Vintage 1980's Technics Hifi System tested working with signs of cosmetic wear (scratches minor dents)

Stereo Quartz Synthesiser FM/MW/LW Tuner ST-G5L
Computer DC Quartz Synthesizer 
FM/MW/LW with 16 radio presets 
POWER/STANDBY button
MEMORY button 
TUNING UP/DOWN buttons 
FREQ SHIFT button
FM MODE/IF BAND/SIGNAL buttons
Slimline sturdy unit 
MULTI VOLTAGE 110/120/220/240V 50/60Hz
Low 9 watts power consumption
FREQUENCY ALLOCATION SWITCH for AM 9/10kHz steps
RCA line out RCA control output
Dimensions: 43w x 24d x 5.5h
                                                    
Stereo Graphic Equalizer SH-8038
Signal to Noise Ratio: 100dB
Total harmonic distortion: 0.005%
Control Range: ± 12dB
Frequency Bands: 63, 160, 400, 1K, 2.5K, 6.3K, 16KHz
Dimensions: 430 x 75 x 192.5mm
Weight: 1.85kg
Year: 1988

Stereo Integrated Amplifier SU-700
Power output: 60 watts per channel into 8Ω (stereo)
Frequency response: 5Hz to 90kHz
Total harmonic distortion: 0.04%
Damping factor: 50
Input sensitivity: 2.5mV (MM), 150mV (line)
Signal to noise ratio: 71dB (MM), 90dB (line)
Channel separation: 45dB (line)
Output: 150mV (line)
Dimensions: 430 x 86 x 240mm
Weight: 5.3kg