On 16 Mar 2005 at 8:14, Pete Smith wrote:
> I understand that running 3-500s on their side risks internal shorts.
> I need to do some trouble-shooting on my modified SB-220's relay/bias
> switching circuit, however, which would be much facilitated if I could
> key but not drive the amp (no RF out) with it upside down. I can pull
> the tubes if I need to, of course, but would prefer not to.
The Eimac data sheet for the 3-500z says "Operating position:
vertical, base up or base down."
73,
George T. Daughters, K6GT
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