MATRIXSYNTH: Universal Power Plate - A Modular Synthesizer Power Supply Build

Tuesday, March 23, 2021

Universal Power Plate - A Modular Synthesizer Power Supply Build

video by John L Rice

"I needed to upgrade a power supply for my large format modular synth so I thought I'd document most of the process I typically go through.

0:00​​ Introduction
1:28​ Safety Warning
1:56​ Parts Description
3:50​ Power Inlet Install
5:23​ Main Unit Install
7:13​ Banana Jack Install
8:23​ Distribution Board Build
11:58​ Distribution Board Install
13:03​ AC Wiring
17:13​ DC Wiring
19:56​ Done, Comparison, and Thanks Richard Brewster
20:49​ Image Of PSU Installed (improvised music starts)
21:09​ Bonus Section - Building Cables (no talking)
22:50​ (music continues with random video clips)
25:28​​ End

The main parts I used:
JLR UPP custom rack panel from
Qualtek 864-03/001 AC inlet, filter, fuse, switch
Bel Power HAA-0.8-AG linear power supply
MOTM-900 power distribution board from

Video gear: Canon C100 MkII camera and Canon EFS 10-18mm lens
Voiceover gear: Neumann TLM-193 mic and John Hardy M-1 preamp
Music gear: Modular synthesizer, Mellotron M4000D, Yamaha FS1R, Strymon pedals

Richard Brewster's blog page that got me started making rackmount power supplies:

As always, thank you for watching, rating, following, and commenting! 🥳
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