AM/FM Stereo Receiver (1978-80)
The Pioneer SX-980 is an AM/FM stereo receiver with constant current loaded 2-stage differential amplifier, and direct coupled 2-stage Darlington single push-pull DC configuration power amplifier.
Features include Pioneer turnover tone controls, 6dB-octave high and low filters and outputs for 2 pairs of speakers.
Tuning range: FM, MW
Power output: 80 watts per channel into 8Ω (stereo)
Frequency response: 5Hz to 100kHz
Total harmonic distortion: 0.05%
Damping factor: 30
Input sensitivity: 7.5mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)
Signal to noise ratio: 76dB (MM), 90dB (line)
Output: 150mV (line), 30mV (DIN), 1V (Pre out)
Speaker load impedance: 4Ω (minimum)
Semiconductors: 3 x FET, 8 x IC, 35 x transistors, 45 x diodes
Dimensions: 526 x 176 x 440mm
Accessories: FM T-type antenna