Does this look familiar...? B&W LM1
Yes, those cabinets are die-cast alu!
"They weigh about 15 pounds each,and have a 5 inch woven kevlar woofer. The basket of the woofer is the same casting as the front baffle, meaning that effectively the woofer is the front baffle, giving the system extraordinary rigidity, which at least partially accounts for the incredibly uncoloured sound this speaker delivers."
The front layout is copied on these:


Yes, those cabinets are die-cast alu!
"They weigh about 15 pounds each,and have a 5 inch woven kevlar woofer. The basket of the woofer is the same casting as the front baffle, meaning that effectively the woofer is the front baffle, giving the system extraordinary rigidity, which at least partially accounts for the incredibly uncoloured sound this speaker delivers."
The front layout is copied on these:
