Difference between revisions of "MOTM DIY parts"

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==Panels/Faceplates==
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This information is for doing DIY, repaneling, and/or repairs on [[MOTM]] systems. It's not comprehensive, everyone has preferences, but lists the common/major/most-wanted parts in the MOTM format, and/or what sort of things will work.
 +
== Front panels ==
 +
[[File:MOTM panel mounting.jpg|thumb|200px|Detail of a MOTM panel mounting.]]
 +
=== Specifications ===
 +
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.muffwiggler.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>
  
===MOTM===
+
=== Blank panels ===
====Panel Specs====
+
6061 aluminum alloy, T3 or T6 temper, is easy to come by, can be easily worked. Thickness usually ranges between 1.5&nbsp;mm (0.62") and 2.5&nbsp;mm (0.12") but see what is standard for the format, e.g. a thickness of 2.28&nbsp;mm (0.09") for 4U.<ref>[https://www.muffwiggler.com/forum/viewtopic.php?t=86107 What type of aluminium is used for faceplates?], Muff Wiggler forum, June 2013</ref><ref>[https://www.muffwiggler.com/forum/viewtopic.php?t=51475 Aluminum Panel Guage???]</ref>
...
 
  
====Blank Panels====
 
 
Blank panels can be purchased from:
 
Blank panels can be purchased from:
* Bridechamber: http://bridechamber.com (1, 2, 3, and 4 U)
+
* [http://bridechamber.com/ Bridechamber] 1, 2, 3, and 4U
* Synthesis Technology: http://www.synthtech.com (1 and 2 U)
+
* [http://www.synthtech.com/ Synthesis Technology] 1 and 2U
  
====Project Panels====
+
=== Project panels ===
 
Panels for specific projects (CGS, I. Fritz, etc.) can be purchased from:
 
Panels for specific projects (CGS, I. Fritz, etc.) can be purchased from:
* Bridechamber: http://bridechamber.com
+
* [http://bridechamber.com/ Bridechamber]
 
+
=== Custom panels ===
====Custom Panels====
 
Custom panels can be manufactured by:
 
* The Beast: http://www.thebeast.co.uk/cnc/
 
* Front Panel Express [US]: http://www.frontpanelexpress.com
 
* Schaeffer [EU]: http://www.schaeffer-ag.de
 
 
 
===MU===
 
====Panel Specs====
 
Details can be found here: http://www.synthesizers.com/technical.html#panels
 
 
 
====Blank Panels====
 
Blank panels can be purchased from:
 
* Moon Modular: http://www.lunar-experience.com (1 and 2 U)
 
* STG Soundlabs: http://stgsoundlabs.com (1U)
 
* Synthesizers.com: http://www.synthesizers.com (1, 2, 4, and 8 U)
 
 
 
====Project Panels====
 
Panels for specific projects (CGS, YuSynth, etc.) can be purchased from:
 
* Big Blue Wave: http://www.bigbluewave.co.uk
 
* Bridechamber: http://bridechamber.com
 
 
 
====Custom Panels====
 
 
Custom panels can be manufactured by:
 
Custom panels can be manufactured by:
* Big Blue Wave: http://www.bigbluewave.co.uk
+
* [http://www.bigbluewave.co.uk/resynthesis/resynthesis_home.htm Re:Synthesis], UK
* Front Panel Express [US]: http://www.frontpanelexpress.com
+
* [http://www.frontpanelexpress.com/ Front Panel Express], USA
* Schaeffer [EU]: http://www.schaeffer-ag.de
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* [http://www.schaeffer-ag.de/ Schaeffer], EU
(Note: for FPE/Schaeffer, you need to supply an MU blank.)
 
 
 
==Panels Parts==
 
 
 
===MOTM===
 
====Knobs====
 
MOTM uses ALCO PKES90B1/4 knobs.
 
