On Oct 26, 2005, at 1:12 PM, jsb@digistar.com wrote:
> On Wed, 26 Oct 2005, R. Measures wrote:
>
>> At 4000vdc, a 3-500Z will run 1600w input, however, I would tune up
>> such
>> a beast with a tuning pulser. I have heard about guys who ran 'em at
>> 5000v, but only for SSB.
>
> umph - well if the typical off-the-shelf AL-80B sits idle at 2900v to
> the
> plate (I do not know if this is its normal operating voltage), 1600w
> input
> would seem to be a lot of plate current for 1 tube.
The AL-80 instruction manual says 500mA + is okay. Some people tell
the truth and some don't.
> 2700v under load
> would be around 590mA if i'm doing my math properly. No need for pesky
> light bulbs in the shack.
>
> heh
>
> --
> 73 Jason N1SU
> http://n1su.us/
>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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