Audio Database


35,000yen(around the 1978 time)


Rating of a mode
Form Power amplifier
Circuit system Two steps of differential amplification, the current mirrored live
two-step Darlington -- pure -- a contest -- OCL
Continuation output (an Output power, THD 0.05%)
1kHz: 55W/55W (8-ohm load)
65W/65W (4-ohm load)
20Hz - 20kHz : 50W/50W (8-ohm load)
55W/55W (4-ohm load)
THD (8 ohms, both ch(es) operation) 0.008% or less (1W output, 20Hz - 20kHz)
0.003% or less (25W output, 1kHz)
Cross modulation distortion 0.01% or less (50Hz : 7kHz = 4:1 or 8 ohms, 1W output)
Output bandwidth (THD 0.1%) 5Hz - 70kHz
Input sensitivity/impedance 1V/50kohm (1kHz, 8-ohm load)
Dumping factor 50 (20Hz - 20kHz, 8-ohm load) or more
Remains noise (8-ohm load, input end short-circuit) 0.17mV or less
Separation 1kHz : 75dB or more
20kHz : 50dB or more
The semiconductor used Transistor: 30 pieces
Diode: 18 pieces
Power source AC100V, 50Hz/60Hz
Power consumption Output power (8ohm load, both ch(es) operation, 1kHz): 186W
Dimensions Width 480x height 139x depth of 324mm
Weight 7.5kg
Attachment PIN cord x1