[Amps] LK500 Amp Problem

[Steve Thompson]

Adrian Rees (M1LCR) wrote:
> Hi all
> We have an LK 500 Amplifier (the pair of 3-500Z's model) that started to
> spark and arc quite badly last weekend when we tested it ready for IOTA.
> 
> We've had a look at the amp, and it appears that the varnish on the anode
> choke has come off, and there are signs of tracking.
> 
> Given that it'll need re-winding, what you boys suggest I coat the choke in,
> to stop it from unravelling ?
I've never tried it, but how about plumber's PTFE tape? No 
worries about losses.

Steve