MOTM parts: Difference between revisions
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[[File:MOTM panel mounting.jpg|thumb|200px|Detail of a MOTM panel mounting.]] |
[[File:MOTM panel mounting.jpg|thumb|200px|Detail of a MOTM panel mounting.]] |
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=== Specifications === |
=== Specifications === |
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MOTM panels use U, the [[19-inch rack]] unit for height and width. The height is 5U (8.75"), while the widths are in multiples of 1U (1.75"), with some fraction less to allow for manufacturing tolerances. The finish is baked-on two part Polane paint,<ref>[https://www. |
MOTM panels use U, the [[19-inch rack]] unit for height and width. The height is 5U (8.75"), while the widths are in multiples of 1U (1.75"), with some fraction less to allow for manufacturing tolerances. The finish is baked-on two part Polane paint,<ref>[https://www.modwiggler.com/forum/viewtopic.php?t=60156 Where to get MOTM-style silkscreened panels made?], Muff Wiggler forum, May 2012</ref> giving it a crinkly look, and with labeling and scales in screen printed epoxy-ink.<ref>[http://synthtech.com/motm/info/ MOTM Info]</ref> |
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=== Blank panels === |
=== Blank panels === |
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6061 aluminum alloy, T3 or T6 temper, is easy to come by, can be easily worked. Thickness usually ranges between 1.5 mm (0.62") and 2.5 mm (0.12") but see what is standard for the format, e.g. a thickness of 2.28 mm (0.09") for 4U.<ref>[https://www. |
6061 aluminum alloy, T3 or T6 temper, is easy to come by, can be easily worked. Thickness usually ranges between 1.5 mm (0.62") and 2.5 mm (0.12") but see what is standard for the format, e.g. a thickness of 2.28 mm (0.09") for 4U.<ref>[https://www.modwiggler.com/forum/viewtopic.php?t=86107 What type of aluminium is used for faceplates?], Muff Wiggler forum, June 2013</ref><ref>[https://www.modwiggler.com/forum/viewtopic.php?t=51475 Aluminum Panel Guage???]</ref> |
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Blank panels can be purchased from: |
Blank panels can be purchased from: |
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== Panels components == |
== Panels components == |
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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 Wiggler forum:[https://www. |
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 Wiggler forum:[https://www.modwiggler.com/forum/viewtopic.php?p=861269 On cheap parts...]</ref> |
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=== Knobs === |
=== Knobs === |
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MOTM uses ALCO PKES90B1/4 knobs, available at: |
MOTM uses ALCO PKES90B1/4 knobs, available at: |
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== PCB/Panel mounting == |
== PCB/Panel mounting == |
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=== PCB mounting === |
=== PCB mounting === |
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Most MOTM PCBs are about 4.5" by 5.5".<ref>[https://www. |
Most MOTM PCBs are about 4.5" by 5.5".<ref>[https://www.modwiggler.com/forum/viewtopic.php?t=71563 MOTM pcb in frac rack format?], Muff Wiggler forum, November 2012</ref> These are generally mounted perpendicular to the panel with [[stooge brackets]] affixed by the pots or jacks, available at: |
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* [http://bridechamber.com/Brackets.html Bridechamber] |
* [http://bridechamber.com/Brackets.html Bridechamber] |
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* [https://web.archive.org/web/20180228193533/http://synthcube.com/cart/index.php?route=product%2Fsearch Synthcube] |
* [https://web.archive.org/web/20180228193533/http://synthcube.com/cart/index.php?route=product%2Fsearch Synthcube] |
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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> |
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> |
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<!-- The Molex KK crimp connector is used in synthesizers by [[CGS]], [[Cyndustries]], [[EFM]], [[Encore Electronics]], [[Metalbox]], [[Oakley Sound Systems]] and [[Synthesis Technology]].<ref>[http://search.retrosynth.com/synth-diy/search/lookit.cgi?-v0503.816 Re: [sdiy] Blacet/Paia power header part number?] by Cynthia Webster, 21 Mar 2005</ref>--><!-- [[Connectors#5U]]-->===Power=== |
<!-- The Molex KK crimp connector is used in synthesizers by [[CGS]], [[Cyndustries]], [[EFM]], [[Encore Electronics]], [[Metalbox]], [[Oakley Sound Systems]] and [[Synthesis Technology]].<ref>[http://search.retrosynth.com/synth-diy/search/lookit.cgi?-v0503.816 Re: [sdiy] Blacet/Paia power header part number?] by Cynthia Webster, 21 Mar 2005</ref>--><!-- [[Connectors#5U]]-->===Power=== |
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MOTM modules and power distribution boards are connected using 4-pin [[MTA]]-156 connectors and 18 awg wire.<ref name="mw1739">Muff's Modules & More:[https://www. |
MOTM modules and power distribution boards are connected using 4-pin [[MTA]]-156 connectors and 18 awg wire.<ref name="mw1739">Muff's Modules & More:[https://www.modwiggler.com/forum/viewtopic.php?t=1739 Power distribution – updated]</ref> Systems by [[Encore Electronics]] use 4 pin 0.156" [[Molex KK]] connectors, while those from [[Oakley Sound Systems]] use either MTA or Molex KK 0.156" connectors. |
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{| class="wikitable" |
{| class="wikitable" |
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!Pin!!Voltage |
!Pin!!Voltage |
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{{From Muff Wiggler wiki|MOTM DIY resources}} |
{{From Muff Wiggler wiki|MOTM DIY resources}} |
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{{reflist}} |
{{reflist}} |
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* [https://www. |
* [https://www.modwiggler.com/forum/viewtopic.php?t=36380&start=all&postdays=0&postorder=asc The 5U DIY Resource Wiki], Muff Wiggler forum |
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== External links == |
== External links == |
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