Given the problem of adjusting the bias on a ST-70 shared supply where you have to go back and forth between each side because every time you adjust one side, it affects the other:
How about building dual bias supplies, one for each channel, sharing the bias tap off the transformer into 2 rectifers, caps etc, doubling the resistor values?
Is there any technical reason this wouldn't work? It would seem to me that it would add another layer of isolation between the 2 channels.
Even more outrageous, a supply for each output tube to isolate interactions?
Thoughts???
Thanks,
Ed