Technics SA-8500X

A quadraphonic AM/FM receiver from Technics’ SA-5xx series, produced during the early 1970s with support for CD-4 discrete four-channel audio.

Overview

The Technics SA-8500X is a CD4 AM/FM two/four channel receiver made by Technics, a brand of Matsushita Electric Industrial Co. It is part of the SA-5xx series of receivers known for robust build quality and advanced features for its time. This model supports both stereo and quadraphonic playback, allowing users to experience discrete four-channel sound through compatible records and decoders. It features a detailed front panel with numerous controls and a bright display, reflecting the design aesthetic and functional complexity typical of high-end receivers in the mid-1970s.

Specifications

Tuning rangeFM, MW
Power output80W/ch (stereo), 28W/ch into 8Ω (quadraphonic)
Frequency response7Hz to 70kHz
Power Bandwidth (all ch. driven at 8 Ω)5 Hz - 40 kHz -3 dB
Power consumption615 W max
Dimensionsapproximately 480mm in width, 161mm in height, and 379mm in depth
Original priceapprox. 2'698 DM

Context

The SA-8500X was part of Technics' SA-5xx series of receivers, which offered strong build quality and advanced features for audiophiles and early adopters of quadraphonic sound.

Market

A used unit in mint condition was listed for $349.95 on Reverb.com. Service manuals exist for the model, and user support threads appear on forums like AudioKarma, indicating ongoing interest and the need for maintenance among current owners.

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