[Coco] OT- Old Radio Help Request

Neil Morrison neilsmorr at hotpop.com
Fri Mar 26 14:00:26 EST 2004


The first source of hum is a bad filter capacitor - very likely for
the age. Other possibilities include a bad tube, or a resistor gone
high.

Neil

----- Original Message ----- 
From: "Aaron Banerjee" <spam_proof at worldnet.att.net>

> In my particular case, I'm getting a hum.  The shopkeeper said they
could
> pick up a radio station with it, but I sure can't.  I haven't taken
it
> apart yet, but I suspect that they've used wax capacitors, which
decayed
> over time and became conductive (I've had this problem in some of
my other
> radios).  The tubes seem to be fine.




More information about the Coco mailing list