>
>Paul, W9AC, is correct that many of the broadcast rigs in the US that
>use(d) air-cooled power tubes with handles and thoriated tungsten
>filaments have/had a rheostat to adjust it. If the rheostat is
>properly rated and not enclosed in a tiny chassis to overheat, it
>should do an excellent job. An occassional touch up of the setting is
>good to keep the wiper contact clean. Variacs, powerstats, are
>useful, but they too have a wiper that needs to be moved once in a
>while.
During the Grate Parasitics Debate, sycophants from the Rauchian camp
stated that a rheostat would not work.
.
cheers, John
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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