Pioneer - SX-550 Solid state stereo receiver

For sale: Beautiful Pioneer SX-550 stereo receiver from the classic 1970s Pioneer era, combining the characteristic brushed-aluminium front panel, large analogue tuning scale and wooden side panels.

This example has received both technical and cosmetic attention. The receiver has been repaired where necessary, the exterior has been rewrapped/refinished and repainted, and the illumination has been renewed. The tuning-scale mechanism/indicator has also been repaired.

The result is a particularly clean SX-550 with a presentation that is much closer to new than most surviving examples, while retaining the original vintage character of the receiver.

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Cosmetic condition:


Vintage unit in restored, near-new cosmetic condition
Front panel is exceptionally clean overall
Wooden side panels have been rewrapped/refinished
Exterior sections have been repainted
Clean knobs, switches and tuning display
Minor traces of age may still be present upon close inspection
Please inspect the photos for the exact condition


Service & Restoration Performed:

Receiver serviced/repaired
Dial / scale lamps replaced
Tuning scale indication repaired
Wooden exterior sections rewrapped/refinished
Cabinet/exterior repainted
General cosmetic restoration performed


Specs:

Tuning range: FM, MW
Power output: 20 watts per channel into 8Ω (stereo)
Frequency response: 10Hz to 60kHz
Total harmonic distortion: 0.3%
Damping factor: 25
Input sensitivity: 7.5mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)
Signal to noise ratio: 70dB (MM), 90dB (line)
Output: 150mV (line), 30mV (DIN)
Speaker load impedance: 4Ω (minimum)
Semiconductors: 3 x FET, 5 x IC, 28 x transistors, 21 x diodes

Dimensions (LxWxH): 448 x 141 x 307mm
Weight: 11 Kg
Volts: 220/240v (If it’s 200V or higher, you’ll need an adapter in the USA)