Yamaha 12/4 Owner'S Manual Download

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MIXING CONSOLE

Owner’s Manual

MG16/4

MG12/4

Making the Most Of Your Mixer

Pages 6 to 17

Summary of Contents for 12/4

Page 1: ...MIXING CONSOLE Owner s Manual MG16 4 MG12 4 Making the Most Of Your Mixer Pages 6 to 17 E ...

Page 2: ...trical shock hazard Should this unit and AC adaptor be dropped or the cabinet be damaged turn the power switch off remove the power plug from the AC outlet and contact your dealer If you continue using the unit without heeding this instruction fire or electrical shock may result If you notice any abnormality such as smoke odor or noise or if a foreign object or liquid gets inside the unit turn it ...

Page 3: ... of their respective companies This applies only to products distributed by Yamaha Kemble Music U K Ltd 2 wires Connector pin assignments Replacing abrasive parts Influence on cell phone usage Always turn the power off when the mixer is not in use Even when the power switch is in the STANDBY position electricity is still flowing to the mixer at the minimum level When you are not using the mixer fo...

Page 4: ...r provides channel specific INSERT I O jacks for input channels 1 to 8 MG16 4 or 1 to 4 MG12 4 These jacks make it possible to insert different effectors into different channels Input channels 1 to 8 9 10 and 11 12 MG16 4 and 1 to 4 5 6 and 7 8 MG12 4 are each equipped with both an XLR mic input jack and a TRS phone type line jack Input channels 13 14 and 15 16 MG16 4 and 9 10 and 11 12 MG12 4 are...

Page 5: ...tion 3 Plug the power adaptor into a standard household power outlet Be sure to unplug the adaptor from the outlet when not using the mixer or when there are lightning storms in the area Press the mixer s power switch to the ON position When you are ready to turn the power off press the power switch to the STANDBY position Note that trace current continues to flow while the switch is in the STANDB...

Page 6: ...Just plug everything in twiddle the controls and away you go right Well if you ve done this before you won t have any problems but if this is the first time you ve ever used a mixer you might want to read through this little tutorial and pick up a few basics that will help you get better performance and make better mixes ...

Page 7: ... cassette recorder or similar gear The Versatile Phone Jack The name phone jack arose simply because this configuration was first used in telephone switchboards Phone jacks can be tricky because you can t always tell what type of signal they re designed to handle just by looking at them It could be unbalanced mono unbalanced stereo balanced mono or an insert patch point The connector s label will ...

Page 8: ...ely noise free environment Long line level runs The ambient electromagnetic noise level will be the ultimate deciding factor but balanced is best How Do Balanced Lines Reject Noise Skip this section if technical details make you queasy Balanced lines work on the principle of phase cancellation if you add two identical signals out of phase i e one signal is inverted so its peaks coincide with the t...

Page 9: ...nal average level of 10 dB Professional audio gear usually has line inputs and outputs with a nominal level of 4 dB You should always feed 10 dB inputs with a 10 dB signal If you feed a 4 dB signal into a 10 dB input you are likely to overload the input You should always feed 4 dB inputs with a 4 dB signal A 10 dB signal is too small for a 4 dB input and will result in less than optimum performanc...

Page 10: ... Equalizer Could be simple bass and treble con trols or a full blown 4 band parametric EQ When boost is applied the EQ stage also has gain You can actually overload the input channel by applying too much EQ boost It s usually better to cut than boost 3 Channel Peak LED Fader The channel peak LED is your most valuable tool for setting the input gain control for optimum performance Note that it is l...

Page 11: ...particular The thing to keep in mind is that the amount of noise added by each stage is usually not dependent to any significant degree on the level of the audio signal passing through the circuit This means that the bigger the desired signal the smaller the added noise will be in relation to it In tech speak this gives us a better signal to noise ratio often abbreviated as S N ratio All of this l...

