HA HA! thats funny. he he....<br><br><div><span class="gmail_quote">On 8/23/05, <b class="gmail_sendername">Michael Ruberto</b> <<a href="mailto:frankentron@hotmail.com">frankentron@hotmail.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<a href="http://frankentron.freezope.org/source/Synthacon_VCF_REV3.gif">http://frankentron.freezope.org/source/Synthacon_VCF_REV3.gif</a><br><br>I suppose this might help. My apologies for being such a tard, it's been a<br>
very long day. But I just saved a bunch on my car insurance! yeah right...<br><br>M. A. Ruberto<br><br><br>>From: "Brett Maddaford" <<a href="mailto:Brett.Maddaford@ipfx.com">Brett.Maddaford@ipfx.com</a>>
<br>>To: "Michael Ruberto" <<a href="mailto:frankentron@hotmail.com">frankentron@hotmail.com</a>>,<br>><<a href="mailto:synth-diy@dropmix.xs4all.nl">synth-diy@dropmix.xs4all.nl</a>><br>>Subject: RE: [sdiy] Booster for Synthacon VCF
<br>>Date: Wed, 24 Aug 2005 11:53:27 +1000<br>><br>>Hi Michael<br>><br>>Is this an original steiner filter or a CGS one? Any schematics etc on<br>>what you did?<br>><br>><br>>Thank<br>>Brett<br>
><br>>-----Original Message-----<br>>From: Michael Ruberto [mailto:<a href="mailto:frankentron@hotmail.com">frankentron@hotmail.com</a>]<br>>Sent: Wednesday, 24 August 2005 11:44 AM<br>>To: <a href="mailto:synth-diy@dropmix.xs4all.nl">
synth-diy@dropmix.xs4all.nl</a><br>>Subject: [sdiy] Booster for Synthacon VCF<br>><br>><br>>Hi<br>><br>>I was tinkering with the Synthacon VCF and added a simple FET amp to<br>>boost<br>>it's output. To my suprise I got something quite more than I
<br>>anticipated. It<br>>does work properly - a 1Vpp signal in gives me a 2Vpp signal out with<br>>the<br>>resonance cranked and a 1Vpp at min res. However, I also get the<br>>sweetest,<br>>warmest, tube type sound I've heard lately. It's really quite delicious!
<br>><br>>On the O-Scope I see a rounding off of the linear portions of the<br>>waveform.<br>>With a sawtooth on the filter's input and cutoff completely open, the<br>>waveform is a quarter circle shape. It seems I am overdriving the FET.
<br>><br>>Drawbacks, The VCF will not oscillate due to the loading down of it's<br>>output<br>>tranny. Might be worth it to add an op-amp buffer between the stages.<br>>This<br>>is basically a simple preamp and it can be used by itself or with any
<br>>other<br>>module too.<br>><br>>Give it a try, you won't believe your ears!<br>><br>>M. A. Ruberto<br>><br>><br>><br><br><br></blockquote></div><br><br clear="all"><br>-- <br>listen to my tunes,
<br><br><a href="http://www.cubanpetemusic.com/12_21_04%20final%20mix.mp3">http://www.cubanpetemusic.com/12_21_04%20final%20mix.mp3</a><br><br><a href="http://www.cubanpetemusic.com">www.cubanpetemusic.com</a>