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Offered is „ATM-1E“ by Air Tight as exhibit from the category „Tube-Poweramp“ on audio-markt.de - the online market place for high-end. The advert with the number 9641021565 ends on 15.12.2026 at 09:46 o'clock.
€12,000 is ambitious versus your recent EUR comps: it sits well above the 75th percentile of €11,486, versus a median of €8,353 and a 25th percentile of €6,178. That means it’s priced at the top end of the current used market, not in bargain territory.
That said, this is a respected single-ended tube power amp with a strong reputation for tone density, scale, and ease rather than brute-force muscle, so the appeal is real if you value musicality over measurements. At good condition, the upside is mainly in finding a clean, well-kept example with no hum, low tube wear, and complete accessories; at this level, I’d want proof of recent servicing and a tidy cosmetic/functional history before paying up.
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.
