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Angeboten wird „ATM4“ von Air Tight als Gebrauchtgerät aus der Kategorie „Röhren-Vollverstärker“ bei audio-markt.de - dem Online-Marktplatz für High-End. Das Inserat mit der Nummer 3578120019 endet am 18.09.2026 um 06:03 Uhr.
This €3,250 listing for a used Air Tight ATM-4 in good European condition is a strong bargain, sitting well below the 25th percentile of €4,159 and the median of €5,064 from your recent comparable EUR listings. At this price, you’re paying roughly 35% less than the typical market median, making it an exceptional buying opportunity for a revered Japanese tube amp.
The ATM-4 is celebrated for its lush, natural midrange and effortless dynamics, delivering the signature Air Tight sound that pairs beautifully with a wide range of speakers. Its push-pull KT66 design offers both warmth and control, and units in good condition with original NOS tubes can be worth €500–€1,000 more. With no caveats raised at this price and condition noted as good, this listing represents a rare chance to acquire a cult favorite at a genuinely attractive entry point.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Air Tight emerged from the vision of Atsushi Miura, a veteran Luxman engineer who joined the company in 1956 and championed vacuum tubes amid the shift to transistors. Retiring in 1985, Miura partnered with Masami Ishiguro to found A&M Ltd. in Osaka, Japan, launching the Air Tight brand in 1986. Their debut ATM-1 power amplifier, a push-pull EL34 design, embodied a philosophy of direct signal paths, point-to-point hand-wiring, and premium components, rejecting printed circuit boards for purest sound.
The brand specializes in artisanal tube amplifiers, preamplifiers with phono stages, and select integrated models, all hand-assembled in small batches by father and son in their Osaka facility. While primarily focused on amplification, Air Tight emphasizes tube-centric purity over broad categories like speakers, DACs, or headphones, prioritizing meticulous construction for uncolored, lifelike reproduction.
Positioned firmly in the high-end niche, Air Tight commands reverence among audiophiles for its confidential, zero-compromise production and reference-grade performance. Legendary status stems from decades of global appeal, from early exports to Hong Kong and China, making it a boutique choice for discerning buyers seeking Japanese precision and tube authenticity over mass-market volumes.
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