Page 12: ...ithin a good range and this will depend on the dynamic range of your program material 1 Start by setting all level controls to their minimum master fad ers group faders if provided channel faders and input gain controls Also make sure that no EQ is applied no boost or cut and that all effects and dynamic processors included in the system are defeated or bypassed 2 Apply the source signal to each c...

Page 13: ... Post What s the difference 4 pre post A pre fader signal is taken from a point before the channel fader so the send level is affected only by the AUX send level control and not by the channel fader Pre fader sends are most commonly used to provide monitor mixes A post fader signal is taken from a point after the channel fader so its level will be affected by both the AUX send level control and th...

Page 14: ...nels faders simultaneously Group buses usually also have their own outputs so you can send the group signal to a different external destination from the main mix Channel faders Assigned to Group Controlled As a Group Stereo Master Fader Group Fader Channel faders Assigned to Stereo Controlled Individually A group of channels whose levels need to maintain the same relationship a drum mix for exampl...

Page 15: ...imiter to a specific channel although they can be used with just about any type of in out processor Channel insert jacks must be used with a special insert cable that has a TRS phone jack on one end and mono phone jacks on the split Y end One of the mono phone jacks carries the send signal to be fed to the input of the external processor and the other carries the return signal from the output of t...

Page 16: ...st right then bring in the bass and drums to support the overall sound Example2 Funky R B Groove The approach will be totally different if you re mixing a funky R B number that centers on the groove In this case most engineers will start with the drums and then add the bass The relation ship between the drums and bass is extremely important to achieve the drive or groove the music rides on Pay par...

Page 17: ...oost can give certain instruments more air Listen and if things don t sound clear and clean try using cut to remove frequencies that are cluttering up the mix rather than trying to boost the mix into clarity One of the biggest problems with too much boost is that it adds gain to the signal increasing noise and potentially overloading the subsequent cir cuitry 5 4 Ambience Judicious application of ...

Page 18: ...low 80 Hz 4 Equalizer HIGH MID and LOW This three band equalizer adjusts the channel s high mid and low frequency bands Setting the knob to the position pro duces a flat frequency response Turning the knob to the right boosts the corresponding frequency band while turning to the left attenuates the band The following table shows the EQ type base frequency and maximum cut boost for each of the thre...

Page 19: ...e this knob provides both PAN and BAL controls 9 10 and 11 12 on the MG16 4 5 6 and 7 8 on the MG12 4 the knob operates as a PAN control if you are inputting through the MIC jack or into the L MONO input only and operates as a BAL control if you are inputting into both L and R inputs 8 ST Switch This switch assigns the channel s signal to the Stereo L and R buses To send the signal to the Stereo b...

Page 20: ... L MONO jack only the mixer outputs the identical signal to both the L and R Stereo buses 6 2TR IN Control Adjusts the level of the signal sent from the 2TR IN jack to the Stereo bus 7 PHANTOM 48 V Switch This switch toggles phantom power on and off If you set the switch on the mixer supplies power to all channels that provide XLR mic input jacks CHs 1 8 9 10 11 12 on MG16 4 1 4 5 6 7 8 on MG12 4 ...

Page 21: ...the Group or Stereo signal is sent instead as determined by the ST GROUP toggle switch 9 C R PHONES Control Controls the level of the signal output to the PHONES jack and the C R L and R jacks 0 Level Meter This LED display shows the level of the signal selected by the selection switches described in 8 above the level to the C R OUT and PHONES jacks The 0 point corresponds to the standard output l...

Page 22: ...provided phone type MG16 4 CHs 9 10 to 15 16 MG12 4 CHs 5 6 to 11 12 and RCA pin type MG16 4 CHs 13 14 15 16 MG12 4 CHs 9 10 11 12 Where a channel provides both a phone jack and an RCA pin jack you may use either one of these jacks but you may not use both at the same time Please connect to only of these jacks on each channel 4 GROUP OUT 1 2 Jacks These are impedance balanced phone type output jac...

