MOTM parts
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.
Panels/Faceplates
Specifications
...
Blank panels
Blank panels can be purchased from:
- Bridechamber 1, 2, 3, and 4U
- Synthesis Technology 1 and 2U
Project panels
Panels for specific projects (CGS, I. Fritz, etc.) can be purchased from:
Custom panels
Custom panels can be manufactured by:
- The Beast
- Front Panel Express, USA
- Schaeffer, EU
Panels parts
Panel parts
A very extensive list can be found at Dave Bradley's Parts list and supplier index for typical MOTM hardware.
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.[1]
- 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 5mm 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
MOTM PCBs are generally mounted perpendicular to the panel with stooge brackets affixed by the pots or jacks, available at:
Internal connectors
Power
MOTM modules and power distribution boards are connected using 4-pin MTA-156 connectors and 18 awg wire.[2] 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 |
- Female cable mount: 640426-4 (Mouser: 571-640-4264)
- Male PCB mount: 640445-4 (Mouser: 571-6404454)
Interconnections
Oakley Sound Systems designs use either MTA-100 or Molex KK 0.1" for board interconnects.[3]
References
- ^ Dave Bradley's Parts list and supplier index for typical MOTM hardware
- ^ Muff's Modules & More:Power distribution - updated
- ^ Oakley Sound Systems:Construction Guide
- The 5U DIY Resource Wiki, Muff Wiggler forum
External links
DIY builder sites
- Richard Brewster's Synthesizer
- Bill and Will's MOTM Analog Synthesizer
- Modular Synthesis, LLC:Parts and construction information