[sdiy] SEM filter questions

[David G Dixon]

> One thing which is special about the Oberheim SEM is the 
> low-pass to high-pass panning. I think only the ARP 2500 had 
> it prior to that. It is really lovely to create some 
> character sounds IMHO.

Yes, that's something I'd definitely do if I recreated the filter.

By the way, does anybody know of a good replacement for the 2N4302 JFET?
I'm tempted just to use the Darlingtons on the 13700, but if the JFET really
does change the sound, I'd like to get close.