BETA
RADAR is in beta — expect errors. Accuracy and coverage improvements are shipping daily.
LIVE
Waiting for new listings…
0 other audiophiles online
Air Tight ATM-2Plus Stereo Tube Power Amplifier
Air Tight ATM 2 7 views

Air Tight ATM-2Plus Stereo Tube Power Amplifier

USD$12,699
Location
US
Seller
The Music Room
Source
The Music Room Dealer
Posted
25 Jan 2026
Last seen
47m ago

RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.

Our Thoughts RADAR AI

With no newer Air Tight ATM-2 replacements on the horizon—this '80s solid-state stereo power amp remains a timeless choice for its muscular 200W/ch dynamics—the timing feels right for a vintage hunt. At USD 12,699 (condition unspecified), it's a mild bargain under the median of USD 14,052 from five recent comps (USD 13,300–33,942 range), assuming solid shape; fair if it's pristine, but probe deeper as pristine examples rarely dip below USD 14k.

Buyers, verify output transistors (common failure in high-current designs like this) and recap history—units over 30 years often need electrolytics swapped to avoid hum or shutdowns. Confirm original heatsinks, power cord, and manual are included; missing bits cut value fast. Test with demanding loads for stability.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Air Tight

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.

More ATM 2 listings