I used it as a shorting plug to test the amplifiers. Both amps are working well now. I'd recommend replacing the output tubes, AC cables and coupling caps for optimal sonics.Both have Peerless 16039 output transformers. Copy of manual and schematic included. Both have original AC cables(one is 6 inches and the other is 3 feet). The item "Vintage Heathkit W-5M Monoblock Tube Amplifiers w Cages Restored 16309 Peerless" is in sale since Sunday, April 19, 2020. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps".
The seller is "u47" and is located in Norfolk, Connecticut. This item can't be shipped, the buyer must pick up the item.