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Electronics Goldmine has some audio opto couplers, cheap!

Started by tone seeker, February 05, 2018, 06:53:42 PM

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tone seeker

 I was ordering some other things, when I came across some opto couplers, which I'm pretty sure could be used as vactrols.
The ma seems a little high, but for a $1 each, I figured I would give them a try. Just thought I would pass
the deal along!

http://www.goldmine-elec-products.com/prodinfo.asp?number=G15396A

stringsthings

I've tried these in some circuits and they worked alright.
The ones I got didn't work so well in pairs, so I assumed they weren't matched real well.
Worked pretty well in circuits requiring only one vactrol.
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