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Symetrix 425 Manual

Posted: Fri Oct 10, 2008 5:24 pm
by mediatechnology
I had a Symetrix 425 expander/compressor/limiter in for repair and decided to scan the manual and host the pdf.

https://www.ka-electronics.com/Images/p ... Manual.pdf (25 MB)

It uses a CA3046 transistor array as a detector with both log peak and log average outputs. It's very similar to the Blackmer RMS topology (without squaring) and uses a 2150 VCA.