differences in VCA chips?

Andrew Schrock aschrock at cs.brandeis.edu
Wed Aug 19 15:50:26 CEST 1998


On Wed, 19 Aug 1998, Yoshiki Ohmura (Yoshi) wrote:
> I have some SSM2020's, 2022's, CA3080, and can get some CEM3360's. Now I
> was wondering what is the difference between these (besides the price).  I
> would rather stick with the 3080 or 3360 because i can still get those,
> and preferable use th 3080 becuase its dirt cheap ;)  but is there a
> quality difference?

I find CEM stuff to be quite nice. As a final VCA, 3080 and its ilk are
unacceptable to me right now. As an amp VCA for, say, an LFO or whatever, 
a 3080 is fine. You are correct about the price though.. it's nice to
throw together a VCA with a total cost of about $3. 

SSM stuff I just wouldn't use due to their impossibility to find. Ditto
for the CEM chips. (although currently they're supported pretty well by
synthtech, so i'm a bit less apprehensive about using them) See my
previous email to the list about non-SSM/CEM VCA designs, a few ideas were
tossed aorund in that thread which may prove useful to you. 

Andrew

| Andrew Schrock							|
| Network Programmer, Synthesizer and electronic music enthusiast	|
| aschrock at cs.brandeis.edu						|






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