starting to cut and sand pieces for braising

plate cutting to weld

sanding and plasma cutting

we then marked out where to cut with plasma cutter and cut it out.

sanded bottom for braise

after getting the fire extinguishers i sanded the bottom so we could braise a bottom plate on, later we decided against braising to retain inside access to cross overs and wires.

Half scale model

after making the faceplate i made a half scale model of the speaker

half scale faceplate

once deciding on making the speakers out of fire extinguishers i made a half scale faceplate mockup.

conceptual shapes

starting off with drawing up some very rough concepts for the speaker design.