Yamaha MW12 Manual Do Utilizador

Appendix

MW12 Owner’s Manual

25

■

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

■

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

9

dB

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