Expired
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Angeboten wird „CLASS D MONOBLÖCKE“ von Atma-Sphere Music Systems als Gebrauchtgerät aus der Kategorie „Endverstärker“ bei audio-markt.de - dem Online-Marktplatz für High-End. Das Inserat mit der Nummer 2314571721 endet am 15.07.2026 um 13:36 Uhr.
Should you call this listing a bargain? Absolutely, because €2,990 is far below the 25th percentile of €3,974 from your own comparable listings, making it a clear, strong deal for this Atma-Sphere Class D monoblock. With the median at €11,189 and the 75th percentile at €15,423, this price represents exceptional value, especially when typical new retail sits around €5,650 (€6,120 converted from USD).
This is a worthwhile buy because Atma-Sphere’s Class D monoblocks are revered for blending GaNFET efficiency with the sonic warmth of traditional tube designs, delivering 100W into 8Ω with minimal idle power draw. The clean EUR condition, original-owner status, and inclusion of the three-year warranty make this a rare opportunity to acquire a high-performance, well-regarded amplifier at a price that barely reflects its used market floor.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Atma-Sphere Music Systems traces its roots to 1976, when founder and CEO Ralph Karsten established the company in Saint Paul, Minnesota, USA. From its inception, this small boutique operation has championed handmade vacuum tube amplifiers, pioneering innovations like the world's first reliable Output TransformerLess (OTL) designs and balanced-line products, including the landmark MP-1 preamplifier. Karsten's patented Circlotronic circuit and direct-coupled OTL output stages set the brand apart, embodying a commitment to enduring quality under the "Twenty-year Rule," which prioritizes components lasting decades without major service.
The brand focuses exclusively on high-end amplifiers, with its core reputation built on pure Class A OTL tube monoblocks and stereos, all hand-wired without circuit boards for superior quietness and dynamics. While preamplifiers like the MP-1 complement the lineup, Atma-Sphere avoids speakers, turntables, DACs, headphones, or cables, recently expanding into efficient solid-state Class D models that align with its efficiency goals without diluting its tube heritage.
Positioned firmly in the ultra-high-end niche, Atma-Sphere commands respect among discerning audiophiles for its transparent, powerful sound and battle-tested reliability, earning accolades across decades. These aren't mass-market or mid-tier offerings but collector-grade pieces for those seeking transformative tube performance in a market dominated by fleeting trends.
See all Atma-Sphere listings on RADAR.
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