On Sun, 17 Jan 1999 13:13:41 -0500, km1h@juno.com wrote:
>>Hooked tube from filament to grid to a 12 volt car battery and burned
>>shorted parts off.
>
>Now that is an interesting method! I have a few duds here that I will try
>that on.
We use the same kind of proceedure here when the TH347's short grid to cathode,
only a 100,000mfd cap is used,
charged to about 12v or so. Just clears the short, gain drops a little
sometimes. It'll usually get us by til the new
tube arrives....
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