Below are the steps for my dual monoblock NCore 400 build - 2 NCore 400 modules and 2 SMPS 600 modules. The cases I used are from www.siliconray.com
model RE2207, about $150 for a pair shipped to the US which takes about 3 weeks. They are a perfect fit and very easy to work on.
NCore 400 as supplied with cables and mounting screws.
SMPS600 as supplied with cables and mounting screws.
Rear panel - IEC with integrated rocker switch from Digikey, Neutrik XLR, Cardas Patented Binding Posts (CPBP).
I ground through the anodizing for 1 IEC mounting hole and 1 XLR mounting hole for proper case grounding.
Star tooth locking washers were used beneath to get a good grip.
The only wiring to be done is for the AC connections (2), XLR (3), and binding posts (2).
I later added a SPST mini-toggle for the nAMPON in between the XLR and CPBP's.
Layout for the bottom pan.
Use tight twist on the SMPS to NCore cable and others.
Keep them away from each other.
The NCore mounts with 3 countersunk M3 screws directly to the pan, the SMPS mounts on 4 supplied standoffs. One is metal, the other 3 are insulated.
I also tapped 4 holes in the bottoms of the SiliconRay cases for the 4 supplied rubber feet just for convenience.
Final test with inputs and outputs not connected.
Relays click and LED's should light (regardless of nAMPON signal).
Measure and adjust the input and output offsets as needed,
using Hypex instructions.
Final resting place on top of an 18"x12"x3" maple block on my external Geddes Abbey 12 crossovers.
Rear panel view shown with nAMPON switch added.
Very convenient for just muting the amps as the rocker switch on the IEC is partially covered by the AC plug.
All cabling is DH Labs, with a short 3' speaker run to my XO's beneath.
Have fun building and happy listening!