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Line 1: This information is for doing DIY, repaneling, and/or repairs on MU systems. It's not comprehensive, everyone has preferences, but lists the common/major/most-wanted parts in the MU format, and/or what sort of things will work. == Front panels == ~~==Panels/Faceplates==~~ [[File:MU panel flanges.jpg\|thumb\|250px\|Detail of MU panel showing flanges for stiffening and for mounting.]] === Specifications === See synthesizers.com:[~~http~~https://~~www~~web.archive.org/web/20100104235751/http://synthesizers.com/technical.html#panels Panels] === Blank panels === The panels are made using 1.5mm (0.062") aluminium, which is thinner than that used for [[MOTM ~~DIY~~ parts#~~Blank_panels~~Blank panels\|MOTM front panels]]. They're strengthened by the sides being bent over to form flanges. To mount them into the rack, the face of the panel is extended at the top and bottom by 0.4".<ref name="dotcom">[~~http~~https://~~www~~web.archive.org/web/20100104235751/http://synthesizers.com/technical.html Technical Information], Synthesizers.com</ref> Blank panels can be purchased from: * [http://www.lunar-experience.com/ Moon Modular], 1 and 2U * [http://stgsoundlabs.com/ STG Soundlabs], 1U * [http://www.synthesizers.com/ Synthesizers.com], 1, 2, 4, and 8U === Project panels === Panels for specific projects (CGS, YuSynth, etc.) can be purchased from: * [http://www.bigbluewave.co.uk/resynthesis/resynthesis_home.htm Re:Synthesis] * [http://bridechamber.com/ Bridechamber] === Custom panels === Custom panels can be manufactured by: * [http://www.bigbluewave.co.uk/resynthesis/resynthesis_home.htm Re:Synthesis] * [http://www.frontpanelexpress.com/ Front Panel Express], USA * [http://www.schaeffer-ag.de/ Schaeffer], EU For FPE and Schaeffer, you need to supply the blank MU panel. == Panel parts == Avoid cheap parts, especially if mechanical. Invest in quality, you always get what you pay for. Otherwise your entire system might later develop intermittent faults.<ref>~~Muff~~Mod Wiggler forum:[~~http~~https://www.~~muffwiggler~~modwiggler.com/forum/viewtopic.php?p=861269 On cheap parts...]</ref> === Knobs === Dotcom ([http://www.synthesizers.com/ Synthesizers.com]) use fluted dual-dot 1" Moog-style/[[Cosmo Corporation knobs]], available at: * [http://www.smallbearelec.com/servlet/Detail?no=739 Small Bear] * [https://web.archive.org/web/20110716181608/http://www.synthesizers.com/cabinets.html#parts Synthesizers.com] For pointer knobs, Dotcom use {{sfrac\|1~~.125~~\|1\|8}}" Moog-style/Cosmo Corporation skirted pointer knobs, available at: * [http://www.smallbearelec.com/servlet/Detail?no=1109 Small Bear] * [https://web.archive.org/web/20110716181608/http://www.synthesizers.com/cabinets.html#parts Synthesizers.com] === Potentiometers === Synthesizers.com use Alpha single-gang ~~24mm~~24 mm pots, available at: * Mouser 100K linear [http://uk.mouser.com/Search/Refine.aspx?Keyword=31VA501-F 31VA501-F] and 100K log [http://uk.mouser.com/Search/Refine.aspx?Keyword=31VJ501-F 31VJ501-F] * [http://www.smallbearelec.com/servlet/Detail?no=9 Small Bear Electronics] * [https://web.archive.org/web/20110716181608/http://www.synthesizers.com/cabinets.html#parts Synthesizers.com] 100K, 1M === Switches === ..., available at: * [https://web.archive.org/web/20110716181608/http://www.synthesizers.com/cabinets.html#parts Synthesizers.com] DPDT, SPDT === Pushbuttons === ..., available at: * [https://web.archive.org/web/20110716181608/http://www.synthesizers.com/cabinets.html#parts Synthesizers.com] === Jacks === Dotcom modules use enclosed mono [[Switchcraft]]-style jacks, available at: * [http://www.smallbearelec.com/servlet/Detail?no=90 Small Bear Electronics] * [https://web.archive.org/web/20110716181608/http://www.synthesizers.com/cabinets.html#parts Synthesizers.com] Switched 1/{{sfrac\|4}}" jacks are especially handy for [[normalising]] jack connections. === LEDs === ... Panel components sold by Synthesizers.com come with 6" wires and [[MTA Connector]] connector. === PCB Mounting === Synthesizers.com and some independent manufacturers mount the PCB parallel to the panel with [[standoff]]s, others mount PCBs perpendicular MOTM-style. [[PCB mounting bracket\|4-40 steel mounting ~~bracket~~brackets]]s are fine for this and also work with [[CGS]] boards. PCBs can be mounted parallel using 1" (Mouser: 534-8405) and {{sfrac\|1~~.25~~\|1\|4}}" (Mouser: 534-8407) threaded standoff posts. Black oxide screws, like the ones used by Synthesizers.com, are used to affix the standoffs to the front panel. Specifically, 4-40 steel {{sfrac\|3/\|8}}" black oxide phillips pan head screws,<ref name="gf">Guitar Fool:[http://guitarfool.com/modules/hardware.html Hardware]</ref> are available from [http://www.aaronsmachinescrews.com/cfusion/DisplayProduct.cfm?ITEM=1701SN1368 Aaron's Machine Screws]. For perpendicular mounting with [[stooge brackets]] affixed by the pots or jacks, available at: * [http://bridechamber.com/Brackets.html Bridechamber] * [https://web.archive.org/web/20180228193533/http://synthcube.com/cart/index.php?route=product~~/search&filter_name=bracket~~%2Fsearch Synthcube] Threaded right-angle brackets (Mouser: 534-621) can be mounted to the panel, using the 4-40 steel {{sfrac\|3/\|8}}" black oxide phillips pan head screws.<ref name="gf" /> == Internal connectors == Do not mix dissimilar metal terminals and headers. The contact resistance will go up with dissimilar metals, causing all sorts of problems.<ref>[http://www.pinrepair.com/connect/ Molex Connectors Explained, as used in Pinball.]</ref> Dotcom uses MTA-100 connectors, using 24 awg wire. To fit the wires to the connectors, use the AMP MTA key style maintenance tool: AMP 59803-1 (DigiKey: A9982-ND). === Module power === Power supplies are connected using 6 way keyed MTA-100 connectors.<ref>~~http~~[https://~~www~~web.archive.org/web/20100104235751/http://synthesizers.com/technical.html#internaldc Internal DC Module Power -– 6 pin MTA]</ref><ref name="mw1739">~~Muff's Modules & More:~~[~~http~~https://www.~~muffwiggler~~modwiggler.com/forum/viewtopic.php?t=1739 Power distribution -– updated], Mod Wiggler forum, Sep 2008</ref> {\| class="wikitable" !pin!!Voltage Line 72: \|1\|\|+15 (white) \|- \|2\|\|key -– pin missing and plugged \|- \|3\|\|+5 (red) Line 80: \|5\|\|-15 (green) \|} * Female cable mount: AMP 6404416 (Mouser: 571-3-640441-6) * Male PCB mount: AMP 6404566 (Mouser: 571-6404566) === Panel connectors === 2-pin MTA-100 connectors are used to connect jacks, push-buttons, and LEDs. {\| class="wikitable" Line 92: \|2\|\|Ground (sleeve) \|} * Female cable mount: AMP 6404412 (Mouser: 571-3-640441-2) * Male PCB mount: AMP 6404562 (Mouser: 571-6404562) 3-pin MTA-100 connectors are used for switches and pots.<ref>~~www~~[https://web.~~synthesizers~~archive.~~com:[~~org/web/20100104235751/http://~~www.~~synthesizers.com/technical.html#internalpot Internal Pot/Switch -– 3 pin MTA ], Synthesizers.com</ref> {\| class="wikitable" !pin!!Connection Line 106: \|} CCW means the low (Counter Clockwise) terminal and CW the high terminal. * Female cable mount: AMP 6404413 (Mouser: 571-3-640441-3) * Male PCB mount: AMP 6404563 (Mouser: 571-6404563) {{From Muff Wiggler wiki\|MU DIY resources}}▼ ==~~References~~ See also == * [[MOTM parts]] == References == ▲{{From ~~Muff~~Mod Wiggler ~~wiki~~Wiki\|MU DIY resources}} * [~~http~~https://www.~~muffwiggler~~modwiggler.com/forum/viewtopic.php?t=36380&start=all&postdays=0&postorder=asc The 5U DIY Resource Wiki], ~~Muff~~Mod Wiggler forum▼ {{reflist}} ▲[http://www.muffwiggler.com/forum/viewtopic.php?t=36380&start=all&postdays=0&postorder=asc The 5U DIY Resource Wiki], Muff Wiggler forum == External links == Synthesizers.com:[~~http~~https://~~www~~web.archive.org/web/20100104235751/http://synthesizers.com/technical.html Technical information] * [http://www.mcmaster.com/#standard-aluminum-sheets/=xe70s0 About Aluminum], McMaster-Carr === Schematics, PCB overlays, BOMs and assembly instructions === * [http://yusynth.net/index_en.php YuSynth] * [https://web.archive.org/web/20060111050127/http://www.musicfromouterspace.com/ Music From Outer Space] * [https://web.archive.org/web/20170430151727/http://cgs.synth.net/ CGS] === Lists of preferred parts === * [http://www.oakleysound.com/parts.pdf Oakley Sound Systems, Parts Guide] <!-- Eurorack? * [https://www.modwiggler.com/forum/viewtopic.php?p=971680 Thread for your component suppliers references...?], Mod Wiggler forum, Oct 2012 * [https://www.modwiggler.com/forum/viewtopic.php?t=86951 SDIY Partslist spreadsheet], Mod Wiggler forum, Jun 2013 * [https://bitbucket.org/cheater/synth-parts cheater/synth-parts], Bitbucket * [https://github.com/TomWhitwell/MTM-Parts-Library/ Music Thing Modular Eagle Parts Library] --> [[Category:MU]]