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Post by SoK66 on Feb 5, 2021 18:56:22 GMT -5
I've been watching some interesting You Tube videos by an amp tech, Psionic Audio. He uses ispropyl alcohol to clean and dehydrate the component boards on vintage Fenders. Also uses it to clean tube sockets. I've never seen this before and found it intriguing. Anyone else use the stuff for that purpose?
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Post by Peegoo 🏁 on Feb 5, 2021 19:46:20 GMT -5
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pdf64
Wholenote
Posts: 556
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Post by pdf64 on Feb 6, 2021 5:53:42 GMT -5
If you buy some, you’ll recognise the smell; it’s the main ingredient of contact / switch cleaner sprays.
And, especially familiar over the past year, alcohol based hand sanitizer gel.
For electronics cleaning purposes, it’s probably best to avoid the lower purity 70% grade.
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Post by roly on Feb 6, 2021 21:39:54 GMT -5
99.9 Methanol here.
I think Willie endorsed the use of "denatured" alcohol.
I prefer the Meth over Isopropyl....it smells more like vodka vs "Hmmmmm.....I don't think I should drink that.".....not that I feel compelled to investigate.
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Post by LTB on Feb 8, 2021 1:44:47 GMT -5
99.9 Methanol here. I think Willie endorsed the use of "denatured" alcohol. I prefer the Meth over Isopropyl....it smells more like vodka vs "Hmmmmm.....I don't think I should drink that.".....not that I feel compelled to investigate. Denatured is good. In the 80’s we used MEK at work but it was outlawed in the 90’s due to cancer causing agents I believe but it took conformal coating off boards nicely |
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Post by SoK66 on Feb 12, 2021 19:58:57 GMT -5
If you buy some, you’ll recognise the smell; it’s the main ingredient of contact / switch cleaner sprays. And, especially familiar over the past year, alcohol based hand sanitizer gel. For electronics cleaning purposes, it’s probably best to avoid the lower purity 70% grade. I couldn't find any locally so I sourced some at 99% off Amazon. We'll see how it does cleaning old tube sockets. |
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Post by SoK66 on Jul 9, 2021 6:28:01 GMT -5
Sorry to have not responded to this one, darned work gets in the way of things. I got some 99% stuff off Amazon and it does the trick. Great for all forms of cleanup and is great for cleaning old tube sockets. I have two vintage Fenders, '66 BFDR & '68 SFSR that have led similar lives. Long periods of indoors storage in above average ambient humidity. I have suspicions of conductive board issues on both. Psionic Audio's Lyle shows some ways to deal with this using heat and isopropyl alcohol. Whenever work slows down I'll give his techniques a try.
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