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SPECIFICATIONS

THD
Frequency response

Max voltage gain

Hum & noise

(Rs = short, input sensitivity = -60dB,
fader @ nominal, IHF-A)

Input channel eq.

Clip indicators

Gain range

Pan attenuation
Crosstalk
Phantom power
LED display
Input impedance
Output impedance
Max. output level
Power requirements
Dimensions
Net weight

Less than 0.1% 20Hz-20kHz
20Hz-30kHz 2dB(ch 5-12 line in to main out)
20Hz-30kHz 3dB(mic in to main out)
84dB mic. channel in to stereo L & R out(balanced)
80dB mic. channel in to AUX send 2 (post-fader)
60dB channel mic in to AUX send 1 (pre-fader)
76dB channel 1-4 line in to stereo L & R out (balanced)
74dB channel 1-4 line in to AUX send 2
58dB channel 5-8 line in to stereo L & R out (balanced)
32dB AUX rtn, tape in to stereo L & R out (balanced)
38dB ch 9-12 in to stereo L & R out (balanced)
44dB channel mic in to channel insert
66dB mic. channel in to tape out
-128dB equivalent input noise
-90dB residual output noise
-72dB stereo out (master fader @ nominal,
all channel faders @ minimum)
15dB max cut/boost in 2 bands
HIGH: 12kHz shelving
LOW: 80Hz shelving
red LED lights when post-EQ signal is 3dB below
clipping level (channel/master faders at normal)
channels 1-4, -60dB to -20dB
channels 5-12, -16dB to +4dB
-65dB @ 1kHz
-85dB(1kHz, IHF-A adjacent input channels @ insert out)
+48VDC applied to balanced inputs for condenser mics
OdB = 0.775V
150 ohms to 47k ohms
600 ohms to 10k ohms
+28dBu balanced, +22dBu unbalanced
120V / 60Hz (USA & Can.), 230V / 50Hz (Europe)
303(w) x 296(d) x 83(h) mm
3.3 kg

All manuals and user guides at all-guides.com

Содержание MM122

Страница 1: ...All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 2: ...REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER ALL SERVICING TO QUALIFIED SERVICE PERSONNEL Keep this unit away from dust and dirty environment cover the unit when not in use Using a sof...

Страница 3: ...RIPTION 8 GAIN STRUCTURE AND NATURE OF NOISE 9 MODIFICATION 10 HOOK UPS INTRO 11 HOOK UPS 13 HOOK UP 1 FOUR TRACK RECORDING 13 HOOK UP 2 STEREO PA AND MONITORS 14 HOOK UP 3 SUBMIXER 15 HOOK UP 4 FOUR...

Страница 4: ...h input levels without clipping in most cases you will be able to arrange your gear so that any stereo devices without output gain are put on channels 5 6 and FRONT PANEL DESCRIPTION 7 8 and can use t...

Страница 5: ...evices two mono channels can be used for each additional stereo device For the best stereo effect the PAN controls on each channel should be panned hard left and right respectively and the same EQ and...

Страница 6: ...st setting If you have some old gear with a low output remember that channel 5 6 and 7 8 have trim It may be pos sible to switch things around to get the best results The extra gain on the fader is av...

Страница 7: ...utput faders These control the main L R output levels and the tape output levels see 24 25 JACK PANEL DESCRIPTION circuitry 20 Channel inserts These features on the four mono channels and serve a vari...

Страница 8: ...you shouldn t return effects through the input channels if you need the EQ for example 24 Tape in jacks These are a pair of RCA type mono jacks similar to those used on most tape decks and home audio...

Страница 9: ...the EQ which is the traditional place for certain pro cessors like compressor limiter and external equalizers Sometimes processing such as lim iting may be wanted post fader or a reverb on just one c...

Страница 10: ...ht or metering like the MM122 This allows you to observe the peaks and adjust the gain to avoid clipping When all the channels have been set in this way the other big bonus is that they are all conven...

Страница 11: ...ic blocks in a rough line across the circuit board of the mixer from left to right Each block contains a black jumper sitting on a group of four copper pins In the factory preset position the jumper l...

Страница 12: ...same as a widespread splitter That is simply 3 mono plugs wired together to send an output signal to two inputs Cnannel Inserts The channel inserts can be used in the follow ing ways This will tap th...

Страница 13: ...ack into the mixer through the ste reo plug s ring By this method the signal can be processed after the initial gain stage where it was boosted to a suitable level and sent on to the EQ AUXes and fade...

Страница 14: ...onitor on heaphones when recording with mics otherwise you will record your monitor output to tape 3 The stereo cassette deck can be used to record rough mixes during tracking and these can be quickly...

Страница 15: ...rrow band graphic EQs can be inserted between the power amps and the mixer to reduce feedback By sliding down the frequencies with most tendency to feedback the output level before feedback of the who...

Страница 16: ...f ways The MM122 s main outputs feed a stereo signal to the main console which can take a pre fade mix of these and the other instruments to send to the monitors Where a console with individual monito...

Страница 17: ...4 contains a MIDI sync code and so is not recorded on or played through the mixer With the key boards and drum machine synchronised to the 4 tk vocals and acoustic instruments can be recorded The stu...

Страница 18: ...System Block Diagram All manuals and user guides at all guides com...

Страница 19: ...5 8 line in to stereo L R out balanced 32dB AUX rtn tape in to stereo L R out balanced 38dB ch 9 12 in to stereo L R out balanced 44dB channel mic in to channel insert 66dB mic channel in to tape out...

Страница 20: ...All manuals and user guides at all guides com...

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