[sdiy] Roland 80017A & 5524A Juno chips

[mark verbos]

or how 'bout an SSM2164 and a TL084? Then you have the exponential 
converter in the mix as well, like the original.

MArk




Aaron Lanterman wrote:
> 
>> Anyway The JX3P itself uses the IR3109 chip.  Below is a link with a 
>> diagram of it.
>>
>> http://www.experimentalistsanonymous.com/diy/Schematics/Filters%20Wahs%20and%20VCFs/IR3109%20VCF.gif 
>>
> 
> 
> Huh, that's the same structure as an SSM2040.
> 
> You could try using a 13700s and TL084s (like Ray does), or any other 
> favorite OTA and buffer, or even the discrete OTA/buffers in the various 
> SSM2040 chip clones, drop that all into the JX3P circuit and see what it 
> sounds like.
> 
> - Aaron
> 
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