Tube amp problem.

[Eric]

>Just to be sure, test - or just replace! - the
grid leak resistors, screen
>resistors and coupling capacitors that lead to
the output sockets. Those
>are the things most likely to be involved in
runaway of an output tube
>after the bias supply is right.


I concur.

PS--if you buy Marshall brand EL34s for it,
they'll be Svetlanas. Marshall really likes
them, because they are said to be far more
reliable than any other currently-made EL34.
Better sounding too. You could look it up.
(Marshall buys something like 100,000 of them
every year...........)