[DIY] OT: Tube amp disaster
Juergen.Haible at nbgm.siemens.de
Wed Aug 16 12:03:50 CEST 2000
>Im no tube expert (eric you here still) but I beleive that
>impedence on the output stage is about the worst thing you can do
to a tube
>Im almost SURE a remember reading that this will cause oscillations
>output transformer being melted.
I think the problem is a too high impedance. Pentodes are current sources
more or less, so higher impedance means higher voltage - overvoltage.
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