René Classic and Mutable Edges - Issues with QCV

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René Classic and Mutable Edges - Issues with QCV

<!-- SC_OFF --><div class="md"><p>I've <a href="https://old.reddit.com/r/modular/comments/bvrixi/ren%C3%A9_v1_and_edges_can_anyone_test_this_for_me/">asked about this in the past</a>, but even months down the line I haven't managed to find a solution to this.</p> <p>I have a René classic, and obviously often use the Quantized CV output. For whatever reason, I have issues when running Edges using the QCV output.</p> <p>First of all, I have the internal quantizer disabled in Edges when doing these tests, there is no conflict going on there.</p> <p>Edges is calibrated and seems to work absolutely fine. When going into the v/oct using the Keystep, a basic voltage from maths, a voltage from Quadratt, a quantized voltage from Disting, or the standard CV output from René, it behaves exactly as you would expect. It's a clean tone with no issues.</p> <p>However, when using René's QCV output, I get some insane modulation and instability. </p> <p><a href="https://drive.google.com/open?id=0Bx7f6QygpQ89S3d1LWlNYXg0cjdhUmlmd0luZWhVSFRPTGNZ">https://drive.google.com/open?id=0Bx7f6QygpQ89S3d1LWlNYXg0cjdhUmlmd0luZWhVSFRPTGNZ</a></p> <p>To start with, I have a -/+5v source going into edges, and I sweep it. Just to prove that it seems fine and can generate a clean tone.<br/> I then plug the QCV output of René into edges, and you can hear the distortion as it starts getting higher.<br/> I then swap that to the normal CV output of René, and you can hear it's clean.<br/> I then swap it backwards and forwards a few times, and you can hear that the CV out is fine, whereas the QCV out is terrible. </p> <p>As you can hear, it's not exactly good. </p> <p>Both modules are connected to the same busboard, are in the same case, and share ground. If I use a buffered mult and put it into both Plaits and Edges, Plaits is absolutely fine. If I put it through Maths channel 2/3, it's still bad. If I put it through Quadratt, it's still bad.</p> <p>The only way I've figured out how to fix it is to totally decouple it with Maths channel 1/4 with rise and fall zeroed. I'm assuming this is because Maths is generating a new voltage for the output rather than attenuating the original one.</p> <p>Honestly, I'm totally stumped. It's only René's QCV output, and it's only with Edges.</p> <p>Does anyone have René and Edges to test, and does anyone have any ideas?</p> <p>Thanks</p> </div><!-- SC_ON --> submitted by <a href="https://www.reddit.com/user/Jademalo"> /u/Jademalo </a> <br/> <span><a href="https://www.reddit.com/r/modular/comments/ensprj/rené_classic_and_mutable_edges_issues_with_qcv/">[link]</a></span> <span><a href="https://www.reddit.com/r/modular/comments/ensprj/rené_classic_and_mutable_edges_issues_with_qcv/">[comments]</a></span>