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Sparkos Gemini tube amp/preamp Headphone Amplifier Yes this is Sparkos - yes this is a tube amp - a bloody good one!!!Grab a bargain!!!This is in as-new condition and selling very cheap!!Pickup on the Surfcoast or I can send anywhere in Aus for $25.Please note - Direct deposit or cash is preferable and if paying PAYPAL, included fees to be paid by the buyer.Comes with power cord (not in pics).Ask me anything.RCA InputsRCA Preamp Outputs¼” Headphone Output4 Pin XLR Headphone OutputAlps Blue Velvet Volume ControlSparkos Labs SS2590 Discrete OPA Output StageSparkos Labs Discrete Voltage Regulator

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About RCA

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.

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