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Angeboten wird „ATM-3 monoblocks“ von Air Tight als Gebrauchtgerät aus der Kategorie „Röhren-Endverstärker“ bei audio-markt.de - dem Online-Marktplatz für High-End. Das Inserat mit der Nummer 8362467876 endet am 13.07.2026 um 19:50 Uhr.
Is €6,000 the right number for a pair of these, or are you paying for scarcity? For the ATM-3, that lands on the ambitious side of the used market: I’d expect roughly €4,000–€5,000 for a clean, healthy pair, with nicer examples or fresh service pushing higher. At €6,000, it’s only fair if condition is excellent, the amp has been serviced, and the seller can document tube life and maintenance.
Before buying, verify output tubes, bias stability, and whether it runs quietly with no transformer hum or cracking. These are heavy, high-bias tube monos, so worn sockets, tired caps, and weak matched tubes can get expensive fast. Make sure the original boxes, manuals, and any spare tubes are included, and confirm both channels measure evenly.
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.
See all Air Tight listings on RADAR.
