bhamham
Super Member
I tend to agree with Tim, I don't think it's your IBAM board.
You would need to lower the value of the four resistors on your board for your 'hot' Tung-Sols, like 8k or 10k. Along with the caps they have taken the place of R129, R135 & C85.
I'd take some close ups of your output tube sockets and its wiring, plus the power cans and its wiring.
You would need to lower the value of the four resistors on your board for your 'hot' Tung-Sols, like 8k or 10k. Along with the caps they have taken the place of R129, R135 & C85.
I'd take some close ups of your output tube sockets and its wiring, plus the power cans and its wiring.