[Amps] Regulated filament current

[Nuno Lopes]

Hi all,

The guys in the western europe are using 13/14V @ 4Atrafo or PSU, then an
soft start, to take care of the inrush current.



2015-09-04 19:01 GMT+01:00 Mike Waters <mikewate at gmail.com>:

> I'm surprised that no one has mentioned thermistor inrush current limiters
> as an alternative solution:
> https://www.rfparts.com/currentlimiters.html
> They're wired in series with the filament (and HV) transformer primary, in
> an area were the air is relatively still.
>
> 73, Mike
> www.w0btu.com
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*73  Nuno   CT2IRY*