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==Panels/Faceplates==
+
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 ==
 +
[[File:MU panel flanges.jpg|thumb|250px|Detail of MU panel showing flanges for stiffening and for mounting.]]
 +
=== Specifications ===
 +
See synthesizers.com:[http://www.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|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://www.synthesizers.com/technical.html Technical Information], Synthesizers.com</ref>
  
===MOTM===
 
====Panel Specs====
 
...
 
 
====Blank Panels====
 
Blank panels can be purchased from:
 
* Bridechamber: http://bridechamber.com (1, 2, 3, and 4 U)
 
* Synthesis Technology: http://www.synthtech.com (1 and 2 U)
 
 
====Project Panels====
 
Panels for specific projects (CGS, I. Fritz, etc.) can be purchased from:
 
* Bridechamber: http://bridechamber.com
 
 
====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:
 
Blank panels can be purchased from:
* Moon Modular: http://www.lunar-experience.com (1 and 2 U)
+
* [http://www.lunar-experience.com/ Moon Modular], 1 and 2U
* STG Soundlabs: http://stgsoundlabs.com (1U)
+
* [http://stgsoundlabs.com/ STG Soundlabs], 1U
* Synthesizers.com: http://www.synthesizers.com (1, 2, 4, and 8 U)
+
* [http://www.synthesizers.com/ Synthesizers.com], 1, 2, 4, and 8U
  
====Project Panels====
+
=== Project panels ===
 
Panels for specific projects (CGS, YuSynth, etc.) can be purchased from:
 
Panels for specific projects (CGS, YuSynth, etc.) can be purchased from:
* Big Blue Wave: http://www.bigbluewave.co.uk
+
* [http://www.bigbluewave.co.uk/resynthesis/resynthesis_home.htm Re:Synthesis]
* Bridechamber: http://bridechamber.com
+
* [http://bridechamber.com/ Bridechamber]
 
+
=== Custom panels ===
====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]
* Front Panel Express [US]: http://www.frontpanelexpress.com
+
* [http://www.frontpanelexpress.com/ Front Panel Express], USA
* Schaeffer [EU]: http://www.schaeffer-ag.de
+
* [http://www.schaeffer-ag.de/ Schaeffer], EU
(Note: for FPE/Schaeffer, you need to supply a blank MU panel.)
+
For FPE and Schaeffer, you need to supply the blank MU panel.
 
 
==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:
 
* Synthesis Technology: http://www.synthtech.com
 
 
 
====Switches====
 
...
 
  
====Pushbuttons====
+
== 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 Wiggler forum:[https://www.muffwiggler.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]
 +
* [http://www.synthesizers.com/cabinets.html#parts Synthesizers.com]
 +
For pointer knobs, Dotcom use {{sfrac|1|1|8}}" Moog-style/Cosmo Corporation skirted pointer knobs, available at:
 +
* [http://www.smallbearelec.com/servlet/Detail?no=1109 Small Bear]
 +
* [http://www.synthesizers.com/cabinets.html#parts Synthesizers.com]
 +
=== Potentiometers ===
 +
Synthesizers.com use Alpha single-gang 24&nbsp;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]
 +
* [http://www.synthesizers.com/cabinets.html#parts Synthesizers.com] 100K, 1M
 +
=== Switches ===
 +
..., available at:
 +
* [http://www.synthesizers.com/cabinets.html#parts Synthesizers.com] DPDT, SPDT
 +
=== Pushbuttons ===
 +
..., available at:
 +
* [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]
 +
* [http://www.synthesizers.com/cabinets.html#parts Synthesizers.com]
 +
Switched {{sfrac|4}}" jacks are especially handy for [[normalising]] jack connections.
 +
=== LEDs ===
 
...
 
...
 +
Panel components sold by Synthesizers.com come with 6" wires and [[MTA]] 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 brackets]] are fine for this and also work with [[CGS]] boards.
  
====Jacks====
+
PCBs can be mounted parallel using 1" (Mouser: 534-8405) and {{sfrac|1|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].
MOTM uses Switchcraft 112A 1/4" jacks.
 
 
 
====LEDs====
 
...
 
 
 
===MU===
 
====Knobs====
 
Dotcom uses fluted dual-dot 1" Moog-style knobs.
 
