<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">Am 18.02.2022 um 06:20 schrieb Michael E Caloroso via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" class="">synth-diy@synth-diy.org</a>>:</div><br class="Apple-interchange-newline"><div class=""><meta charset="UTF-8" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">the VCF has zero resonance capability, zero modulation (no EG, no LFO, no key tracking, no velocity), and its cutoff is varied by fixed resistors per preset. It is merely a "brightness" filter.</span></div></blockquote></div><br class=""><div class="">So, is it a VCF at all? If so, where does the control voltage come from?</div><div class=""><br class=""></div><div class="">Ingo</div></body></html>