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The Blank case is basically the same as the U3/U3S case but has differently drilled/labelled front and rear panels. It is made from black anodised aluminium, dimensions 122 x 45 x 160mm deep. It's a 4-part case: front panel, back panel, top half and bottom half. The 4 parts are held together by 8 screws. The front panel has no text except "QRP Labs", and the rear panel is un-drilled and un-printed. The case also includes an accessory kit, with switches, buttons, connectors etc.
The complete set comprises:
- 4-part black anodised aluminium case, 122 x 45 x 160mm deep, including 8 screws
- 2x toggle switch
- 2x push button, RED colour
- 4x self-adhesive cabinet feet
- 4x 6mm nylon hex spacer for mounting LCD module to front panel
- 4x black metal M3 screw for mounting LCD module to front panel
- BNC socket (NOT USED in Clock kit)
- Power socket
- Matching power plug
- 9-way D-connector (to be used for GPS, programming, whatever you want)
Click the following photos to open the larger versions.
Front and rear panel photos
These photos show the Ultimate3/3S case. The Clock case and accessories are the same except for different front/rear panels as described.
There is plenty of space in the box for more stuff to be added (voltage regulators, amplifiers, more modules, who knows!). The photos show a U3 with relay-switched LPF board and full complement of LPF modules plugged in.
Construction is straightforward and you can customise it to your need.
Important note! The top and the bottom half of the box are identical pieces. On one side, they have a U-groove. On the other side, an I-tongue. The top and bottom halfs must therefore be orientated correctly so that the U of the bottom fits the I of the top, and vice versa on the other side. If it seems that your front/rear panels don't fit properly onto the box, then probably you have forgotten that you have to turn around one half of the box, so the U and I fit into each other!
I strongly recommend:
1) inserting all screws loosely, and only tightening them up when they are all aligned in place.
2) Do not over-tighten any screws, particularly the black metal mounting screws that are screwed into the nylon spacer. Over-tightening them would deform the nylon and the screw thread would lose grip.
3) When fitting front panel controls be careful not to scratch the metal surface with pliers etc! I found that they can be tightened sufficiently by hand, as the nuts grip the panel. No pliers were needed, for the front panel controls. You will need pliers for the rear panel connectors.