[Boatanchors] TV-7D/U line adjust rheostat

[WA5CAB at cs.com]

The rheostat from any model TV-7 or I-177 should work.  But to answer your 
question, yes.  The line adjust can be an external variac.  The rheostat is 
in series with the transformer primary so affects everything.

In a message dated 12/31/2011 11:02:54 AM Central Standard Time, 
wa1rkt at arrl.net writes: 
> Anybody know where I can get another line adjust rheostat for the 
> TV-7D/U?  Mine is burned out.
> 
> If I can't find another one, can I get away with feeding the tester 
> from a variac and using the variac to adjust the line voltage?
> 
> Thanks...
> 
> Rick WA1RKT

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480