Alum Rock Technology

Alum Rock Technology manufactures 304TL amplifiers, plus audio transformers and related power transformers and inductors. These transformers are specifically designed for class A single-ended audio-frequency amplifiers which use Eimac 304TL, 152TL, or 75TL vacuum tubes.

Alum Rock's compact stereo 304TL amplifier is designed for appearance, uncompromising performance, and efficient use of the 304TL in class A service. It measures 19 5/8 inches wide, 18 1/4 high, and 18 1/2 deep and weighs approximately 200 pounds.

These amplifiers and components are currently not in production and sales are limited to existing inventory.

About Alum Rock Technology's Transformers
     List of Transformers with Ratings, Pictures, and Data
About Our 304TL Stereo Amplifier
About Our 304TL Mono Amplifier
About the 304TL Vacuum Tube Family

Price List (10/20/14)
Contact Information


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