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Summary of Contents for MC1204

Page 1: ... YAMAHA Series Mixers OPERAl lNG MANUAL MC1204 C1604 MC2404 ...

Page 2: ...such exceptional flexibility and per formance at significantly reduced cost Your MC series mixer should provide you with years of trouble free perfor mance To make the most of all the features and performance it provides however we recommend that you read this operating manual thoroughly before use CONTENTS Front Panel Operation Input Channels 2 Echo Return and Group Out Sections 4 FB Oul Echo Sen...

Page 3: ...at the center position dB tl 10 t w VI Z 0 VI w Q 5 10 15 V I U IK FRE I 1 hi I J I V 1 If 1 1 1 1 I I I 1 Hz I lAo d I 100 Ik 10k W FB 1 an FB 2 send contro s FREOUENCY These controls feed a pre EO pre fader signal to the Foldback 1 and Foldback 2 busses which feed the FB 1 and FB 2 outputs respectively These busses would normally be used for stage foldback or monitor speaker systems Internal P e...

Page 4: ...monitoring of only the selected chan nel signal via the headphone output All other outputs are not affected If more than one channel is cued their signals are summed and fed to the headphone output o CH ON buHon The CH ON button turns the respective channel ON or OFF This is handy for rapid punch ins or punch outs or for temporarily killing a channel without disturbing the mix fader level 3 Channe...

Page 5: ...4 8 ECHO RETURN control This control is used to match the sensitivity of the corresponding ECHO RTN input to the output level of the external echo device used Setting this control to 8 on the scale delivers rated output for a 4 dB input level 8 CUE button Pressing the CUE button permits monitoring of only the selected echo signal via the headphone output All other outputs are not aHected GROOP ECH...

Page 6: ...ded f GROUP ON button The GROUP ON button turns the respective GROUP output ON or OFF This is handy for rapid group punch ins or punch outs or for temporarily killing a group without disturbing the mix level The GROUP ON button affects both the group XLR type out puts and the group feed to the Land R stereo buss o GROUP Master Fader The GROUP master fader controls the overall level of the correspo...

Page 7: ... CUE but10n permits monitoring of only the selected echo signal via the headphone output only GIIOO ECHO 12 4 12 1 2 0A 5if INPUT Jw l7 I CJ n iii r ECHO SEND li4dB I INPUT I J E i n2 I L ECHO SUB IN I I 1 r i r V I qj 1 FB OUT ECHO SUB IN 2 11 4dBl h 2 I V I ill FB SUB IN I F8 SUB IN 2 o CUE STEREO L CUE button Pressing the CUE but10n permits monitoring of only the stereo Signal via the L head ph...

Page 8: ... the talkback signal is sent Talkback can be sent to the group 1 2 3 or 4 busses the FB busses or the main stereo buss by engaging the corresponding switch o Talkback INPUT connector INPUT A low impedance talkback microphone can be connected here Input level impedance at this connector is 50 dB 50 250 ohms o INPUT LEVEL control Controls the level of the talkback signal Rated nominal level is achie...

Page 9: ...g XLR type connectors The phantom supply is disconnected if a plug is in serted into the HI Z TRS phone jack Always be sure to turn the PHANTOM supply OFF when not in use NOTE The PHANTOM power supply will not have any eHect on balanced dynamic microphones or line sources when ON If unbalanced sources or transformers with earthed center taps are used however hum or even damage to the connected equ...

Page 10: ...ts with a rated level impedance of 4 dB 600 ohms til STEREO OUT connectors The stereo outputs can be used to feed the power amplifiers which will drive the main house speakers in a sound reinforcement system or a stereo tape deck for recording These are balanced outputs with a rated output level impedance of 4 dB 600 ohms POWER switch Turn this switch ON to apply AC power to the mixer The VU meter...

Page 11: ...ather restrict unbalanced cables to about 10 feet 3 meters and try to set up the system so that either a the equipment involved is all connected to the same PC circuit or b the third wire PC mains ground is used on only one piece of equipment typically the mixer Break ing the ground path can create a SHOCK HAZARD When routing cables especially unbalanced cables avoid strong sources of electro magn...

Page 12: ...or proper input sensitivity Turn the Mixer Power Off and connect your outputs Turn the mixer power ON again You are now ready to adjust the remaining controls on each channel NOTE The console and all signal processing devices connected to it MUST be turned on before the power amplifiers are turned on or the turn on transient could easily cause irrepa rable damage to your loudspeakers This pro cedu...

Page 13: ... while a reverb unit is connected to the ECHO 2 SEND and RETURN The DIGITAL REVERB UNIT SPEAKER SYSTEM COMPRESSOR LIMITER DIGITAL DELAY UNIT PF 15 BALANCING DIRECT BOX BALANCING DIRECT BOX DX 7 SYNTHESIZER IN COMPRESSOR OUT _ _ _ _ 1 COMPRESSOR INSTRUMENT VOCAL MICS MICS EQUALIZER f l POWER AMP f I MONITER SPEAKER I EQUALIZER f l POWER AMP f I MONITER SPEAKER STEREO OUT connectors feed the main le...

Page 14: ...corder Compressors are connected at the insert jacks of the vocal mic channels The ECHO 1 and 2 SEND and RETURN connectors are connected to a high quality stereo plate reverb unit The FB 1 and 2 OUT connectors feed separate headphone amplifiers providing two different headphone cue mixes for the performers The STEREO OUT connectors feed the control room monitor system and the GROUP OUT connectors ...

