[Amps] re filaments & regulation

[2]

>

>>A rheostat in the primary of the filament/heater transformer is a 
>>convenient way to adjust filament/heater V.
>
>when you are talking about a rheostat are you describing the small 
>wirewound type variable resistor..similar looking to a mini-mini 
>variac...

Yes, for most amplifiers, a knob-adj 25w rheostat will do nicely.

>or are you talking about a high wattage variable resistor.
>Just curious as some people call them by either name and if I am never 
>sure I ask!
>       regards  Rick

-  R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, 
www.vcnet.com/measures.  
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