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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=LV link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Or here’s a DIY project from Alain: <a href="http://www.acxsynth.com/matrix/matrix.htm">http://www.acxsynth.com/matrix/matrix.htm</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Only thing - make sure if you are ok just with having switch matrix vs mixing matrix.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Be well!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Girts<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Erica Synths<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'> Synth-diy [mailto:synth-diy-bounces@dropmix.xs4all.nl] <b>On Behalf Of </b>Tim Ressel<br><b>Sent:</b> Saturday, May 21, 2016 10:21 AM<br><b>To:</b> synth-diy@dropmix.xs4all.nl<br><b>Subject:</b> Re: [sdiy] DIY patch matrix idea<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p>Call me a high tech heretic, but I lean toward using a cross point switch IC like the ADG2188, and having a matrix of pushbuttons/LEDs for control. That way you can save and restore configurations.<o:p></o:p></p><p>-TimR<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On 5/20/2016 8:09 PM, Oren Leavitt wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'>With sources of ready-made patch matrix solutions being scarce, I have been mulling over ideas for a DIY patch matrix. <br><br>I am thinking of using 2.5mm or 3.5mm stereo TRS mini phone jacks arranged in a matrix. These can purchased in bulk for reasonable prices. The tips would be wired as "columns" connecting to a source. The rings wired as "rows" connecting to a summing node input. <br><br>The plugs would house a standard 100K resistor wired from the tip (source) to the ring (summing node input). Additional "special" plugs can be fitted with smaller or larger resistors for added gain or attenuation, or an AC coupling capacitor. <br><br>These jacks could even be used as "inserts" for an external signal processor between source and input. <br><br>- Oren <br>_______________________________________________ <br>Synth-diy mailing list <br><a href="mailto:Synth-diy@dropmix.xs4all.nl">Synth-diy@dropmix.xs4all.nl</a> <br><a href="http://dropmix.xs4all.nl/mailman/listinfo/synth-diy">http://dropmix.xs4all.nl/mailman/listinfo/synth-diy</a> <o:p></o:p></p></blockquote><p class=MsoNormal><br><br><o:p></o:p></p><pre>-- <o:p></o:p></pre><pre>--Tim Ressel<o:p></o:p></pre><pre>Circuit Abbey<o:p></o:p></pre><pre><a href="mailto:timr@circuitabbey.com">timr@circuitabbey.com</a><o:p></o:p></pre></div></body></html>