Technics SU-50A 

Technics SU-50A
audio-database...
Music power:
120W (4ohms)
80W (8ohms)
50W (16ohms)
Output power:
40W/40W (4ohms)
30W/30W (8ohms)
20W/20W (16ohms)
Frequency characteristic (at the time of an Output power): 5Hz - 150kHz
S/N ratio: 95dB or more
Input sensitivity/impedance: 1V/50kohm
Dumping factor: 150 (8ohms)
Conformity load impedance: 4ohm-16ohm
Input sensitivity/impedance (1kHz, Volume max):
Phono1, 2:1mV / 47kohm
Tuner: 100mV / 70kohm
Aux1, 2:100mV / 70kohm
Maximum permissible input (1kHz, 0.1% of distortion):
Phono1, 2:140mV
Tuner:10V
Aux1, 2:10V
An Output voltage/impedance:
Output power : 1V / 3kohm (Low)
5V/200 ohm (High)
Maximum output (1kHz, 0.1% of distortion) : 1.8V(Low)
9V(High)
Tapes monitor:
Rec out: 100mV/200 ohms
Playback: 100mV / 70kohm
Rec/Play(DIN): 30mV / 60kohm (IN)
100mV / 70kohm (OUT)
SN ratio Input short-circuit:
Phono1, 2: 70dB or more
Tuner: 90dB or more
Aux1, 2: 90dB or more
THD: 0.1 or less
Tone control:
Bass: +15dB--15dB
Turnover frequency: 250Hz, 500Hz
Treble: +15dB--15dB
Turnover frequency: 2.5kHz, 5kHz
Filter:
Low-pass: 30Hz-12dB / oct
High region: 8kHz-12dB / oct
Muting: -20dB
Power consumption: 175VA
Power source: AC100V/117V/220V/240V, 50/60Hz
Weight: 13.5kg