THD ELECTRONICS
Model Search
Select Category
THD ELECTRONICS
Amplifiers currently produced in Seattle, WA since 1987.
Any Marshall founded THD Electronics in 1987. THD specializes in tube amplification and other products that have to deal with tube amps including the Hot Plate, which is a power attenuator that allows the player to use full distortion at a reduced volume, and a Yellow Jacket converter, which is a class A tube adaptor. THD released the BiValve 30 at the 2002 Summer NAMM show. They also make other amps, speaker cabinets, and tube converters. For more information visit THD's website or contact them directly.

From Blue Book Publications:


No part of this information may be reproduced in any form whatsoever, by photograph, mimeograph, fax transmission or any other mechanical or electronic means. Nor can it be broadcast or transmitted, by translation into any language, nor by electronic recording or otherwise, without the express written permission from the publisher.