Ok...picked up the Sansui up in Berkeley this morning. It looks brand new, with the original box, packing, tons of papers and wrapped unused handles.
I'm surprised it sounds really good!
Here are the specs.
Track: 4-track (2 channel stereo)
Tape speed: 4.8 cm/sec (1-7/9 ips)
Heads: record/playback FH head
Erase: Double gap ferrite head
Motor: capstan: electronically controlled DC motor
Wow and flutter: within 0.04% WRMS
Freq. response (record/playback)
Normal (LH) (-20VU)...20 to 16,000Hz
(20 to 15,000Hz plus minus 3 db)
Meta (-20 VU)...20 to 18, 000Hz
(20 to 16,000 Hz plus minus 3 db)
(0 VU)...20 to 13,000 Hz plus minus 3 db
Signal to noise ratio (record/playback)
Metal tape without Dolby better than 59 dB (weighted)
With Dolby better than 69 dB (above 5 kHz)
Erasure factor (metal) more than 70 db at 1,000Hz
Input sensitivity and impedance: (0 VU, 1,000Hz)
MIC 0.3mV/200 ohm ~ 5k ohm
Line IN (rec) 70 mV/100k ohm
Output level: (0 VU, 1,000Hz)
Line out (play) 390 mV
Phones 65mV/8 ohm
Power Voltage: 100, 120, 220, 240 V (50/60 Hz)
power Consumption 26 W (rated)
Weight: 8.15 kg (18 lbs) net.