Expired
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Angeboten wird „MP-1 Mk 3.3 Tube Preamplifier - All options | Ex-Demo | 2-Year Factory Warranty“ von Atma-Sphere Music Systems als Ausstellungsstück aus der Kategorie „Röhren-Vorverstärker“ bei audio-markt.de - dem Online-Marktplatz für High-End. Das Inserat mit der Nummer 9871277710 endet am 03.07.2026 um 00:46 Uhr.
The €15,000 asking price is fair and competitive, sitting just below the 75th percentile (€15,505) of recent comparable EUR listings for the Atma-Sphere MP-1 Mk 3.3, making it a solid opportunity rather than a bargain or an overreach. Given the ground truth median of €11,249, this price reflects the premium attached to the “all options” configuration and ex-demo condition, but it does not exceed the upper market threshold where ambition would be warranted.
This preamplifier is well-regarded for its balanced differential design, exceptional harmonic nuance, and versatility with low-output moving coil cartridges and as a high-end headphone amp. The inclusion of phono, three-year transferable warranty, and original accessories adds meaningful upside, especially in ex-demo condition with no prior owner wear. At a fair price like this, it’s a genuine buying opportunity for enthusiasts seeking top-tier tube performance without the new-market premium.
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.
eBay US
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eBay US
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