[sdiy] Ray Wilson's SV VCF with +-15V

[Ray Wilson]

Hi Benjamin

Which SV Filter are you referring to:

http://www.musicfromouterspace.com/analogsynth/STATEVARVCFFEB2006/STATEVARVCFFEB2006.html

or

http://www.musicfromouterspace.com/analogsynth/statevariablefilter.html

Ray


  ----- Original Message ----- 
  From: Benjamín Velasco 
  To: Synth DIY List 
  Sent: Tuesday, March 21, 2006 4:12 PM
  Subject: [sdiy] Ray Wilson's SV VCF with +-15V


  Hi you all!!  I recently finished this module from Ray's site using my +-15V PSU. I seems to work but the ranges of the pots are too extreme. It starts to oscillate as soon as I start moving the resonance pot, and also i cover the entire CutOff freq range near the center position of the COff pot. Can anybody help me figuring out what values to change so the response is like the +-12V version?. Or maybe it's simpler to use a couple of voltage regulators to get +-12V??. Thanks!!! 
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