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Pioneer SX-690

AM/FM Stereo Receiver (1978-80)

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Pioneer SX-690

Description

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.

Specifications

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

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Reviewed May 08th, 2017 by paultlaw

Here is my two cents, for what little that is worth!
A wonderful audio experience
These do not get a lot of love, i used to say yeah they look nice, but they have no power, probably not as good as the larger family members.
Well i was wrong, this thing just sings! Coupled with some high efficiency speakers, this thing made my feet tap and my head bob. I stopped looking at the unit like a piece of low end audio gear, and just listened to the music, it just pulled me in and wouldn't let go. I am not good at spewing out the verbiage that is thrown around when describing how a unit sounds, but i do know this, when i stuck this on, i was amazed. Its so unassuming, but it is delightful, small but plenty powerful, gotta love those meters bouncing to the music too. Pioneer knew how to make them. Snap one up for yourself!

 

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