[Amps] RCA 8122 Tubes

[Bill Turner]

That's a long time for tubes to sit unused. I'd suggest running them 
with filament power only for about 48 hours, then hi-potting them at 
their max rated anode voltage. If they don't arc, they are probably ok.

I once had a known good 3-500Z go bad after not being used for only 
six years. I'm sure others have similar stories to tell.

73, Bill W6WRT



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At 01:55 AM 6/8/2006, Glenn McNeil wrote:
>Hello Gang,
>
>I've just been given a pair of RCA 8122 Tubes...never used, still in the
>original boxes. Date code 69-04.
>
>What are the chances they are still OK for use ?
>
>Any ideas
>
>73
>
>Glenn
>VK4TZL