Tuesday, 28 October 2014

Pioneer SA-8100 Vintage Stereo Amplifier

The SA-8100 is Pioneer's big power integrated stereo amplifier.
It features a unique twin tone control system for versatile tonal adjustment, high and low subsonic filters and high stability, reliable pure complementary OCL power amplifier design, with differential amplifier at the first stage. Large electrolytic capacitors ensure stable operation.


Power output: 40 watts per channel into 8Ω (stereo)
Frequency response: 10Hz to 70kHz
Total harmonic distortion: 0.05%
Damping factor: 60
Input sensitivity: 2mV (mic), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 70dB (mic), 80dB (MM), 90dB (line)
Output: 150mV (line), 30mV (DIN), 2V (Pre out)
Speaker load impedance: 4Ω to 16Ω
Semiconductors: 49 x transistors, 25 x diodes
Dimensions: 430 x 138 x 341mm
Weight: 12.1kg
Accessories: connecting cord, hex wrench, polishing cloth
Year: 1974


  1. Has this unit been serviced at all, and if so, what was done?