No sound in either channel (resolved)

[Jimb0]

Thanks Chris. So both are suppose to be connected to 3U like in the original build without Speedball?

[AB2KH]

JimbO , Yes. Disconnect the left side resistor from the red wire, move the red wire out of the way, or better yet remove it from the terminal lug altogether, It has B+ on it. Connect the resistor lead that you just disconnected and solder it to the same point that the resistor on the right is connected to the black wire (ground).  That should be the non speedball configuration. (Disclaimer) Please do not do any fufther testing of your amp until Paul (whom is the official expert on this Bottlehead Forum) confirms that this is correct, I do not want to be responsible for injury to you or damage to your amp.
Chris

[Jimb0]

Thank you Chris! Will do!

[Jimb0]

PB I went ahead and tested it and getting 18v at 9 and 9v at 7 now

[Paul Birkeland]

I would test it with a different 6080, though it would be super unlikely to get one with two bad halves.  Can you confirm that it doesn't say 6082 on the glass?

[Jimb0]

Sure. My new 6080 comes in tomorrow. Most of the markings have faded away so I can't read it. The brand is National. Here are some pics of it.

https://imgur.com/a/DLFl115

[Jimb0]

6080 tube arrived today. Rechecked voltages. Both 7 and 9 are now reading 105v.

[Paul Birkeland]

Sounds like maybe a 6082 sneaked through somehow.

[Jimb0]

Thanks PB as usual. Everything is working properly now. Cheers!