Re: [Amps] salvaging shorted tubes

["Roy Koeppe" <royanjoy@ncn.net>]

"...I would like to hear success rates from the various
methods. (etc.)"

Yes. I blasted an intermittent grid to filament short in a 3-500Z by
connecting it across the car battery, and then rotating while tapping it
with a rubber hammer. As I recall, the restoration lasted quite a while.
If pieces of grid are vaporized away, I assume a minor change in gain
could occur. I used the tube only for CW anyway.

73,    Roy    K6XK

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