[sdiy] Booster for Synthacon VCF

[Pete]

HA HA! thats funny. he he....

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


-- 
listen to my tunes,

http://www.cubanpetemusic.com/12_21_04%20final%20mix.mp3

www.cubanpetemusic.com <http://www.cubanpetemusic.com>
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