There are numerous postings on the Internet why that short occurs and
the procedure to eliminate the problem with a new transformer.
Carl
KM1H
----- Original Message -----
From: <Gudguyham@aol.com>
To: <amps@hidden-valley.com>; <amps@contesting.com>
Sent: Wednesday, February 04, 2009 7:31 AM
Subject: Re: [Amps] SB-220 and Copious Amounts of Smoke...
> With no load the filament transformer draws little current, with tubes
> in,
> it draws 30 amps. If there is a suspect short in the transformer it
> will be
> more prominent with the tubes in than without. Assuming the tubes are
> good
> and there is no filament to grid short, your filament transformer is
> now toast.
> Start looking for another one. Or have that one rewound. Good Luck
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