 
 
Available at:
 
* Small Bear: http://www.smallbearelec.com/Detail.bok?no=739
 
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts
 
 
 
For pointer knobs, Dotcom uses 1.125" Moog-style pointer knobs.
 
 
 
Available at:
 
* 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:
 
* Small Bear Electronics: http://www.smallbearelec.com/Detail.bok?no=9
 
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts (100K, 1M)
 
  
====Switches====
+
For perpendicular mounting with [[stooge brackets]] affixed by the pots or jacks, available at:
Available at:
+
* [http://bridechamber.com/Brackets.html Bridechamber]
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts (DPDT, SPDT)
+
* [https://web.archive.org/web/20180228193533/http://synthcube.com/cart/index.php?route=product%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" />
  
====Pushbuttons====
+
== Internal connectors ==
Available at:
+
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>
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts
 
  
====Jacks====
+
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).
Available at:
+
=== Module power ===
* Synthesizers.com: http://www.synthesizers.com/cabinets.html#parts
+
Power supplies are connected using 6 way keyed MTA-100 connectors.<ref>http://www.synthesizers.com/technical.html#internaldc Internal DC Module Power – 6 pin MTA]</ref><ref name="mw1739">Muff's Modules & More:[https://www.muffwiggler.com/forum/viewtopic.php?t=1739 Power distribution – updated]</ref>
 +
{| class="wikitable"
 +
!pin!!Voltage
 +
|-
 +
|1||+15 (white)
 +
|-
 +
|2||key – pin missing and plugged
 +
|-
 +
|3||+5 (red)
 +
|-
 +
|4||GND (black)
 +
|-
 +
|5||-15 (green)
 +
|}
 +
* Female cable mount: AMP 6404416 (Mouser: 571-3-640441-6)
 +
* Male PCB mount: AMP 6404566 (Mouser: 571-6404566)
  
====LEDs====
+
=== Panel connectors ===
...
+
2-pin MTA-100 connectors are used to connect jacks, push-buttons, and LEDs.
 +
{| class="wikitable"
 +
!pin!!Connection
 +
|-
 +
|1||Signal (tip)
 +
|-
 +
|2||Ground (sleeve)
 +
|}
 +
* Female cable mount: AMP 6404412 (Mouser: 571-3-640441-2)
 +
* Male PCB mount: AMP 6404562 (Mouser: 571-6404562)
  
'''Note''': Panel components sold by Synthesizers.com come with 6" wires and MTA connected.
+
3-pin MTA-100 connectors are used for switches and pots.<ref>www.synthesizers.com:[http://www.synthesizers.com/technical.html#internalpot Internal Pot/Switch – 3 pin MTA]</ref>
 +
{| class="wikitable"
 +
!pin!!Connection
 +
|-
 +
|1||CCW side
 +
|-
 +
|2||Wiper
 +
|-
 +
|3||CW side
 +
|}
 +
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}}
  
==PCB/Panel Mounting==
+
== See also ==
 
+
* [[MOTM DIY parts]]
===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.  #4-40 mounting hardware is ideal, and works with CGS boards too.
 
 
 
PCBs can be mounted parallel using 1" (Mouser: 534-8405) and 1.25" (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 x 3/8" Black oxide phillips pan head screws. <ref>http://guitarfool.com/modules/hardware.html</ref>
 
 
 
Screws available here:
 
http://www.aaronsmachinescrews.com/cfusion/DisplayProduct.cfm?ITEM=1701SN1368
 
 
 
For perpendicular mounting, brackets as mentioned in the MOTM section can be used, or threaded right-angle brackets (Mouser: 534-621) can be mounted to the panel, using the same screws mentioned above. <ref>http://guitarfool.com/modules/hardware.html</ref>
 
 
 
==Internal Connectors==
 
 
 
===MOTM===
 
====Module Power====
 
4-pin MTA-156 connectors
 
 
 
Pinout:
 
* 1 = +15V
 
* 2 = GND
 
* 3 = GND
 
* 4 = -15V
 
 
 
===MU===
 
====Module Power====
 
Dotcom modules and power supplies are connected using 6-pin keyed MTA-100 connectors. <ref>http://www.synthesizers.com/technical.html#internaldc</ref>
 
 
 
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)
 
 
 
====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.
 
