[Amps] HIGH FILAMENT VOLTAGE

[Bill Turner]

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On Sat, 10 Dec 2016 22:38:25 -0600, Jim wrote:

>You can reduce the voltage with parallel back to back diodes in series with each tube filament.
>20 amp/40v diodes are cheap and do not present a mounting challenge.

REPLY:

Yes, but remember those diodes will get hot. I suggest the kind that
can be mounted to the chassis. Also, at that current level they may
produce hash in the receiver. If so, bypass each one with a .01
capacitor.. 

73, Bill W6WRT