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I've never actually even seen this special knob (is there a drawing of it ?) but wouldn't it be possible to take one apart and 3D print substitutes ?</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Synth-diy <synth-diy-bounces@synth-diy.org> on behalf of Todd Sines via Synth-diy <synth-diy@synth-diy.org><br>
<b>Sent:</b> 09 April 2025 17:24<br>
<b>To:</b> TERRY SHULTZ <thx1138@earthlink.net>; heaven analogue <analogue@hyperreal.org><br>
<b>Cc:</b> synth-diy mailing list <synth-diy@synth-diy.org><br>
<b>Subject:</b> Re: [sdiy] Knobs for Oberheim SEM-1A</font>
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<div dir="auto">Terry, I’m so jealous to hear that you just got off the phone with Tom! I’d love to pick his brain, but… don’t have his # :P
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<div>Apparently, Randy Pisciano also was on the phone with Tom when he was designing the reSEMble. </div>
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<div>I know it would be cheaper to just buy a couple of B 2XMs and “B” done with it… but their approach to Tom did not sit well with me. I just cannot afford OG SEM‘s at the price they are commanding these days. Not that Tom sees any of that money anyway. I
don’t know why I sold the one I bought back in 2005 for something like $300 — really kicking myself on that one.</div>
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<div>Some more searches turned up the following</div>
<div><a href="https://groupdiy.com/threads/elma-classic-collet-knobs.79725/">https://groupdiy.com/threads/elma-classic-collet-knobs.79725</a></div>
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<div><a href="https://www.don-audio.com/navi.php?JTLSHOP=ca005bf583d885281708f96c999cfa14&suchausdruck=Elma+Classic+Collet+Knob">https://www.don-audio.com/navi.php?JTLSHOP=ca005bf583d885281708f96c999cfa14&suchausdruck=Elma+Classic+Collet+Knob</a></div>
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<div><a href="https://www.newark.com/elma/020-3520/knob-14-5mm/dp/01M9603?CMP=AFC-OP">https://www.newark.com/elma/020-3520/knob-14-5mm/dp/01M9603?CMP=AFC-OP</a></div>
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<div>From what I can tell, purchasing one complete knob with a “beak” indicator involves buying three parts, the black glossy cap, the black glossy shaft, and the black glossy “beak” indicator at the bottom. All in this comes to about $7 USD a knob if you’re
ordering quantities of under 500. Croak. </div>
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<div>Todd</div>
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<blockquote type="cite">On Apr 7, 2025, at 7:52 PM, TERRY SHULTZ via Synth-diy <synth-diy@synth-diy.org> wrote:<br>
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<div dir="ltr"><span>Hi Folks,</span><br>
<span></span><br>
<span>Just got off the phone with Tom Oberheim and I quizzed Tome about where he </span>
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<span>Purchased the knobs for the SEM1-A for the TVS/FVS and 8VS synths.</span><br>
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<span>The company is called ELMA Products and look into the Rotary Switch area on their web site.</span><br>
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<span>Tom further mentioned that they no longer make the skirts for the knobs, which are collet type and not D or splined .</span><br>
<span></span><br>
<span>I hope that this helps the folks that send out a email thread on knobs.</span><br>
<span></span><br>
<span>I use Selco these days and I used them on E-mu products I was designing for Drumulator and Emulator 2.</span><br>
<span></span><br>
<span>Best regards to my audio friends</span><br>
<span></span><br>
<span>Terry</span><br>
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