Appendix
MW12 Owner’s Manual 25
Appendix

Specifications

■Electrical Characteristics

Where 0 dBu = 0.775 Vrms
Output impedance of signal generator: 150 ohms

■General Specifications

Conditions MIN TYP MAX UNIT
Total Harmonic Distortion
(MIC to ST OUT)
(THD+N) 20 Hz-20 kHz @ +14 dBu 600 ohms, GAIN controls at
minimum level, all faders at nominal level 0.1 %
Frequency Response
(CH INPUT 1-11/12 to ST OUT, GROUP
OUT, AUX SEND, C-R OUT, REC OUT)
20 Hz-20 kHz, nominal output level@1kHz, 600 ohms (ST OUT), 10 k
ohms (GROUP OUT, AUX SEND, C-R OUT, REC OUT), GAIN
controls at minimum level (CH INPUT 1-7/8), all faders at nominal
level
–3 0 1 dB
Hum & Noise
Rs=150 ohms, Gain=Maximum, Hum &
Noise are measured with a -6 dB/octave
filter @12.7 kHz; equivalent to a 20 kHz
filter with infinite dB/octave attenuation.
Equivalent Input Noise (CH INPUT 1-4 MIC) –128 dBu
Residual Output Noise 600 ohms (ST OUT) –100 dBu
ST, GROUP master faders at nominal level and all channel GROUP
switches and ST switches are off. (ST, GROUP OUT) –88
(92 dB S/N) dBu
AUX master control at nominal level and all channel mix controls at
minimum level. (AUX SEND) –81
(85 dB S/N) dBu
ST, GROUP master faders and one channel fader at nominal level. (ST,
GROUP OUT) –64
(68 dB S/N) dBu
Maximum Voltage Gain (1 kHz)
PAN/BAL: panned hard left or hard right.
CH INPUT 1-4 MIC to CH INSERT OUT (10 k ohms), Rs=150 ohms,
GAIN controls at maximum level 60 dB
CH INPUT 1-7/8 MIC to ST OUT (600 ohms), GROUP OUT (10 k
ohms), Rs=150 ohms, GAIN controls at maximum level 84 dB
CH INPUT 1-7/8 MIC to ST OUT (600 ohms), GROUP to ST, Rs=150
ohms, GAIN controls at maximum level 94 dB
CH INPUT 1-7/8 MIC to REC OUT (10 k ohms), Rs=150 ohms, GAIN
controls at maximum level 62.2 dB
CH INPUT 1-4 MIC to AUX SEND (10 k ohms), Rs=150 ohms, GAIN
controls at maximum level, PRE 76 dB
CH INPUT 1-4 MIC to AUX SEND (10 k ohms), Rs=150 ohms, GAIN
controls at maximum level, POST 86 dB
CH INPUT 5/6-7/8 LINE to ST OUT (600 ohms), GROUP OUT (10 k
ohms), Rs=150 ohms, GAIN controls at maximum level
58 dB
CH INPUT 5/6-7/8 LINE to AUX SEND (10 k ohms), Rs=150 ohms,
GAIN controls at maximum level, PRE 47 dB
CH INPUT 5/6-7/8 LINE to AUX SEND (10 k ohms), Rs=150 ohms,
GAIN controls at maximum level, POST 57 dB
CH INPUT 9/10-11/12 to ST OUT (600 ohms), GROUP OUT (10 k
ohms), Rs=150 ohms, GAIN controls at maximum level 34 dB
RETURN to ST OUT (600 ohms), Rs=150 ohms 16 dB
RETURN to AUX SEND(10 k ohms), Rs=150 ohms 9dB
2TR IN to ST OUT (600 ohms), Rs=600 ohms 27.8 dB
Crosstalk (1 kHz) Adjacent inputs –70 dB
input to output –70 dB
Monaural/Stereo CH High Pass Filter 80 Hz 12 dB/octave
Monaural/Stereo CH Equalization
Turn over/roll-off frequency of shelving, 3 dB below maximum
variable level
±15 dB (Max. Variation)
HIGH: 10 kHz (shelving)
MID: 2.5 kHz (peaking)
LOW: 100 Hz (shelving)
Phantom Power Supplied when Phantom +48 V switch is ON. (XLR-type input jacks)
Monaural/Stereo Input PEAK Indicator On each channel: red indicator lights if post-EQ signal (on ST channels, if either post-EQ signal or
post-mic-amp signal) comes within 3 dB of the clipping level.
USB Audio Input/Output: 44.1/48 kHz
Included Accessories Power adaptor (PA-20), CD-ROM, USB cable
Power Consumption 29 W
Dimensions (W × H × D) 322 mm × 108 mm × 416.6 mm
Net Weight 5 kg
Temperature Range Operating temperature: 0 to 40 °C, Storage temperature: -20 to 60 °C

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