Yamaha IM8-32, Service Manual

Page: 5 / 307

5
IM8-40/IM8-32/IM8-24
SPECIFICATIONS
（総合仕様）
Electrical Specifications
All faders are nominal when measured. (The nominal position is 10 dB lower than the maximum position.)
Output impedance of signal generator: 150 ohms
* IM8-40: 1-40, IM8-32: 1-32, IM8-24: 1-24
MIN TYP MAX UNIT
Frequency Response STEREO OUT
GROUP OUT
AUX SEND
MONITOR OUT
REC OUT GAIN: min (MONO CH INPUT*, ST CH INPUT 1-4)
20 Hz-20 kHz
Nominal output level @ 1 kHz
Input: MONO CHs*, ST CHs 1-4, AUX RETURN,
2TR
IN
-3.0 0.0 1.0 dB
Total Harmonic Distortion (THD + N)
STEREO OUT +14 dBu @ 20 Hz-20 kHz, GAIN: min 0.1 %
Hum & Noise
Hum & Noise are measured with a
6 dB/octave
fi lter @ 12.7 kHz;
equivalent to a 20 kHz fi lter with
in fi nite dB/octave attenuation.
MONO CH INPUT* EIN (Equivalent Input Noise) Rs = 150 Ω , GAIN: max -128 dBu
STEREO OUT
GROUP OUT STEREO OUT, GROUP OUT faders at nominal level
and all CH assign switches off.
-80 dBu
AUX SEND AUX SEND faders at nominal level and all CH AUX
controls at minimum.
-75 dBu
STEREO OUT
GROUP OUT
STEREO OUT, GROUP OUT faders and one CH fader
at nominal level.
-64 dBu
STEREO OUT Residual output noise -98 dBu
Crosstalk (1 kHz) Adjacent Input MONO CH INPUT*, GAIN: min -70 dB
Input to Output STEREO OUT L/R, MOMO CH INPUT*,
PAN: panned hard left or right
-70 dB
Maximum Voltage Gain (1 kHz)
All faders and controls are maximum
when measured.
PAN/BAL: panned hard left or
hard
right.
Rs = 150 Ω
INPUT GAIN: max
From MONO CH
INPUT*
INSERT OUT (MONO CH) 60 dB
DIRECT OUT (MONO CH) 60 dB
INSERT OUT (STEREO, GROUP, MONO) 70 dB
STEREO OUT
84 dB
GROUP OUT
MATRIX OUT 90 dB
REC OUT 62.2 dB
MONO OUT 84 dB
MONITOR OUT 70 dB
PHONES OUT 79 dB
AUX SEND, PRE 80 dB
AUX SEND, POST 90 dB
INSERT OUT (AUX), PRE 66 dB
INSERT OUT (AUX), POST 76 dB
Rs = 150
Ω
INPUT GAIN: max
From ST CH
INPUT 1-4
STEREO OUT
58 dB
GROUP OUT
AUX SEND, PRE 51 dB
AUX SEND, POST 61 dB
From AUX
RETURN STEREO OUT
16 dB
GROUP OUT
AUX SEND 13 dB
From 2TR IN STEREO OUT 27.8 dB
From TALKBACK
MIC IN STEREO OUT
70 dB GROUP OUT
AUX OUT