[Amps] filament voltage

[Phil Clements]

> Subject: [Amps] filament voltage
> 
> 
> 
> Hi Guys,
> 
> 
> 
> I want to quickly double check my understanding of filament voltage.
> 
> 
> 
> When the datasheet specifies 13.5 +- 0.6 V, such as with the 3cx800A7, are
> they referring to a DC voltage?   So, if I have 13.5 VAC, the RMS value,
> it would be just dandy, or are they referring that 13.5 V is the maximum
> peak value?
> 
> 
> 
> thanks,
> Paul (KG7HF)

The reference is A.C. volts RMS measured at the tube pins.

(((73)))
Phil, k5PC