>
>
>I want to control my filament voltage with variac, would it be better
>specify a high voltage and reduce or specify low voltage and increase,
>secondly do you specify the reuired current at the low or the high
>voltage?
>
Fil. Current changes little from minus 5% to plus 5% change in fil. V..
The trouble with most variacs is that they provide 0-130% adj. . Better
to use a rheostat. 15% fil. V adj. range is usually plenty.
- later, Igor
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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