RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
The US$20 asking price for the RCA SA-155 is a strong bargain, sitting at the 25th percentile and matching the US$20 median from your ground-truth data of 13 comparable listings. This is a genuine deal, as the price is well below the US$32 75th percentile and represents the floor of the typical used market range for this unit.
This compact amplifier is well-regarded for its versatility, offering phono inputs for both ceramic and magnetic cartridges, plus dedicated tuner, CD/AUX, and tape outputs. Despite modest power around 1.8 watts per channel, it drives efficient speakers comfortably in small rooms, making it an ideal entry-level or desktop setup. At this price, it is a clear buying opportunity for enthusiasts seeking a reliable, original-owner style unit with included accessories, especially given its rarity as a budget-friendly vintage find.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
RCA traces its origins to 1919, when the Radio Corporation of America emerged from a U.S. government-backed reorganization of the Marconi Wireless Telegraph Company of America, prioritizing national security in radio technology. Born in the United States amid post-World War I innovation, the company lacked a single notable founder but was propelled by visionaries like David Sarnoff, who foresaw radio's mass-market potential. Its heritage spans a century of pioneering milestones, from acquiring the Victor Talking Machine Company in 1929—bringing the iconic "His Master's Voice" Nipper dog trademark—to launching early television at the 1939 New York World's Fair and shaping Nashville's recording scene through RCA Studios.
Historically a titan in consumer electronics, RCA focused on radios, phonographs like the famed Victrola, records, and later innovations such as eight-track tapes and magnetic recording. Today, under VOXX International, the brand emphasizes accessible audio-video accessories, including speakers, turntables, headphones, and portable systems, rather than specialized hi-fi components like amplifiers, DACs, or high-end cables.
RCA holds a venerable position as a vintage icon and entry-level mainstay, evoking mid-20th-century American living rooms rather than high-end audiophile pursuits. Its reputation rests on reliable, value-driven performance for everyday listeners, appealing to nostalgia seekers and budget-conscious buyers over niche boutique or collector-grade exclusivity.
See all RCA listings on RADAR.