 
 
Available at:
 
* Synthesis Technology: http://www.synthtech.com
 
 
 
====Pots====
 
MOTM uses Spectrol 149 pots.
 
  
Available at:
+
== Panels parts ==
* Synthesis Technology: http://www.synthtech.com  
+
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.muffwiggler.com/forum/viewtopic.php?p=861269 On cheap parts...]</ref>
 
+
=== Knobs ===
====Switches====
+
MOTM uses ALCO PKES90B1/4 knobs, available at:
...
+
* [http://www.synthtech.com/ Synthesis Technology]
 
+
=== Potentiometers ===
====Pushbuttons====
+
MOTM uses Spectrol 149 pots, available at:
...
+
* [http://www.synthtech.com/ Synthesis Technology]
 
+
=== Switches ===
====Jacks====
+
NKK toggle switches with bat handles are the closest fit.<ref>Dave Bradley's [http://www.hotrodmotm.com/parts_list.htm Parts list and supplier index for typical MOTM hardware]</ref>
 +
* SPDT: NKK M2102ES1W01 (Allied: 870-8646)
 +
* SPDT center off: NKK M2103ES1W01 (Allied: 870-8647)
 +
* DPDT: NKK M2022ES1W01 (Allied: 870-8652)
 +
* DPDT center off: NKK M2023ES1W01 (Allied: 870-8653)
 +
=== Jacks ===
 
MOTM uses Switchcraft 112A 1/4" jacks.
 
MOTM uses Switchcraft 112A 1/4" jacks.
 +
=== LEDs ===
 +
MOTM uses 5&nbsp;mm flat-lens LEDs.
 +
* Red: Lumex SSI-LXH387ID  (DigiKey: 67-1155-ND)
 +
* Green: Lumex SSI-LXH387GD (DigiKey: 67-1156-ND)
 +
* Yellow: Lumex SSI-LXH387YD (DigiKey: 67-1157-ND)
  
====LEDs====
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== PCB/Panel mounting ==
...
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=== PCB mounting ===
 
+
Most MOTM PCBs are about 4.5" by 5.5".<ref>[https://www.muffwiggler.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:
===MU===
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* [http://bridechamber.com/Brackets.html Bridechamber]
====Knobs====
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* [https://web.archive.org/web/20180228193533/http://synthcube.com/cart/index.php?route=product%2Fsearch Synthcube]
Dotcom uses Moog-style knobs.
 
 
 
Moog-style knobs available at:
 
* Small Bear: http://www.smallbearelec.com/Detail.bok?no=739
 
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts
 
 
 
Moog-style pointer knobs:
 
* Small Bear: http://www.smallbearelec.com/Detail.bok?no=1109
 
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts
 
 
 
====Pots====
 
Synthesizers.com uses Alpha single-gang 24mm pots.
 
 
 
Available at:
 
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts (100K, 1M)
 
 
 
====Switches====
 
Available at:
 
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts (DPDT, SPDT)
 
 
 
====Pushbuttons====
 
Available at:
 
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts
 
 
 
====Jacks====
 
Available at:
 
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts
 
 
 
====LEDs====
 
...
 
 
 
'''Note''': Panel components sold by Synthesizers.com come with 6" wires and MTA connected.
 
 
 
==PCB/Panel Mounting==
 
 
 
===MOTM===
 
====PCB Mounting Brackets====
 
MOTM PCBs are generally mounted perpendicular to the panel with L-shaped brackets affixed to pots or jacks.
 
 
 
Available at:
 
* Bridechamber: http://bridechamber.com/Brackets.html
 
* Synthesis Technology: http://www.synthtech.com (Stooge brackets)
 
 
 
Details on Stooge brackets: http://www.wiseguysynth.com/larry/brackets/modular_brackets.htm
 
 
 
===MU===
 
Synthesizers.com and some 3rd party manufacturers mount the PCB parallel to the panel with standoffs.  Other 3rd party manufacturers mount PCBs perpendicular MOTM-style.
 
