Used Technics SA 5760 shows very well for a stereo that's 40 yrs old  trying finding a 40 yr old refrigerator or washer that has held up over time

No veneer as the  SA 5770

This was the era when stereo   receivers were amps  and speakers boxes  were  scared  that it need fuses for protection

capable of handling a 4 ohm load.

Just look at he size of the power transformer and caps

165 WPC

  SPECIFICATIONS:

Tuning range: FM, MW
Power output: 165 watts per channel into 8Ω (stereo) 4Ω stable
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.08%
Damping factor: 60
Input sensitivity: 2.5mV (MM), 200mV (line)
Signal to noise ratio: 78dB (MM), 95dB (line)
Output: 200mV (line)
Speaker load impedance: 4Ω to 16Ω
Dimensions: 550 x 175 x 493mm

51lbs