The cut sections of the cabinet, except for the base, are glued as shown in the drawing. The base is removable and is screwed to four laths that have been glued into position.
The fine bevel at the interface between the upper front part and the angled baffle can be made with an adjustable jig or circular saw or you may simply round off the edges with a rasp.
The recesses for the speakers should be cut a little larger in diameter to allow for tolerances and the thickness of the paint or varnish.
The crossover is divided across two circuit boards. One circuit board is attached to the removable base. The second is mounted on the rear wall behind the bass cut-out.
Two sheep's wool mats are evenly distributed in the upper half of the housing.