The Pioneer SX-1980 is an AM/FM stereo receiver with a unique quartz-lock on station frequency which is immune to time and temperature drift, even better than AFC.

It features 2 tape inputs/outputs for tape duplication, exclusive Pioneer twin tone controls with tone defeat switch, outputs for 3 sets of loudspeakers, 3 cartridge impedance and capacitance settings for the phono input,, and many more outstanding features.

Specifications

Tuning range: FM, MW

Power output: 270 watts per channel into 8Ω (stereo)

Frequency response: 5Hz to 80kHz

Total harmonic distortion: 0.03%

Damping factor: 40

Input sensitivity: 7.5mV (mic), 2.5mV (MM), 150mV (line)

Signal to noise ratio: 87dB (MM), 100dB (line)

Output: 150mV (line), 2V (Pre out)

Semiconductors: 12 x FET, 11 x IC, 130 x transistors, 84 x diodes

Dimensions: 560 x 211 x 497mm

Weight: 35.4kg

Accessories: FM T-type antenna

Year: 1980