Air Tight All New 300B Reference Stereo Amplifier: Legendary Air Tight NEW ATM300R. 

At True Audiophile

AirTight's new 300B amp, the 300R has all the qualities of the Anniversary 300B and then some: The 300R has a firmer bass response and is 9 watts per channel vs the 300 Anniversary. Separating sentimentality, this is a superior amplifier.  Handcrafted in Japan and rated at 9Wpc

AirTight ATM-300R features new step-up transformers and Takatsuki 300B tubes ($2500.00 value) hand-blown by Kyoto craftsmen to precise specs that are hand-matched to plus or minus 1 percent. These tubes were chosen by Mr. Miura for their longevity, reliability, and consistency of sound quality

We are very honored to be able to offer this amp to our customers. 

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Air Tight ATM-300R Stereo Amplifier features:

• Legendary musical charms of jubilee-long reputed, genuine Takatsuki direct-heated valve
• Takatsuki 300B Output Tubes. Finest 300B tubes made today
• New set-up transformers
• Self-biased Class-A operation at WE-300B output stage
• 3-stage triode amplification for sublimate musicality
• DC-driven heater to reduce noise inherent in direct-heated valve
• Bias/current meter to check optimum operation of output valve
• Damping selector control to create one’s favorite sound
• Lavish employment of second-to-none, custom selected components
• Copper-plated chassis to remove magnetic distortion
• Attenuator on direct-CD input

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