Nothing is difficult. The clamps are very easy to use. The clamps also make it easy to align the mounting dowels and holes to get everything to push together. Then use the clamps to pull the panel to the baffle tight for the glue to set.
Once I get the top and bottom panel on, just have to put on the strap to clamp it to finish glue drying.
I am going to commit sacrilege and use fast-on connectors to the speaker terminals. They make cold weld connections if you know how to crimp properly. Will be wired up before woofer install. Through holes are already in the baffle for wire feeds.
The hardest part is wiring up the Neutrik Speakon connectors, as the wire is solid core and stiff. Still not a big issue. Going to use 14awg Romex wire from the fast-ons to Speakon connectors. I get it at the local Lowes as Romex 14-2 and remove the jacket and ground line. Probably 50' will do both speakers.
The woofer mounting holed are pre drilled, so just install the woofers and screw them down.
More pictures as I finish them.