4 point switching type (200Hz / 400Hz / 570Hz / 800Hz / FLAT)
Mid range-High range:
4 point switching type (2.5kHz / 3.5kHz / 5kHz / 7kHz / FLAT)
[Diving slope]
Low range-Mid range:
2 step switching type (6dB / oct., 12dB / oct.)
Mid range-High range:
2 step switching type (6dB / oct., 12dB / oct.)
Overall frequency characteristics:
10Hz to 10kHz, ±1.5dB
Crosstalk:
60dB or more (1kHz)
[Gain]
Low range:
-4dB
Mid to high range:
-1dB
Maximum input voltage:
5V
Distortion ratio (For each channel):
0.05% or less (At 1V input)
S / N ratio:
Over 103dB (1V input)
Input impedance:
100kΩ
Output impedance:
Low range - 1.5kΩ
Middle to high range - 100Ω
Attached circuit:
Mid to high range left and right independent level control
Cutoff slope switching mechanism
Direct output terminal
Switchable to 2channel and flat amp
Semiconductor used:
Transistors - 11 pieces
Diodes - 2 pieces
Power supply voltage:
AC 100V / 117V, 50 / 60Hz
Power consumption:
3W
External dimensions (W x H x D):
408 x 134 x 280mm
Weight:
5.4kg
Year:
1970
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