This isn't specific to the PolySix, but here are some guitar FX electronics sites that you might get some ideas from: http://www.electrosmash.com/ http://www.moosapotamus.net/ http://hammer.ampage.org/ http://www.muzique.com/ http://www.geofex.com/ One very simple thing to try is to reduce one of the supply voltages (or add a DC offset to the input, which should be very nearly equivalent) on the voice summing op-amp stage, to give you (voltage-controllable) asymmetrical clipping, similar to the Moog CP3 module (which is quite a nice, musical effect in small amounts). Then again, it still probably isn't quite what you're looking for. Alternatively you could grab a cheap guitar pedal from craiglist :) I have a box of them that I love trying out on my synths! Cheers, A. On 2015-12-01 08:10, chipaudette@yahoo.com [PolySix] wrote: > Hi All, > > After my Polysix be velocity sensitive, I was really grooving on additional responsivness in the electric piano (EP) and clav sounds from my Polysix. But those EP and clav sounds weren't quite right...they were too clean. I needed a little more compression and more grit. So, I started to look into modifying the Polysix to give me some overdrive or distortion. > > My first try was diode-based distortion. If you're interested, you can check out my write-up and audio demos here: > > http://synthhacker.blogspot.com/2015/11/polysix-drive-diode-distortion.html [1] > > In the end, I decided that I didn't like the diode distortion. Oh well. I'll have to try something else. I think that my next attempt will be to add an overdrive capability to one of the LM13600 OTAs. We'll see if that sounds any better. > > Does any of you use an overdrive or distortion for certain sounds with your Polysix? > > Chip > > Links: ------ [1] http://synthhacker.blogspot.com/2015/11/polysix-drive-diode-distortion.html [2] https://groups.yahoo.com/neo/groups/PolySix/conversations/messages/4879;_ylc=X3oDMTJwamRqZ2ttBF9TAzk3MzU5NzE0BGdycElkAzE5OTQ4OTQEZ3Jwc3BJZAMxNzA3NzA5ODU4BG1zZ0lkAzQ4NzkEc2VjA2Z0cgRzbGsDcnBseQRzdGltZQMxNDQ4OTE5NjMx?act=reply&messageNum=4879 [3] https://groups.yahoo.com/neo/groups/PolySix/conversations/newtopic;_ylc=X3oDMTJlcW81MHRmBF9TAzk3MzU5NzE0BGdycElkAzE5OTQ4OTQEZ3Jwc3BJZAMxNzA3NzA5ODU4BHNlYwNmdHIEc2xrA250cGMEc3RpbWUDMTQ0ODkxOTYzMQ-- [4] https://groups.yahoo.com/neo/groups/PolySix/conversations/topics/4879;_ylc=X3oDMTM0bG81c25lBF9TAzk3MzU5NzE0BGdycElkAzE5OTQ4OTQEZ3Jwc3BJZAMxNzA3NzA5ODU4BG1zZ0lkAzQ4NzkEc2VjA2Z0cgRzbGsDdnRwYwRzdGltZQMxNDQ4OTE5NjMxBHRwY0lkAzQ4Nzk- [5] https://groups.yahoo.com/neo/groups/PolySix/info;_ylc=X3oDMTJlcTVjMnNkBF9TAzk3MzU5NzE0BGdycElkAzE5OTQ4OTQEZ3Jwc3BJZAMxNzA3NzA5ODU4BHNlYwN2dGwEc2xrA3ZnaHAEc3RpbWUDMTQ0ODkxOTYzMQ-- [6] https://groups.yahoo.com/neo/groups/PolySix/members/all;_ylc=X3oDMTJmdDRmamxjBF9TAzk3MzU5NzE0BGdycElkAzE5OTQ4OTQEZ3Jwc3BJZAMxNzA3NzA5ODU4BHNlYwN2dGwEc2xrA3ZtYnJzBHN0aW1lAzE0NDg5MTk2MzE- [7] https://groups.yahoo.com/neo;_ylc=X3oDMTJkZm81dXU1BF9TAzk3NDc2NTkwBGdycElkAzE5OTQ4OTQEZ3Jwc3BJZAMxNzA3NzA5ODU4BHNlYwNmdHIEc2xrA2dmcARzdGltZQMxNDQ4OTE5NjMx [8] https://info.yahoo.com/privacy/us/yahoo/groups/details.html [9] https://info.yahoo.com/legal/us/yahoo/utos/terms/
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Re: [PolySix] Polysix Overdrive Mod
2015-11-30 by eidorian@aladan.net
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