Quad Eight AM2B optocoupler

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chrissugar

chrissugar

Well-known member
Joined
Jun 4, 2004
Messages
1,315
Location
EU
I'm curious if anyone have info about the optocoupler used in the AM2B compresor. In the component list it looks like VTL2C2. It doesn't look like a current product.
What time constants it has? Which current Vactrol would be a good substitute? Anyone managed to do some tests?

chrissugar
 
Hi Chris
I used a modern VTL5C2 when repairing one of these that had a dead opto and it seems to match the other one of the pair that was running a original VTL2C2. THe VTL2C2 looks like a TO5 metal can. The VTL5C2 is the one that Manley use in there Voxbox and Elop comp/limiter.
 
Thank you Joe

This was the answer I was hoping to receive. I have 16 VTL5C2 I bought for some ELOP/LA2A variation experiments. This is good news because that is one more circuit to experiment with. :grin:

chrissugar
 

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