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<DIV>There's some good info on PT239X delays at Ryan Williams excellent page here:</DIV>
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<DIV><A href="http://www.sdiy.org/destrukto/vc-echo.html">http://www.sdiy.org/destrukto/vc-echo.html</A><BR><BR>He's concentrated more on the PT2395, but there's good info that applies to all PT echo devices. At the bottom of the page you'll find a link to Scott Bernardi's PT2399 based synth module. </DIV>
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<DIV>I've dabbled with the PT2399 quite a bit myself - it's a fun chip. I've used FET's as VCR's to control the delay time, which renders pretty sharp control over the delay time (pretty neat when combined with a sample and hold).</DIV>
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<DIV>Cheers,</DIV>
<DIV>Scott</DIV>
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<DIV><BR>-----Original Message----- <BR>From: Benjamín Velasco <GUATIS@GMAIL.COM><BR>Sent: Nov 11, 2005 10:31 AM <BR>To: synth-diy@dropmix.xs4all.nl <BR>Subject: [sdiy] ECHO/DELAY <BR><BR></DIV>
<DIV>Hi!!</DIV>
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<DIV>Im thinking about building an echo/delay module for my synth using the pt2399 chip. Originally i bought it for building the PT80 delay from <A href="http://www.generalguitargadgets.com">www.generalguitargadgets.com</A> to use it with my guitar (im mostly a guitar player). But now im thinking if the same project could be used in my modular. Has anyone tried this?? </DIV>
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<DIV>Benjamín</DIV></BODY><PRE>
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