Clicks and Clocks 3U 19 inch Rackmount Case

Just a few impressions on the latest case I build on a clients request.

Equipped with the Clicks and Clocks power supply and busboard with +5V option.
If you need parts for your own case, just contact me via email and ask for the latest price list

ClicksClocks 19 inch 3U front view
19 inch 3U front view

New Frames for Your Eurorack DIY Case

These frames make case building much easier.

It took some time, but now the side panels in 3U and 6U size where delivered. I assembled some example frames. I will sell them completely assembled in the standard width 19 inch or 84HP, but any width is possible on request. If you want to know the pricing, please contact me.

19 inch 3U Frame

This frame gives you 84HP usable width and can easily be mounted in a 19 inch case.

  • 2 Rails
  • 2 Threaded inserts/strips
  • 2 Rack ears, 3U
  • 4 screws

Fully assembled, ready to use. Other width possible, also without threaded inserts.

ClicksClocks Eurorack 19 inch 3U frame - top view
Eurorack 19 inch 3U frame – top view

3U Frame

Another 3U frame, but without rack ears. The usable width is also 84HP. The frame has an outer width of 433 mm and a height of 133 mm and can easily be screwed in your case.

  • 2 Rails, 84HP, 427 mm
  • 2 Threaded inserts/strips
  • 2 Side panels, 3U
  • 4 screws

Fully assembled, ready to use. Other width possible, also without threaded inserts.

ClicksClocks Eurorack 3U frame - total view
Eurorack 3U frame – total view

6U Frame

And finally the 6U frame. Same configuration as the 3U frame but double height (266 mm).

  • 4 Rails, 84HP, 427mm
  • 4 Threaded inserts/strips
  • 2 Side panels, 6U
  • 8 screws

Fully assembled, ready to use. Other width possible, also without threaded inserts.

ClicksClocks Eurorack 6U frame top view
Eurorack 6U frame top view

Some more detailed pictures of the Clicks and Clocks Eurorack frames:

DIY Eurorack: Side Panels 3U and 6U

This is actually a simple exercise but if you are not a handyman and have the right tools it might get annoying. This is why I am trying to organise a groupbuy for this side panels.

This is what it is all about. A prototype of a 3U side panel for fixing the rails on a rack (still missing the drillings for fixing). Sure, you can fix the rails directly on the rack, but using the panels is way more elegant.

Eurorack Sidepanels 3HE with Module
Sidepanels 3HE with Module

You will find more details on Muffwiggler or on the German Sequencer Forum. If you have questions just leave a comment or send an email

DIY Eurorack: Building a 19 inch Rackmount Case

Assembling a 19 inch case is not rocket science but it has some pitfalls. Especially when you buy the components from eBay or different vendors.

Before you start be aware that there is no standard, not all components from all manufacturers fit together. This post should give you an overview of the components you will need. The construction is based on the Doepfer A-100G6 rackmount cases. The parts of my construction are a mix of Roger and Gie-Tec parts as well as my own power supply (PSU) and busboards.
I can provide you with a complete DIY set for your case or just some parts, just ask for pricing.

ClicksClocks 19 inch Eurorack - Complete Case
19 inch Eurorack – Complete Case

Not to get confused, some rack systems use rails with M2.5 threaded strips. You will hardly fit M3 strips in these rails. Please also notice that my rack uses side panels which are already combined with the rack ears as one part. This is usually not the case.
Some rails use M4 threads instead of M5 for the side fixing. The parts of the list below fit perfectly together.

There is also some mechanical work that needs to be done, drilling holes to fit the PSU on the rear panel and filing a big hole to fit in the mains inlet and fuse holder also on the rear panel. But this is it.

List of mechanical rack parts with order numbers from Gie-Tec as of May 2013

  • 4 pcs. 138006 – Rack ears 3HE
  • 2 pcs. 138010 – Side panels 6U
  • 8 pcs. 125010 0432 – Rails type 1, non perforated, l=432mm, 85HP
  • 2 pcs. 125021 0432 – Rails type 2, perforated, l=432mm, 85HP
  • 4 pcs. 138049 – M3 Threaded strips
  • 2 pcs. 138124 – Top and Bottom cover, perforated (222,3×431,7×1,5mm)
  • 2 pcs. 138087 0001 – Rear panels, 3HE/85TE
  • 20 pcs. 490050 1206 – M5x20 Allen screws, DIN 6912
  • 28 pcs. 499530 0006 – M3 Square sliding nuts, DIN 562
  • 32 pcs. 493030 0066 – M3x6 Pan head screws, DIN 7985/ISO 7045
  • 5 pcs. M3 Thooth Lock Washers

What really confused me when I started to build my first 19 inch rack was the width of the rails. To build a 19 inch rack with a usable width of 84HP (ca. 427 mm, exact 426.72 mm) you will need 85HP (432 mm, exact 431.8 mm) rails. The rack ears need 2,54 mm space on each side of the rack, as you can see on the following picture.

Rack ears and rails
Standard z-rail with rack ear, extending into the rail by 2.5mm

The busboards will be screwed on the two perforated rails using pan head screws, thooth look washers and square sliding nuts. Don’t worry, the part that is connected to the rail does not carry any contacts. So no risk of short circuit.

List of electrical components

  • 1 pcs. IEC 320 Mains inlet with fuse holder and switch
  • 5 Fully Insulated Receptacles, 6.3 mm
  • 10 Fully Insulated Receptacles, 4.8 mm
  • 5 Insulated Fork Cable Lug
  • 1 Micro Fuse, 230V – 400mA, time lag or slow blow
  • 1m PVC Cabel for internal wiring, H05V-K or H07V-K, green-yellow
  • 1m PVC Cabel for internal wiring, H05V-K or H07V-K, black or brown
  • 1m PVC Cabel for internal wiring, H05V-K or H07V-K, blue
  • 1 IEC 320 Mains Cable

If you have questions feel free to contact me.

TECHNICAL DISCLAIMER: Please be aware that the power supply carries mains voltage (115 or 230 V AC). According to the safety rules the installation has to be done by qualified personnel only. Please keep that in mind: Danger to Life!
This is a private blog, and it is about sharing experiences. No warranty at all.