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I still think the distortion is from somewhere else in the circuit.
Those op-amps have a fair amount of gain in the middle there.
Especially at narrow bandwidths, I think you may have been railing them
with your 10 volt signal. Remember that the circuit is intended for
line level.<br>
<br>
Mark<br>
<br>
<br>
Peter Grenader wrote:<br>
<blockquote type="cite"
cite="midBD4533F1.16C0D%25peter@buzzclick-music.com">
<title>Re: [sdiy] Buchla Lowpass Gate Switch</title>
I was unclear. I was meaning if you overdrive a vac in general, not
necessarily in this circuit. I've did it on my 291 clone. I had to
attenuate the input a bunch so it wasn't kazooing on me and then bring
it back up to volume on the other end.<br>
<br>
<br>
mark verbos wrote:<br>
<br>
<blockquote>wait a second.... overdriven? Isn't it just a resistor?
Something else int he signal path must be causing that, no?<br>
<br>
Mark<br>
<br>
<br>
<br>
Peter Grenader wrote:<br>
<blockquote>harrybissell wrote:<br>
<br>
<br>
<blockquote>If you are looking for "full on" by all means blast
as many photons as<br>
possible... but<br>
<br>
</blockquote>
<br>
<br>
Careful on this. Vactrols make anything going through them sound like a<br>
kazoo when they are overdriven.<br>
<br>
<br>
<br>
</blockquote>
<br>
</blockquote>
<br>
</blockquote>
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