Yamaha CS80

If someone actually cloned these chips, we'd all sleep easier at night, right?

Doug



On Nov 13, 2011, at 12:19 PM, "organissimo" <b3groover@gmail.com> wrote:

> Hello folks!
> 
> I'm new to the group. I just purchased a Yamaha CS50 that only has one voice card fully functioning. Thankfully I got the synth very cheap. I've traced the issues down to two EGs and a couple VCAs. But as everyone knows, those proprietary Yamaha chips are becoming more and more scarce. This is a problem that will only be exacerbated as time marches on.
> 
> I've found some old posts on this group from Scott Rider (Old Crow) concerning re-creating some of these chips. I've emailed Scott but have yet to hear back. It seems he hasn't posted in a few years as well. I hope he is ok.
> 
> Has anyone else looked into re-creating these chips? I'm not an electronics engineer by any stretch of the imagination. But it seems like it would be possible, using modern components like the THAT 2181 VCA, to create a viable substitute for chips like the IG00151 VCA.
> 
> Thoughts?
> ----Jim
> 
> 


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