PIONEER SX-636

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Specifications

Tuning range: FM, MW

Power output: 25 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 30kHz

Total harmonic distortion: 0.5%

Damping factor: 35

Input sensitivity: 7mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)

Signal to noise ratio: 65dB (mic), 70dB (MM), 90dB (line)

Output: 150mV (line), 30mV (DIN)

Speaker load impedance: 4Ω (minimum)

Semiconductors: 1 x FET, 3 x IC, 33 x transistors, 17 x diodes

Dimensions: 480 x 147 x 405mm

Weight: 11.2kg

Year: 1974-76