<html class="apple-mail-supports-explicit-dark-mode"><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">this is a bit confusing, I thought the consensus was that the resistor value of R324 was 100 K, now there is a post on the RE – 808 Facebook group and it says it is 100 K<div><div style="display: block;" class=""><div style="-webkit-user-select: all; -webkit-user-drag: element; display: inline-block;" class="apple-rich-link" draggable="true" role="link" data-url="https://www.facebook.com/share/p/19eqDumQnS/?"><a style="border-radius:10px;font-family:-apple-system, Helvetica, Arial, sans-serif;display:block;-webkit-user-select:none;width:300px;user-select:none;-webkit-user-modify:read-only;user-modify:read-only;overflow:hidden;text-decoration:none;" class="lp-rich-link" rel="nofollow" href="https://www.facebook.com/share/p/19eqDumQnS/?" dir="ltr" role="button" draggable="false" width="300"><table style="table-layout:fixed;border-collapse:collapse;width:300px;background-color:#928B87;font-family:-apple-system, Helvetica, Arial, sans-serif;" class="lp-rich-link-emailBaseTable" cellpadding="0" cellspacing="0" border="0" width="300"><tbody><tr><td vertical-align="center" align="center"><img style="width:300px;filter:brightness(0.97);height:200px;" width="300" height="200" draggable="false" class="lp-rich-link-mediaImage" alt="228777858_10161400028434768_711997273516416637_n.jpg" src="cid:A1B91187-D24E-4D2E-B536-A64423ED0E7A"></td></tr><tr><td vertical-align="center"><table bgcolor="#928B87" cellpadding="0" cellspacing="0" width="300" style="table-layout:fixed;font-family:-apple-system, Helvetica, Arial, sans-serif;background-color:rgba(146, 139, 135, 1);-apple-color-filter:initial;" class="lp-rich-link-captionBar"><tbody><tr><td style="padding:8px 0px 8px 0px;" class="lp-rich-link-captionBar-textStackItem"><div style="max-width:100%;margin:0px 16px 0px 16px;overflow:hidden;" class="lp-rich-link-captionBar-textStack"><div style="word-wrap:break-word;font-weight:500;font-size:12px;overflow:hidden;text-overflow:ellipsis;text-align:left;" class="lp-rich-link-captionBar-textStack-topCaption-leading"><a rel="nofollow" href="https://www.facebook.com/share/p/19eqDumQnS/?" style="text-decoration: none" draggable="false"><font color="#FFFFFF" style="color: rgba(255, 255, 255, 1);">RE-808</font></a></div><div style="word-wrap:break-word;font-weight:400;font-size:11px;overflow:hidden;text-overflow:ellipsis;text-align:left;" class="lp-rich-link-captionBar-textStack-bottomCaption-leading"><a rel="nofollow" href="https://www.facebook.com/share/p/19eqDumQnS/?" style="text-decoration: none" draggable="false"><font color="#FFFFFF" style="color: rgba(235, 235, 245, 0.6);">facebook.com</font></a></div></div></td></tr></tbody></table></td></tr></tbody></table></a></div></div><br id="lineBreakAtBeginningOfSignature"><div dir="ltr"></div><div dir="ltr">FWIW, I’ve not tried to tackle this because I have a Roland TR-808, but I am trying to get it back up and running again because I removed the Kenton 808 mod that I added to it 31 years ago. </div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">Todd </div><div dir="ltr"><br><blockquote type="cite">On Aug 22, 2026, at 2:17 PM, Richie Burnett <rburnett@richieburnett.co.uk> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><span>Well that seems like a consensus that it's 220k. Thanks to all those who replied.</span><br><span></span><br><span>The 220k value just seemed a little odd to me at first... Given that this matches the value of R319 in the Claves voice output, it would seem like they could have just used a single 220k resistor after the voice selection changeover switch. Essentially in series with C125 and R326, or even combined with R326 to save the cost of one (or two) resistors.</span><br><span></span><br><span>I know that the value of R324 mostly just alters the volume of the Rimshot sound relative to the others, but it also alters the cut-off frequency of a high-pass filter formed in combination with R326 and C125. This is the reason why I wanted to know the correct value.</span><br><span></span><br><span>I'll go with 220k in the absence of any evidence to the contrary!</span><br><span></span><br><span>-Richie,</span><br><span></span><br><span></span><br><span></span><br><span></span><br><span></span><br><span>-----Original Message----- From: Chromatest J. Pantsmaker via Synth-diy</span><br><span>Sent: Saturday, August 8, 2026 10:01 PM</span><br><span>To: synth-diy@synth-diy.org</span><br><span>Cc: rburnett@richieburnett.co.uk</span><br><span>Subject: Re: [sdiy] Tr-808 resistor value</span><br><span></span><br><span>It makes sense that it would be the same as R319, which is 220K.</span><br><span></span><br><span></span><br><span></span><br><span></span><br><span></span><br><span></span><br><span>-------- Original Message --------</span><br><span>On Saturday, 08/08/26 at 13:04 Todd Sines via Synth-diy <synth-diy@synth-diy.org> wrote:</span><br><span></span><br><span></span><br><span>The RE-808 is supposed to be a 1:1 clone, it also is 220k. Sorry for not opening mine up but pretty certain that is it.</span><br><span></span><br><span></span><br><span></span><br><span></span><br><span></span><br><span>Todd</span><br><span></span><br><blockquote type="cite"><span>On Aug 8, 2026, at 3:55 PM, Pete Hartman via Synth-diy <synth-diy@synth-diy.org> wrote:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>The Yocto is an 808 clone of sorts, it has that resistor marked as 220K</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>Can't speak for the OG.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>Pete</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><blockquote type="cite"><span>On Sat, Aug 8, 2026 at 2:34 PM <rburnett@richieburnett.co.uk> wrote:</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Does anyone know the value of R324 in the Rimshot voicing circuit of</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Roland's TR-808 drum machine?</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Seemed like a good day to ask ;-)</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>-Richie,</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>________________________________________________________</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>This is the Synth-diy mailing list</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Submit email to: Synth-diy@synth-diy.org</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>View archive at: https://synth-diy.org/pipermail/synth-diy/</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Check your settings at: https://synth-diy.org/mailman/listinfo/synth-diy</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Selling or trading? 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