I bought 2 NEW Sovtek 2A3 tubes and installed them. The 5U4 tube is a Tung-sol. I have tested the amp and here is what I know. The amplifier DOES work and sounds good. The volume is clean with no static.
There is a Low level Constant Hum coming from the speaker when the volume is down. The treble/Bass both adjust and work as they should. All 5 inputs are working. I used a 8 ohm speaker (I never tested the 2/4/16 ohm) to test.All the tubes are working. The outside is in good shape with some scratches. The plastic faceplate does have a scratches running top to bottom by the Gain adjustment knob. I did Not check the Record playback. When I used the tuner to test it nothing happened because I did not use a record as a testing method. If you have problems with your order, PLEASE CONTACT ME BEFORE LEAVING FEEDBACK. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "marknmandee" and is located in this country: US. This item can be shipped worldwide.