Formant RFM

Michael Zacherl - Bacher Systems EDV GmbH mz at
Wed Jun 21 19:28:18 CEST 1995

>Um, these questions are a bit difficult to answer, as the Formant 
>RFM is the only RFM I know/have played with. I have built just one,
>but I'll put together a few more. I already have the pcb's. The 
>reason for building some more is actually that I'm not too impressed
>with the influence of one filter and I'm hoping cascading a few will
>be more interesting. 

I had the unique chance to check out the Moog-RFM which is based on a LC-network.
Even if you're tuning it to a flat line (A=0) it colorizes the sound once it's patched
in. But not in an unpleasing way. I've been told, that it's common technique to use
the Moog resonance filter this way ...


---------------- Sun - Power that SPARCles. ---------------
Michael Zacherl                   
phone :  +43 (1) 60 126-253         Bacher Systems EDV GmbH
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e-mail:  mz at                        A-1101 Wien
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