Page 23: ...ks when you want to connect a CD or DAT directly to the mixer for monitoring You can adjust the signal level using the 2TR IN control in the Master Control section A POWER Switch Use this switch to set mixer power to ON or STANDBY Note that trace current continues to flow while the switch is in the STANDBY position If you do not plan to use the mixer again for a long while be sure to unplug the ad...

Page 24: ...Where an input channel provides both a MIC INPUT jack and a LINE INPUT jack you may use either one of these jacks but you may not use both at the same time Please connect to only one of these jacks on each channel 3 Power up the devices in the following order Peripheral devices mixer power amps or powered speakers When shutting the system down turn off the power in the opposite order Power amps po...

Page 25: ... 1 PRE ST DI DI Microphones Monitor Speakers Internal Power Amp Effector Synthesizer Effector Bass Guitar CD Cassette or DAT Recorder Microphones Headphones Guitar Main Speakers External Example of Speaker Arrangement Audience External Stage Internal Drums CD Player Power Amp ...

Page 26: ...eft support to the right side and the right support to the left side as shown in the drawing Do not install the mixer near power amps or other heat generating devices Mounting the MG12 4 1 Two metal rack mount supports are screwed onto the unit Use a screwdriver to remove these supports 2 Turn the supports over and fasten them into place again using the same screws 3 Mount the unit into the rack a...

Page 27: ...D POST 58 dB CH LINE INPUT GROUP OUT ST OUT CH to ST 84 dB ST CH MIC INPUT GROUP OUT ST OUT CH to ST 58 dB ST CH LINE INPUT GROUP OUT ST OUT ST to ST 47 dB ST CH LINE INPUT AUX SEND PRE 57 dB ST CH LINE INPUT AUX SEND POST 34 dB ST CH INPUT GROUP OUT ST OUT ST to ST 16 dB AUX RETURN ST OUT 9 dB AUX RETURN AUX SEND 27 8 dB 2TR INPUT ST OUT Monaural Stereo Input Gain Control 44 dB variable Monaural ...

Page 28: ... XLR 3 31 type balanced 16 36 dBu 12 3 mV 16 dBu 123 mV 10 dBu 245 mV ST CH LINE INPUT MG16 4 CH9 L CH10 R CH11 L CH12 R MG12 4 CH5 L CH6 R CH7 L CH8 R 34 10 kΩ 600 Ω line 54 dBu 1 55 mV 34 dBu 15 5 mV 14 dBu 155 mV Phone jack unbalanced 10 10 dBu 245 mV 10 dBu 2 45 V 30 dBu 24 5 V ST CH INPUT MG16 4 CH13 L CH14 R CH15 L CH16 R MG12 4 CH9 L CH10 R CH11 L CH12 R 10 kΩ 600 Ω line 30 dBu 24 5 mV 10 d...

Page 29: ...pendix MG16 4 MG12 4 29 MG16 4 MG12 4 Dimensional Diagrams 393 31 5 309 6 D 416 6 H 108 101 3 3 W 423 428 27 5 480 When mounted on rack 317 4 D 416 6 325 6 102 6 2 H 108 W 322 480 322 When mounted on rack ...

Page 30: ...Appendix MG16 4 MG12 4 30 Block Diagram and Level Diagram ...

Page 31: ...aly Tel 02 935 771 SPAIN PORTUGAL Yamaha Hazen Música S A Ctra de la Coruna km 17 200 28230 Las Rozas Madrid Spain Tel 91 201 0700 SWEDEN Yamaha Scandinavia AB J A Wettergrens Gata 1 Box 30053 S 400 43 Göteborg Sweden Tel 031 89 34 00 DENMARK YS Copenhagen Liaison Office Generatorvej 8B DK 2730 Herlev Denmark Tel 44 92 49 00 NORWAY Norsk filial av Yamaha Scandinavia AB Grini Næringspark 1 N 1345 Ø...

Page 32: ...M D G Pro Audio Digital Musical Instrument Division Yamaha Corporation 2002 Yamaha Corporation V981800 210CRCR5 3 01A0 Printed in China Yamaha Manual Library http www2 yamaha co jp manual english ...

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