 
 
====Additional Details====
 
MTA-100 connectors use 24 awg wire.
 
 
 
MTA-100 "T"-handle tool: AMP #59803-1 (DigiKey: A9982-ND)
 
 
 
==Additional Resources==
 
 
 
===Online resources===
 
DIY builder sites:
 
* http://pugix.com/synth/ (MOTM)
 
* http://guitarfool.com/modules/index.html (MU)
 
 
 
===Muffwiggler threads===
 
...
 
  
==Notes==
+
== References ==
* 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.
+
{{reflist}}
* 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.
+
* [https://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://www.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]
 +
* [http://www.musicfromouterspace.com/ Music From Outer Space]
 +
* [http://cgs.synth.net/ CGS]
 +
=== Lists of preferred parts ===
 +
* [http://www.oakleysound.com/parts.pdf Oakley Sound Systems, Parts Guide]
 +
<!-- Eurorack?
 +
* [https://www.muffwiggler.com/forum/viewtopic.php?p=971680 Thread for your component suppliers references...?], Muff Wiggler forum, Oct 2012
 +
* [https://www.muffwiggler.com/forum/viewtopic.php?t=86951 SDIY Partslist spreadsheet], Muff 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] -->
  
==References==
+
[[Category:MU]]
<references/>
+
[[Category:Components]]
 +
[[Category:Resources]]
 +
[[Category:Front panels]]

Revision as of 01:39, 4 December 2018

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

Detail of MU panel showing flanges for stiffening and for mounting.

Specifications

See synthesizers.com:Panels

Blank panels

The panels are made using 1.5mm (0.062") aluminium, which is thinner than that used for 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".[1]

Blank panels can be purchased from:

Project panels

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

Custom panels

Custom panels can be manufactured by:

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.[2]

Knobs

Dotcom (Synthesizers.com) use fluted dual-dot 1" Moog-style/Cosmo Corporation knobs, available at:

For pointer knobs, Dotcom use 1 1/8" Moog-style/Cosmo Corporation skirted pointer knobs, available at:

Potentiometers

Synthesizers.com use Alpha single-gang 24 mm pots, available at:

Switches

..., available at:

Pushbuttons

..., available at:

Jacks

Dotcom modules use enclosed mono Switchcraft-style jacks, available at:

Switched 1/4" jacks are especially handy for normalising jack connections.

LEDs

... Panel components sold by Synthesizers.com come with 6" wires and MTA connector.

PCB Mounting

Synthesizers.com and some independent manufacturers mount the PCB parallel to the panel with standoffs, others mount PCBs perpendicular MOTM-style. 4-40 steel mounting brackets are fine for this and also work with CGS boards.

PCBs can be mounted parallel using 1" (Mouser: 534-8405) and 1 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 3/8" black oxide phillips pan head screws,[3] are available from Aaron's Machine Screws.

For perpendicular mounting with stooge brackets affixed by the pots or jacks, available at:

Threaded right-angle brackets (Mouser: 534-621) can be mounted to the panel, using the 4-40 steel 3/8" black oxide phillips pan head screws.[3]

Internal connectors

Do not mix dissimilar metal terminals and headers. The contact resistance will go up with dissimilar metals, causing all sorts of problems.[4]

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.[5][6]

pin Voltage
1 +15 (white)
2 key – pin missing and plugged
3 +5 (red)
4 GND (black)
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.

pin Connection
1 Signal (tip)
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.[7]

pin Connection
1 CCW side
2 Wiper
3 CW side

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)

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


See also

References

  1. ^ Technical Information, Synthesizers.com
  2. ^ Muff Wiggler forum:On cheap parts...
  3. ^ a b Guitar Fool:Hardware
  4. ^ Molex Connectors Explained, as used in Pinball.
  5. ^ http://www.synthesizers.com/technical.html#internaldc Internal DC Module Power – 6 pin MTA]
  6. ^ Muff's Modules & More:Power distribution – updated
  7. ^ www.synthesizers.com:Internal Pot/Switch – 3 pin MTA

External links

Schematics, PCB overlays, BOMs and assembly instructions

Lists of preferred parts