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Pioneer SX-690

AM/FM Stereo Receiver (1978-80)

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Pioneer SX-690


The Pioneer SX-690 is an AM/FM stereo receiver with 2 hybrid ICs power amplifier output containing bias, driver and output stages in quasi-complementary circuits. Output is direct-coupled OCL following a first-stage differential amplifier.

Features include Pioneer's exclusive PLL MPX IC incorporating automaitc pilot signal canceller and a CR-type tone control network.


Tuning range: FM, MW

Power output: 30 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 60kHz

Total harmonic distortion: 0.1%

Signal to noise ratio: 75dB (MM), 90dB (line)

Dimensions: 435 x 144.5 x 314mm

Weight: 8.9kg

Year: 1978


KU/KC/S/SG service manual (additiional)  English -

HG/HGW4 service manual (additiional)  English - sbirov

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Hi-Fi Stereo

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