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Technic details
Specifications
Type:
Tube bulb control amplifier
Frequency response:
10Hz to 30kHz, ±0.5dB
Total harmonic distortion:
Less than 0.08% (At output voltage 2V)
Output voltage (1kHz):
Rating - 2V (Distortion rate: 0.05% or less)
Maximum - 20V (strain rate: 0.3% or less)
Input sensitivity (At 1V output):
Phono 1, 2 - 1.3mV
AUX 1, 3 - b130mV or more
AUX 2, Monitor - 130mV
MIC - 0.6mV
Center MIC - 0.8mV
Input impedance:
Phono 1 - 100kΩ, 50kΩ, 30kΩ
Phono 2 - 50kΩ
AUX 1, 3, Monitor - 110kΩ
AUX 2 - 200kΩ
MIC - 33kΩ
Center MIC - 75kΩ
[S / N ratio (Center of output regulator, input short)]
No correction:
Phono 1, 2 - 64dB or more
AUX 1, 2, 3, Monitor - 77dB or more
MIC, Center MIC - 56dB or more
IHF-A correction:
Phono 1, 2 - 75dB or more
AUX 1, 2, 3, Monitor -85dB or more
MIC, Center MIC -63dB or more
Tape monitor switch and terminal AC outlet
Step-up transformer insertion socket
[Semiconductor used]
Vacuum tube (7 pieces):
12AX7 - 5 pieces
12AU7 - 2 pieces
Diode (8 pieces):
DS16A - 4 pieces
DS16C - 4 pieces
Power supply voltage:
AC 100V, 50 / 60Hz
Power consumption:
30W
External dimensions (W x H x D):
476 x 190 x 275mm
Weight:
12kg
Year:
1970
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