R. Measures wrote:
>
>> I can't prove it, but I'm sure I pushed a 3-500Z over the edge by
>> hitting it
>> with full drive just as the soft-start relay pulled in. After that I
>> always
>> waited at least a few seconds after the click.
>
>
> What sort of damage occurred to the 3-500Z, Vic?
More drive was required for a given amount of output, and the maximum output
that could be achieved was reduced by about 150 watts. After a week or so I
replaced the tube, and behavior was normal again.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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