Realistic STA-120 (1969–1971)
Not much is documented about the Realistic STA-120 beyond its ads. Radio Shack clearly aimed high with it. A full-page ad ran repeatedly in High Fidelity (September 1969, p.19) and HiFI/Stereo Review (September 1969, p.11), among others. It claimed a $269.95 price and 140 watts of power - well above the 90 watts the company said buyers would expect at that price. The same ad touted "6 features nobody else has," but surviving copies don't say what the six were.
The receiver was sold through Radio Shack's roughly 500 stores nationwide. The ad copy appeared in print from at least September 1969 into early 1971, which suggests a production run across those years. Service manuals, schematics and independent test reports appear not to have survived in the usual collector channels. No power output measurements, distortion figures or physical dimensions have been found.
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