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US$50 is fair to slightly attractive for this little Realistic, sitting right on your US$50 median and well below the US$130 75th percentile from the recent comps. It’s not a steal at this level, but it’s squarely in the normal market band for a compact vintage piece with known value.
What makes it worthwhile is the SA-102’s appeal as a small, tidy vintage integrated amp: it’s a neat low-power unit with real collector charm, and the later 31-1963A version is a recognizable variant. At US$50, it’s the kind of buy that can make sense if it’s clean, working, and unmolested; the main upside is getting a pleasant, compact survivor without paying top-of-market money.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Realistic emerged as the house brand of Radio Shack, founded in Boston in 1921 by two brothers to serve ham radio enthusiasts and ship radio operators. The company entered the high-fidelity market in 1947 with the nation's first audio showroom for comparing amplifiers, speakers, and turntables. In 1954, Harman Kardon proposed private-label gear under the name "Realist," but a lawsuit from the Realist Camera Company prompted a swift rebrand to Realistic, which Radio Shack used until 2000 after Tandy Corporation's acquisition.
Realistic spanned a broad array of consumer audio categories, including amplifiers like the "Little Jewel" series, speakers manufactured initially by Tandy in Texas and later by Japan's Sun, turntables, reel-to-reel and 8-track tape recorders, plus CB radios and accessories. The lineup emphasized accessible hi-fi components, often sourced from reputable OEMs, alongside entry-level hobbyist gear that filled Radio Shack catalogs and stores.
Positioned as a mid-tier, budget-friendly option, Realistic earned a devoted following among 1970s audiophiles for reliable performance at mass-market prices, though it never rivaled high-end marques like Dynaco or McIntosh, which Radio Shack also stocked. Today, it holds strong vintage-collector appeal for its nostalgic role in democratizing hi-fi, with survivors prized for modifiable circuits and sturdy builds despite the brand's discontinuation.
See all Realistic listings on RADAR.
