Knight Stereo Integrated Tube Amplifier. I recently acquired this amp from its long time owner along with some other tube audio gear.
I brought it up to voltage with a variable autoformer. The amp came up to power with no excessive current draw. I also injected a signal and it sounded very good with sound from both channels.
The output tubes are ECL82/6BM8 and are a nice looking, but used, quad of Mullard tubes. The rectifier tube is a EZ81/6CA4 and is also an original Mullard branded tube. The amp has had some capacitors and out of spec resistors replaced.
I recommend a full restoration and also replace the ceramic coupling capacitors with film capacitors for greater reliability, longevity and even better sound. It will make someone a nice restoration project and a great amp to use daily. The item "Knight Stereo Integrated Tube Amplifier==Mullard ECL82 Outputs" is in sale since Sunday, September 19, 2021. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "otsonline" and is located in Orland Park, Illinois.
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