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In Reply to: Re: Walker SST Questions posted by Rushton on January 8, 2005 at 07:37:49:
Yeah, the stuff does go where it shouldn't! I was on the phone with a well known tube amp/pre-amp manufacturer recently and he mentioned that they have seen amps coming back with problems after folks have put SST on their tube sockets.It seems that SST has a way of running down and shorting out between pins, which burns resistors and other parts inside.
Word to the warning: Do not use SST or Mapleshade's silver contact enhancer on your tube pins!
Follow Ups:
"problems after folks have put SST on their tube sockets."One would need to be a moron to put SST on tube sockets. Really a dum thing to do.
Putting it on tube pins is another matter.
"It seems that SST has a way of running down and shorting out between pins, which burns resistors and other parts inside."
I've had SST on my tube pins on BOTH my SET amps, that run very hot, for a bit over a year now.
It does not run AT ALL under high temperature. Zero.
I suspect anyone who has such a problem isn't applying SST correctly. When I posted a year ago about how good it is on tube pins, I very specifically said you must only apply a light coat over the top HALF of the pins only.
If doing that, as opposed to a sloppy big coat over the whole pin, it will be no problem.
Or if you do apply SST, be sure to follow the directions and use only a very minimal coating and only on 1/2 of the tube pins. The SST should always look like a thin paint coat, not a pasted surface.Jack, I can't comment on Silclear, but I do know that as of three weeks ago Lloyd Walker had not received any reports of problems with SST on tube pins like the one you describe. I'd think if this were happening, people would be calling him about it, and he tells me that no one has.
I didn't ask which of the two similar products caused the tube pin shorts, the amp/pre-amp manufacturer only mentioned that it was the silver conductive film material that is popular now.It is possible that the end user who mis-used the product may be too embarrassed to call Lloyd and make issue with it. I know that if I had caused damage that was my fault, I wouldn't call Mapleshade or Walker. I can't imagine too many folks calling and admitting they screwed up ...
All I know is that I'm not using it on my tube pins.
Thanks for the clarification, Jack. The Walker SST uses a different carrier agent than the Silclear and much less likely to move with heat from where it is applied.Still, your caution about the use of any of these contact enhancers is well grounded.
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