 
 
...
 
 
 
==Internal Connectors==
 
 
 
===MOTM===
 
====Module Power====
 
4-pin MTA-156 connectors
 
Pinout:
 
1 = +15V
 
2 = GND
 
3 = GND
 
4 = -15V
 
 
 
===MU===
 
====Module Power====
 
6-pin keyed MTA-100 connectors
 
Pinout:
 
1 = +15v (White)
 
2 = KEY - pin missing and plugged
 
3 = +5v (Red)
 
4 = gnd (Black)
 
5 = -15v (Green)
 
 
 
Female 24AWG cable mount: AMP #6404416 (Mouser: 571-3-640441-6)
 
Male PCB mount: AMP #6404566 (Mouser: 571-6404566)
 
 
 
More details: http://www.synthesizers.com/technical.html#internaldc
 
 
 
====Panel Connectors====
 
2-pin MTA-100 connectors are used for jacks, push-buttons, and LEDs.
 
Jack Pinout:
 
1 = Signal (tip)
 
2 = Ground (ring)
 
 
 
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.
 
Potentiometer Pinout:
 
1 = CCW Side
 
2 = Wiper
 
3 = CW Side
 
 
 
Female cable mount: AMP #6404413 (Mouser: 571-3-640441-3)
 
Male PCB mount: AMP #6404563 (Mouser: 571-6404563)
 
  
MTA-100 connectors with more pins can be found with similar part numbers.
+
== 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>
 +
<!-- 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: &#91;sdiy&#93; Blacet/Paia power header part number?] by Cynthia Webster, 21 Mar 2005</ref>--><!-- [[Connectors#5U]]-->===Power===
 +
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.muffwiggler.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.
 +
{| class="wikitable"
 +
!Pin!!Voltage
 +
|-
 +
|1||+15
 +
|-
 +
|2||GND
 +
|-
 +
|3||GND
 +
|-
 +
|4||-15
 +
|}
 +
* Female cable mount: 640426-4 (Mouser: 571-640-4264)
 +
* Male PCB mount: 640445-4 (Mouser: 571-6404454)
 +
* [https://www.mouser.co.uk/ProductDetail/TE-Connectivity/644752-4?qs=ZDXmSm13591UQpdE9ubGWQ%3D%3D#.Wuyw9VR2OCE TE Connectivity 4 pin MTA 156 header] (Mouser: 571-6404454)
  
====Additional Details====
+
=== Interconnections ===
MTA-100 connectors use 24 awg wire.
+
Oakley Sound Systems designs use either MTA-100 or Molex KK 0.1" for board interconnects.<ref>Oakley Sound Systems:[http://www.oakleysound.com/construct.pdf Construction Guide]</ref>
MTA-100 "T"-handle tool: AMP #59803-1 (DigiKey: A9982-ND)
 
  
==Additional Resources==
+
== See also ==
 +
* [[MU DIY parts]]
  
===Online resources===
+
== References ==
http://pugix.com/synth/ (MOTM)
+
{{From Muff Wiggler wiki|MOTM DIY resources}}
http://guitarfool.com/modules/index.html (MU)
+
{{reflist}}
 +
* [https://www.muffwiggler.com/forum/viewtopic.php?t=36380&start=all&postdays=0&postorder=asc The 5U DIY Resource Wiki], Muff Wiggler forum
  
===Muffwiggler threads===
+
== External links ==
...
+
* Dave Bradley's very extensive [http://www.hotrodmotm.com/parts_list.htm Parts list and supplier index for typical MOTM hardware].
 +
* [http://www.mcmaster.com/#standard-aluminum-sheets/=xe70s0 About Aluminum], McMaster-Carr
 +
=== DIY builder sites ===
 +
* [http://pugix.com/synth/ Richard Brewster's Synthesizer]
 +
* [http://www.dragonflyalley.com/billAndWillMOTMSynth.htm Bill and Will's MOTM Analog Synthesizer]
 +
* Modular Synthesis, LLC:[http://modularsynthesis.com/modules/parts/parts.htm Parts and construction information]
 +
=== Schematics, PCB overlays, BOMs and assembly instructions ===
 +
* [http://yusynth.net/index_en.php YuSynth]
 +
* [http://www.musicfromouterspace.com/ Music From Outer Space]
 +
* [http://cgs.synth.net/ CGS]
  
