w5omr at satx.rr.com
Mon May 8 20:46:53 EDT 2006
Donald Chester wrote:
>> From: Rick Brashear <rickbras at airmail.net>
>> Man, THAT is a rectifier! Sure would look good in a set up with a
>> couple of 250TH's.
> You would do better with a pair of 575A's or 872's. That high vacuum
> rectifier will handle a lot of voltage, but look at the voltage drop
> at 500 ma.
> The tube would be useful for something over 10 kv and fairly low
> current. The filament consumes a lot of power as well.
The 2-2000 falls into the same catagory.
I remember, Don, on one of my 'treasure hunts' at John Mohn's/W5MEU,
that he had a regulated power supply, using a pair of 4-400's.
I'd sure like to know more about using tubes, especially those
high-power pentodes, as voltage regulators.
73 = Best Regards,
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