RM> ROFL!!! Reminds me of the time when I was testing a valve amp
RM> I'd built into a dummy load, and the two 6BM8s showed their
RM> stress by setting up an oscillator with a period of about four
RM> seconds. One would glow dimly red, then go dark, then the other
RM> would glow, then go dark, then the first, etc.

 I built a motorboating power supply that used to do that!

RM> It was the same chassis (maybe the same amp, before I upgraded
RM> it to a pair of 6GW8s) that suddenly went silent while sitting
RM> upside down on the table. I looked in, saw that the 47uF 50V
RM> cathode bypass cap had a hemispherical end, and hit the floor
RM> about half a second before it popped.

RM> Valves were always a better spectator sport than transistors.

 he, he, he. The history of electronics is all downhill.

Regards,
Bob

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