==Notes==
+
=== Stooge brackets ===
* I'm not wanting to do a list of every possible panel part or knob (everyone has preferences), but to list the common/major/most-wanted parts in these formats. I'd love to eventually list the sizes and have templates/sizes for panel design too.
+
* [http://www.wiseguysynth.com/larry/brackets/modular_brackets.htm PCB mounting brackets]
* Some of this info I've taken from others sites (so far just from manufacturers). I haven't explicitly credited them for that info, but have linked to them in places. If people think this needs explicit credits, rather than just a link in the "additional resources" section needed, I can do that.
+
* [http://www.synthtech.com/tech.html Detailed CAD drawings of MOTM parts/brackets].
  
==References==
+
[[Category:MOTM]]
{{Reflist}
+
[[Category:Resources]]
 +
[[Category:Components]]
 +
[[Category:Front panels]]

Latest revision as of 23:00, 19 October 2019

This information is for doing DIY, repaneling, and/or repairs on MOTM systems. It's not comprehensive, everyone has preferences, but lists the common/major/most-wanted parts in the MOTM format, and/or what sort of things will work.

Front panels

Detail of a MOTM panel mounting.

Specifications

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,[1] giving it a crinkly look, and with labeling and scales in screen printed epoxy-ink.[2]

Blank panels

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.[3][4]

Blank panels can be purchased from:

Project panels

Panels for specific projects (CGS, I. Fritz, etc.) can be purchased from:

Custom panels

Custom panels can be manufactured by:

Panels 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.[5]

Knobs

MOTM uses ALCO PKES90B1/4 knobs, available at:

Potentiometers

MOTM uses Spectrol 149 pots, available at:

Switches

NKK toggle switches with bat handles are the closest fit.[6]

  • SPDT: NKK M2102ES1W01 (Allied: 870-8646)
  • SPDT center off: NKK M2103ES1W01 (Allied: 870-8647)
  • DPDT: NKK M2022ES1W01 (Allied: 870-8652)
  • DPDT center off: NKK M2023ES1W01 (Allied: 870-8653)

Jacks

MOTM uses Switchcraft 112A 1/4" jacks.

LEDs

MOTM uses 5 mm flat-lens LEDs.

  • Red: Lumex SSI-LXH387ID (DigiKey: 67-1155-ND)
  • Green: Lumex SSI-LXH387GD (DigiKey: 67-1156-ND)
  • Yellow: Lumex SSI-LXH387YD (DigiKey: 67-1157-ND)

PCB/Panel mounting

PCB mounting

Most MOTM PCBs are about 4.5" by 5.5".[7] These are generally mounted perpendicular to the panel with stooge brackets affixed by the pots or jacks, available at:

Internal connectors

Do not mix dissimilar metal terminals and headers. The contact resistance will go up with dissimilar metals, causing all sorts of problems.[8]

Power

MOTM modules and power distribution boards are connected using 4-pin MTA-156 connectors and 18 awg wire.[9] 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.

Pin Voltage
1 +15
2 GND
3 GND
4 -15

Interconnections

Oakley Sound Systems designs use either MTA-100 or Molex KK 0.1" for board interconnects.[10]

See also

References

This page uses Creative Commons Licensed content from Muff Wiggler wiki:MOTM DIY resources (View authors).

External links

DIY builder sites

Schematics, PCB overlays, BOMs and assembly instructions

Stooge brackets