<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></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="">On 23 Oct 2020, at 12:10 pm, John Ames <<a href="mailto:commodorejohn@gmail.com" class="">commodorejohn@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; 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="">it looks like there might be two separate one-shot decay envelopes</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; 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;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; 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="">that are summed into the same "noise gate" (VCA?) Curious to see what</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; 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;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; 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="">I find when I finally have a chance to try this thing out.</span></div></blockquote><br class=""></div><div>That’s what it looks like to me too.</div><div><br class=""></div><div>I wonder if an SMPS would introduce too much hi freq hash into the audio?</div><div><br class=""></div><div>I’ve examined a few drum circuits of this vintage although not this particular one</div><div><br class=""></div><div><a href="http://mezzoauto.blogspot.com/2017/06/roland-cr-8000-compurhythm.html" class="">http://mezzoauto.blogspot.com/2017/06/roland-cr-8000-compurhythm.html</a></div><div><br class=""></div><div>Slightly older is the TR77, using inductors</div><div><br class=""></div><div><a href="http://mezzoauto.blogspot.com/2017/05/roland-rhythm-tr-77-how-it-works.html" class="">http://mezzoauto.blogspot.com/2017/05/roland-rhythm-tr-77-how-it-works.html</a></div><div><br class=""></div><div><br class=""></div>A</body></html>