[R-390] Question about VARIAC

[2002tii]

Roy wrote:

>For years I had a little bud box with a on amp variac, low
>voltage transformer and a rectifier/filter.  Made a fine variable DC
>supply.  Unfortunately, the caps or the diodes shorted and burned the
>variac's first 5 or 10 turns.  Sigh.

It is not hard at all to rewind variacs -- I have several here I 
acquired free and rewound the burnt parts (in these units, the turns 
between the input tap and where the wiper was when the load failed, 
which is what usually fries).

Best regards,

Don