This is a used single ended 6V6 tube amplifierIt is from a Voice of Music 168 amplified speaker (it was an option to add Stereo to a VM reel to reel tape recorder)It is in very good condition with no rust or corrosionIt has been tested and it works well (all the tubes tested good on an emissions type tube tester)It has 1/4" jacks for input and speaker connection so it is Plug and Play as a guitar amplifier (or harp if your mic has a 1/4" plug)It was connected to a 4x12 speaker cabinet ...for testingIt overdrives when turned up, but its warm when used at lower clean volumeIt uses a 12AX7, a 6V6 and a 6X4 (rectifier)It has a perforated metal grill on one side and the other side is openThe Voice of Music metal trim piece, 14 1/2" x 3" (shown in one of the photos) can be included if wantedThanks!