ddiBngu,odnetphenTdRinIMg ocnontthroel sTeRttIiMng.cIonnpturtocl lsipepttininggi.sIantpaultevcellipopf 2in2gdBis. Aats awiltehveallooff2o2udrBb.alAasncweidthinapllutosf, othuer SbaRl2a4n•c4e'sdlinepuintps,uths earSeRju2s4t•a4s'shlaipnpeyirne-cpeuitvsinagreanjuusntbaaslahnacpepdysirgencaeliv(itnipg-saleneve, guunibtarl-atnypcedplsuigg)n.al (tip-sleeve, guitartypTehpelusgle)e.ve of the jack is connected to groTunhde,sthleeetviep iosfstighneajla"chkoti"s(coorn"hnieghct"eodr "t+o"), agrnodutnhde, rthinegtispsiisgsniagln"aclo"lhdo"t("o(ror"lo"hwig"ho"ro"-r "")+."), Sanede tFhigeurriengB.is signal "cold" (or "low" or "-"). See Figure B. 20 INSERT LINE IN (BAL OR UNBAL) MIC 20 SHIELD 2 HOT COLD 3 1 SHIELD 1 COLD 3 2 HOT 1 3 2 SHIELD COLD HOT Figure A: Balanced XLR Connectors RING SLEEVE SLEEVE RING TIP TIP RING TIP SLEEVE Figure B: Tip-Ring-Sleeve (TRS) Stereo Connector 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT LINE IN (BAL OR UNBAL) MIC 18 LINE IN (BAL OR UNBAL) MIC 17 LINE IN (BAL OR UNBAL) MIC 16 LINE IN (BAL OR UNBAL) MIC 15 LINE IN (BAL OR UNBAL) MIC 14 LINE IN (BAL OR UNBAL) MIC 13 LINE IN (BAL OR UNBAL) MIC 12 LINE IN (BAL OR UNBAL) MIC 11 LINE IN (BAL OR UNBAL) MIC 10 LINE IN (BAL OR UNBAL) MIC 9 LINE IN (BAL OR UNBAL) MIC 8 LINE IN (BAL OR UNBAL) MIC 7 LINE IN (BAL OR UNBAL) MIC 6 LINE IN (BAL OR UNBAL) MIC 5 LINE IN (BAL OR UNBAL) MIC 4 LINE IN (BAL OR UNBAL) MIC 3 LINE IN (BAL OR UNBAL) MIC 2 LINE IN (BAL OR UNBAL) MIC 1 OO RIGHT MAIN OUT LEFT MAIN OUT OUTPUT LEVEL +6 MONO MAIN OUT BALANCED OUTPUTS PIN 2 = HOT PIN 3 = COLD TM CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE • WA 98072 • USA • MADE IN USA • FABRIQUE AU USA SR24•4 24•4 4 BUS MIXING CONSOLE INSERT STEREO PLUG TIP OUT TO EFFECTS DEVICE RING RETURN FROM EFFECTS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN REPLACE WITH THE SAME TYPE FUSE AND RATING. DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. AVIS: RISQUE DE CHOC ÉLECTRIQUE - NE PAS OUVRIR UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE. DEBRANCHER AVANT DE REMPLACER LE FUSIBLE SERIAL NUMBER MANUFACTURING DATE 27