The Pioneer SA-606 is a stereo integrated amplifier giving a continuous power output of 40 watts per channel.
The unit has discrete power supply sections for the class A and class B sections, and a current-mirror loaded differential amplifier with constant current loaded Darlington connected all-stage direct-coupled OCL output.
Other features include outputs for two sets of speakers, click stop tone controls, loudness contour, separate watts meters with LED peak indicators for each channel, and advanced electronic protection.
Power output: 40 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 40kHz
Total harmonic distortion: 0.05%
Damping factor: 30
Input sensitivity: 2.5mV (MM), 150mV (line)
Signal to noise ratio: 78dB (MM), 95dB (line)
Output: 150mV (line)
Semiconductors: 2 x IC, 25 x transistors, 27 x diodes
Dimensions: 450 x 148 x 263mm
Weight: 8.2kg
Year: 1978