Everything works as it should. This amp was sent back to the AMC service center to have tube sockets installed. You have the ability on this amp to change/ungrade the tubes yourself. Amp is heavy and will be well packed. The item "AMC CVT 3030 Tube Integrated High End Stereo Amplifier with Tube Sockets" is in sale since Saturday, January 25, 2020.This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "cygnuslighting" and is located in Verona, Wisconsin. This item can be shipped to United States.