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At US$1,500, this sits above the current factory-direct SE84UFO price of US$1,195, so it’s not a steal on sticker alone; it looks roughly fair if the unit is clean, well-tubed, and includes the usual extras, but it would be a little ambitious if it’s a bare amp with no provenance. The price is especially reasonable if you’re effectively buying an immediate, no-wait example from a reputable owner rather than getting in line for a new build.
That’s the appeal here: the SE84UFO is loved for its SET immediacy, tonal density, and very low-power magic with efficient speakers, and good examples tend to hold value because demand stays steady. A complete package with original tubes, cradle, cord, and proof of care makes this a stronger buy; if those are missing, or if the amp has been heavily used without recent service, the value softens quickly at this price.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
# DECWARE
DECWARE, a trademark of High Fidelity Engineering, was founded in the mid-1990s by Steve Deckert in East Peoria, Illinois. The company emerged as a pioneering force in the low-powered vacuum tube amplifier movement in the United States, introducing the iconic Zen Triode amplifier in 1996—a remarkably simple 2.3-watt single-ended triode design that has since sold over 6,000 units across seven revisions. This foundational product established Deckert's philosophy of elegant minimalism and point-to-point hand-wired construction.
DECWARE specializes in tube amplifiers and loudspeakers manufactured entirely in the USA. The product line centers on integrated amplifiers, with the current flagship being the SE84UFO, a class-A zero-feedback design featuring an exceptionally minimal signal path. The company also produces complementary speaker systems designed to pair with their low-wattage amplifiers. All products are hand-assembled and built to exacting standards using premium components.
Positioned as a boutique, high-end manufacturer, DECWARE commands respect among discerning audiophiles and SET (single-ended triode) enthusiasts worldwide, with products distributed to over 54 countries. The brand is known for direct-to-consumer sales, lifetime warranties, and a 30-day return policy. DECWARE occupies a niche segment where affordability meets uncompromising sonic philosophy—accessible entry points into tube audio without sacrificing design integrity or build quality.
See all DECWARE listings on RADAR.
