Amplifier was tested using variac. It is working and sound good. This is over 50 years old amplifier. Amplifier need to be check and weak parts replaced before use. The item "Bogen DB20 tube integrated amplifier" is in sale since Thursday, November 19, 2020.This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "pmfong" and is located in Markham, Ont. This item can be shipped to Canada, United States.