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Obada PH-1 valve headphone amplifier, sold as spares or repairs. Powered on and produced sound on test, but runs very hot — sold for parts only, no returns. Specifications
Audio Inputs: 1
Year Manufactured: 2000s
Mains Voltage: 220V
Should you jump on this, or are you buying a project? At US$42, this sits well below your US$113 25th percentile and far under the US$164 median, so it reads as a strong bargain on price alone.
That makes it attractive if you want a low-cost tube headphone amp to experiment with or revive, especially since these are often bought for the warm, simple valve-driven sound and easy RCA-to-headphone use. The upside is best if it powers up cleanly, the tube stage is healthy, and the 220V spec matches your setup; at this price, a spares/repairs listing is worth a look because even one good part-out or a straightforward fix can justify the spend.
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.
