A quite simple old japanese compressor by Univox. For part substitutions (since stock parts is long gone obsolete...) the transistor were a low gain NPN silicon so PN2222 or 2N3903 should work. MD234 were silicon signal diodes so 1N4148s is a near enough sub. The spec of the original vactrol remains unknown so socketing a LED/LDR combo seems to be a wise decision.
Schematic, gutshots and info at FSB.
Now I was gonna build the red wolf but this looks nice - you are spoiling us my friend!!
ReplyDeleteThank you for the layout!
ReplyDeleteI had build one,using one of the others layouts online, but as simple as the circuit is, it didn't work. So I'm curious to know if anyone manages to make it work :)
(I remember I had found 2 schematics for it, but i can't remember which is the one I built...)
Did you manage to get this one working? My build doesn't work.
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