Knight KA-55 integrated tube amplifier. Originally designed to work with 6973 tubes, which rare and expensive.
Modified to work with 6973 sub - 6CZ5 tubes and 5V4 rectifier instead of expensive 5AR4/GZ34. Tested on daily basis for a month - no issues, good sound, no hum power supply rebuild. Selenium rectifier replaced with solid state rectifier. Will be glad answer your questions.The item "Knight integrated tube amp with6CZ5 tubes, work, good cosmetics, manual" is in sale since Monday, March 9, 2020. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "tannoy53" and is located in Skokie, Illinois.
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