Air Tight. Handcrafted Japanese Tube Amplifiers for Pure Musicality
Founded in 1986 in Osaka by audio legends Atsushi Miura and Masami Ishiguro, Air Tight is a revered Japanese Hi-Fi brand specializing in handcrafted vacuum tube electronics. Under the banner of A&M Ltd., the company has become synonymous with point-to-point wiring, no-compromise craftsmanship, and ultra-selective components, all made in Japan.
Renowned models like the ATM-1E (EL34), ATM-2 Plus (KT88), and ATM-300R (300B single-ended) are celebrated worldwide for their musicality, natural timbre, rich texture, and holographic soundstage. Whether you're after SET purity or dynamic push-pull power, Air Tight delivers refined analog sound of the highest order.
High-end tube amplifiers (ATM-1E, ATM-2 Plus, ATM-300R), preamps (ATC-5s), phono stages, and MC cartridges.
Fully handcrafted in Japan
Point-to-point wiring (no printed circuit boards)
Premium vacuum tubes: EL34, KT88, 300B
Hand-wound transformers
These elements combine to deliver ultra-transparent, detailed, and emotionally engaging sound.
All units are designed and built in Takatsuki, Osaka, with low-resonance enclosures and strict quality control to ensure sonic and mechanical excellence.
ATM-1E (2024 Edition): EL34 push-pull, 36 W/ch, praised by Stereophile & High Fidelity
ATM-2 Plus: KT88-based for higher power and dynamic punch
ATM-300R: single-ended 300B, a reference SET amplifier worldwide
