Pioneer SG-550 Stereo Graphic Equalizer

Specifications

Output Level: 1V (6V max)
Gain: ± 0dB
Frequency response: 5Hz to 70kHz
Signal to Noise Ratio: 100dB
Total harmonic distortion: 0.005%
Control Range: ± 10dB
Frequency Bands: 60, 150, 400, 1K, 2.4K, 6K, 15KHz
Dimensions: 420 x 97 x 216mm
Weight: 2.8kg
Year: 1984
Serial No. FD9206023S

Description of work

The following tasks and parts have either been repaired or replaced:
Capacitors replaced in power supply
PCB boards cleaned, checked and re-soldered
Washed and treated all slide potentiometers with De-Oxit
Treated all RCA’s with De-Oxit
Treated all contacts points with De-Oxit
Washed and cleaned chassis
Cleaned and polished all alloy parts, fascia and knobs
Tested in excess of 2 hours

Warranty: 6 months