Here my current four cabinet system.  The fourth cabinet is the black vinyl unit on the right under the Arp Sequencer.

I used Stooge rails for mounting the modules to the front.  The rear is a birch ply that is also inset.  Below you can see the DJB-006 Control panel in this cabinet and the DJB-007 Power module on the rear.  I have a power distribution board on each side of the cabinet with a linear power supply in the middle mounted up on 1 inch spacers.  My top cabinet has a three voltage power supply (+5, +15, -15) while the lower two cabinets are dual voltage supplies. I later added a power on delay circuit to sequence the two MOTM-960 power distribution boards.

Each cabinet is mounted on a pivot system that allows the cabinet to be rotated as desired.  Below is the details of my pivot system.  I welded a 5/16" nut on the back of a fender washer that mounts to the cabinet with three T nuts on the inside.  Rubber washers between the washer and the side towers provide added friction. Posts on the towers serve for holding cables.

Below is my original cabinet design which includes 2U of standard rack space. It simply wasn't large enough but I am probably going to use it for future expansion of my system.  It is covered in a nice toneau cover material that is very rugged.  The MOTM-900 power supply mounts on the rear with an illuminated switch on the front.  The bottom 2U rack space is also accessible from the rear.

Detailed drawing of the 19" rack cabinet

I made this 10U expansion cabinet to sit on top of my rack cabinet.  I was using this cabinet with the MOTM-900 power supply for my PSIM.  However, I added my Level Shifters, PSIM display, and migrated several modules from my main cabinets. I replaced this expansion cabinet with the 19" rack cabinet.  I also used the 2U rack spaces to hold a Roland MT-32 synthesizer and a Ibanez DM500 Digital Delay.  My ARP Sequencer continues to sit on top.

Here is my original modular setup with my ARP Avatar, ARP-3604 keyboard, my 20U 19" rack cabinet, my 10U expansion cabinet, Roland SVC-350 vocoder, Teac MB-20 meter bridge, and my Kurzweil Expressionmate.  It didn't take me long to grow out of this setup!

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