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Appendix
Electrical Characteristics
Output impedance of signal generator : 150 ohms
Frequency Response
20Hz-20kHz, reference to the nominal output level @1kHz
Input
MONO INPUT [1-6]
STEREO INPUT [1L/R-4L/R]
STEREO INPUT [1L/R-4L/R]
OPTICAL IN
OPTICAL IN
Total Harmonic Distortion
@1kHz
Input
MONO INPUT [1-6]
MONO INPUT [1-6]
STEREO INPUT [1L/R-4L/R]
STEREO INPUT [1L/R-4L/R]
* Total Harmonic Distortion are measured with a 22kHz low pass filter
EIN (EIN=Equivalent Input Noise)
Input
MONO INPUT [1-6]
* EIN are measured with a IHF-A filter
Hum & Noise
Input
–
–
* Hum & Noise are measured with a DIN AUDIO filter
Crosstalk
@1kHz
from/to
CH N
CH N
Maximum voltage gain
@1kHz
Input
MONO INPUT [1-6]
MONO INPUT [1-6]
Phantom Voltage
Output
MONO INPUT [1-6]
Indicator turn on level
Input
MONO INPUT [1-6]
STEREO INPUT [1L/R-4L/R]
–
Level Meter turn on level
Input
–
22
IMX644 Owner's Manual
Output
RL
OUTPUT [1-4]
10KΩ
OUTPUT [1-4]
10KΩ
REC OUT [L, R]
10KΩ
OUTPUT [1-4]
10KΩ
REC OUT [L, R]
10KΩ
Output
RL
OUTPUT [1-4]
10KΩ
+4dBu@1kHz, GAIN: MAX, PAD: OFF
OUTPUT [1-4]
10KΩ
+4dBu@1kHz, GAIN: MIN, PAD: ON
OUTPUT [1-4]
10KΩ
+4dBu@1kHz
REC OUT [L, R]
10KΩ
-4dBV@1kHz
Output
RL
Rs=150Ω, GAIN:MAX, PAD: OFF
OUTPUT [1-4]
10KΩ
OUTPUT level control at nominal level and one
INPUT level control at nominal level.
Output
RL
OUTPUT [1-4]
10KΩ
all level control at minimum level
REC OUT [L, R]
10KΩ
all level control at minimum level
to/from
CH (N-1) or (N+1)
all adjacent inputs
CH (N-1) or (N+1)
all adjacent outputs
Output
RL
OUTPUT [1-4]
10KΩ
Rs=150Ω, GAIN: MAX, PAD: OFF
REC OUT [L, R]
10KΩ
Rs=150Ω, GAIN: MAX, PAD: OFF
Conditions
Min.
hot & cold: No load
46
Output
Conditions
PEAK
red LED:
–
SIGNAL
green LED:
PEAK
red LED:
OUTPUT [3, 4]
SIGNAL
green LED:
Output
Conditions
PEAK
red LED:
-8
orange LED:
-14
orange LED:
OUTPUT [1,2]
-20
green LED:
-32
green LED:
-44
green LED:
Conditions
–
–
–
–
–
Conditions
Conditions
Conditions
Conditions
Conditions
Typ.
Max.
Unit
48
50
V
Min.
Typ.
Max.
ON
-4
-2
ON
-42
-38
-34
ON
-4
-2
ON
-48
-44
-40
Min.
Typ.
Max.
ON
-4
-2
ON
-10
-8
-6
ON
-16
-14
-12
ON
-22
-20
-18
ON
-34
-32
-30
ON
-48
-44
-40
Min.
Typ.
Max.
Unit
-1.5
0.0
0.5
dB
-1
0.0
0.5
dB
-1
0.0
0.5
dB
-1
0.0
0.5
dB
-1
0.0
0.5
dB
Min.
Typ.
Max.
Unit
–
–
0.1
%
–
–
0.08
%
–
–
0.1
%
–
–
0.1
%
Min.
Typ.
Max.
Unit
–
–
-120
dBu
Min.
Typ.
Max.
Unit
–
–
-82
dBu
–
–
-90
dBV
Min.
Typ.
Max.
Unit
–
–
-70
dB
–
–
-70
dB
Min.
Typ.
Max.
Unit
–
58
–
dB
–
52.2
–
dB
Unit
0
dBFs
dBFs
0
dBFs
dBFs
Unit
0
dBFs
dBFs
dBFs
dBFs
dBFs
dBFs
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