What is your favorite material for loudspeakers?


So what is your preferred choice for loudspeaker cabinet materials and finish? Veneers, Laminates,Metals, Carbon, Solid hard woods, Partical board, birch plywood. Plastic coats,Plastic,Aluminum, Paint,Lacquers, French polish, Oil? So pick your cab material, veneer or other, finish choice what even you like? For me birch plywood with veneer and french polish. Whats your choice?
johnk
Concrete blocks? Were they sand filled?
I was speaking to a system I saw once where the speakers were poured in place. I suspect the chimney block effort was sabotaged by the front/rear panels.
ALL concrete is the way to go! A couple inches of Portland will never rattle.
I saw a pair of Usher monitors and stands recently with what appeared to be largely marble construction, unless it was a synthetic material of some sort like that stuff they use in countertops (Corian?). Very pretty and very heavy!
Magfan...Chimney blocks have no voids to fill. Agreed that concrete won't rattle, but it will ring, and at a low frequency.