EN72 Timbre Modulator (was: Re: [sdiy] Minisonic)

[Ian Fritz]

At 07:32 PM 7/21/2007, Tim Parkhurst wrote:
>On 7/21/07, Fernando de Izuzquiza <listas at fdi.jazztel.es> wrote:
>>
>>In fact the circuit I was looking at is from an Electronotes (free)
>>article:
>>
>>"Timbre Modulator" Option 1
>>http://electronotes.netfirms.com/free.html
>>(scroll down to "[Electronotes 72 Timbre Modulator]")
>
>Ah, that's very different ;-)
>
>One note, in Barry Klein's Electronic Music Circuits, the same circuit
>is shown (and properly credited to EN), and has 307s for all the amps.
>You could probably do the whole thing with a 13700 and a TL074.

That's a good shaper, but you should also look at some of ones I have done, 
which have a wider range of timbres and which do not require you to build a 
VCA to drive them

   Ian

http://home.comcast.net/~ijfritz/sy_cir6.htm
http://home.comcast.net/~ijfritz/sy_cir10.htm
http://home.comcast.net/~ijfritz/sy_cir8.htm