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In Reply to: RE: Another DIY project (AC Filter) posted by Awe-d-o-file on September 03, 2015 at 04:49:37
I'm not sure why Al didn't like silicone, but you're right about generally paying attention to what he said. He's missed around here. Here's two reasons I'm cautious about using RTV:
An important aspect to remember if you're using silicone as an adhesive is to use an electrical grade type. If you can smell vinegar during the curing process you've bought the wrong type. Apparently the type with the vinegar odor can be corrosive to copper, etc. The "Neutral Cure" or "electronics grade" is what to look for if you're going to use it.
Using silicone as a damping material to absorb vibrational energy? Put a small blob of RTV on a piece of waxed paper, or something it won't stick to. After it's cured, drop it from shoulder height and watch it bounce. Try the same thing with non-hardening clay or a small ball of rope caulk and see what happens.
"You won't come back from Fletcher-Munson curve"-Jan and Dean
Follow Ups:
Al didn't like too much gunk or junk around wiring, because he was expecting some inevitable dielectric effect that would impact sonics. His creations tended toward being almost naked. When he did use filler, as I recall, it was only in his minimal cable risers, and in that case it was kitty litter or the stuff you use in garages to soak up oil spills. In that case it was for weight and was not surrounding any sonically active wiring or componentry. If he used wiring insulation, it was almost always teflon, and not too thick teflon, or Kynar tape.
I like some wax and ropecaulk too. My only worry in selling a product is having something that stays ion the tube pretty much no matter what.
Thanks for the post!
E
T
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