[AH] Paia Synthespin?

[R.G. Keen]

>Hmmm...  I wonder if this is the same circuit as the PAiA Leslie 
>simulator published in Popular Electronics in the early 70s?  I 
>have a copy of that here "somewhere."

I don't think so, although the technology is similar. The "Leslie
Simulator" was a discrete transistor twin t bandpass filter driven
by a discrete transistor LFO, the Synthespin was an IC version using
the LM3900. Same concept.