Suboctave generator - 4013?

[Goddard, Duncan]

>>>The SH-101 uses a 4013 to derive it's suboctaves......
> Is this a good method of creating sub octaves, or is there a better circuit 
> to use?  I like the extremely low parts count of the 101's design, but I 
> don't know if it's a "good" method, or just a "cheap" method.......<<<
> 
> 
first time I came across this approach was upon opening up a second-hand prodigy in 1982- it was an early serial number that had grown some extra toggle switches in the mixer section, so I had a look and was surprised to find a "logic" device being used for audio. it works very well, but what it lacks (for me) is the character that a genuine second oscillator adds. in fact, that's my main complaint about roland stuff- too often they stick in a single oscillator and this sub circuit and maybe a chorus.

got me wondering- a cheap, low-part vco, maybe not so hot on tracking, but soft-locked to the main oscillator...... anyone tried this?

d.


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