According to the 3-500z data sheet, this should be fine. The 200 ma seems a
little low, but I guess it depends on the tubes. You should make sure that you
can get rid of the heat.
Vic K2VCO /4X6GP
> On Dec 24, 2014, at 10:52 PM, mike via Amps <amps@contesting.com> wrote:
>
> I just finished me Drake power supply. I used a Drake transformer and a
> doubler board with 8 caps. I have 2600 volts showing on the high voltage
> meter. I have eliminated all the bias circuit in the power supply that Drake
> used. At idle I show 200 mills of plate current. My question is should I add
> a bias circuit? I purchased a W4ZT board but wonder if I need it. Thanks and
> Happy Holidays to all.
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