Page 15: ...ecial effects The GROUP OUT connectors feed the power amplifiers which drive the main stage speakers STEREO ECHO and one of the FB OUTs are used to drive a back fill amp speaker system The remaining FB OUT drives a foldback system for the dressing rooms and lighting staff The STEREO OUTs are available to drive a tape deck to record the performance or a remote broadcast feed TO TAPE RECORDER OR REM...

Page 16: ...LKBACK INPUT GROUP OUT 66 dB GROUP SUB IN GROUP OUT 6 dB FB SUB IN FB OUT 6 dB ECHO SUB IN ECHO SEND 6 dB Equalizer Characteristics LOW EO 15 dB 100 Hz Shelving MID EO 15 dB 350 Hz 5 kHz Peaking HIGH EO 15 dB 10kHz Shelving Crosstalk 1 kHz MIXBUS to MIXBUS Less than 60 dB INPUT CH to Less than 60 dB INPUT CH VU Meter MC1204 MC1604 GROUP l FB 1 GROUP 2 FB 2 GROUP 31 ECHO 1 GROUP 4 ECHO 2 STEREO L R...

Page 17: ...lines 2 dB 4 dB 20dB Phone Jack 616mV 1 23V 7 75V Unbalanced IOdB XLB 3 31 10k 0 50 250 Q 62dB 50dB TALKBACKINPUT M icrophones 0 616mV 2 45mV 245mV Unbalanced OUTPUTS Output level Output terminals Output Load Max non Connector impedance impedance Rated level clipping level GROUP OUT I 4 150 0 600 0 Lines 4 dB 1 23V 22dB 9 76V XLR type Balanced STEREO OUT L R 150 0 600 0 lines 4 dB I 23V 22dB 9 76V...

Page 18: ...t cJ 11 y J y r II r r i I co 1 CI IO L T O I LQIII IOH 1 2 0 0 un G 0 IMIO Ot f L ________________ I iTT T T L _ __ _ ______ J I I Ji GROuP t SE To J 2 l ji _ GROUP OUT ROUP INSERT IT OB L e INSfRT f I J tlllilmt 1 I HHllm I t J I IGRM 6t I II PfiONES E GROUe2 r J Ll t rn l tttt r ECHO SEND GROJe3 t J T O 2 crn oJJ r GRaJP4n SUB IN Ct4IJ9l Gf llll 1111111 1 82 m r o o G 3 ...

Page 19: ...1111 111 f J01 GROUP T c_ _ t t 11 l p t 4dBJ I d 1 c t c 1 1 J GROup 1 RT v 00 G _ r J 9 i f w _ r Rl 0 1 J C L c M i 11 CMO n _ I vJ I l r _ I STEREO OUT J CMO RT Z _ V I 40BI t r r n f C J j lR_ 1 l I I o o J _ T I _ _ __ __ _ I I UI t l t b 1 w i r r n GROUP I r vj J a P fr R P2 9 V v oo J l IIII I I l GRruP39 r EC O SEND t _ J t40B I llili 2 r GRruP4 9 cve SUS IN 4cJ8l 0 0 I S 11 1 1 L l 1 F8...

Page 20: ...PAN J ST FADER I J r BA TALKBACK TALKBACK r BA F B 30 20 10 O PAD ON 1 10 20 30 TALKBACK SUB IN l LJM 0 f ECHO f ECTRONJC BALANCED OUTPUTS ONLY m i CLIPPING LEY L_____ II GROUP N 1 STEREO I OUT STEREO GROUP FB ECHO 1 I U J _ _ _ I ECHO jj I LPHONES RL aJ1 18 40 SO 60 CH INPUT GAIN 60 GROUP W OUT 1 a a STEREO OUT ...

Page 21: ...ortable I G ble wllh Shield Imaci Ground Lilt SwitCh Installed n Box or on Rack Panel Main AC Ground Perhaps the best answer to portable system grounding pro blems RFI EMI and AC noises is to develop a versatile grounding scheme Ground lift switches and adapters and a portable AC power distribution system allow different ground ing techniques to be tried easily and quickly when a pro blem occurs C...

Page 22: ...Switchable Pads and Gain co ntrols on all channels allow channel sensi tivity to be set to accept microphones electrical Instruments or ou tput from nearly any signal processing equipment lIlunlinated highly pr ecise VU meters are sWltchable to provide ac curate monitoring of program foldback echo and st ereo mixing busses the MC2404 has independen t meters for each buss built in peak LED s indica...

Page 23: ...2 7kHz nomln l 6d8 below mal Specificat ions su bjecl to chanQf wrthoLil nol lce OdS O 775V Source Inpu Input rerminliis rmp l lllnCt rmpf dance PAD GAIN OFF 10 dill 60 Ill LO Z 4 kO 50 1 0 2500 CH INPUT 11 10 241 r lClophon 20 dB Hll 10 kO U f hnes 01 120 dB I CH INSERT IN 11 1 0 241 10 kO l rlftS GROUP INSERT IN 11 10 41 5 kO 6 X O lin ECHO RETURN II 21 10 kO 6 X hnes SUB IN IGROU 110 4 FB I lC ...

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