Airtight ATM 300r

AirTight ATM-300R – Rare Opportunity

The AirTight ATM-300R is one of the world’s most admired 300B amplifiers — a masterpiece of Japanese craftsmanship known for its sublime musicality, holographic imaging, and beautifully rich tone. Built with traditional point-to-point wiring, premium transformers, and the signature AirTight voicing, the ATM-300R is a true reference SET amplifier for connoisseurs who value emotional realism and purity above all.

This unit is mint, only one year old, and comes without 300B tubes.
All original small tubes are included and are in mint condition.
An extremely clean example of one of the most sought-after 300B amplifiers available today.

Key Features:

• Reference-class 300B single-ended triode amplifier from AirTight Japan

• Exceptional craftsmanship and hand-built construction

• Renowned for rich tone, deep musicality, and holographic soundstage

• Premium output transformers designed for effortless musical flow

• Point-to-point wiring, ultra-low noise, and classic SET purity

• Perfect match for high-efficiency loudspeakers

• Small tubes included in mint/original condition

• 300B tubes not included

Special Price: €12,500 including shipping within the EU

Firm price

Condition & Availability:

• Mint condition

• Only one year old

• Small tubes included (mint/original)

• Supplied as delivered — no service history

• Smoke-free environment