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RE: Advent Evolution

Madisound calculated 1.5 cubic feet to get a Q = 0.7. Anything close to that would be OK. The Advents are 1.6 cubic ft. So various AR's using the 10" woofer, KLH 6 or 23, Advents up into the 5002, models from ADC, Fisher, Scott, Marantz, etc. Lots of solid boxes with older drivers around. You could also use a ported cabinet if you close the port and fill the cabinet with Acousta-stuf or fiberglass.

A bigger box will lower the Q, a smaller one will raise it and raise the Fb, the in-box resonant frequency.

The frame on the A26RE4 is a little bigger than the usual 10"; so it won't fit into the recess for a standard 10" and you'd need to be handy with a router. If the original woofer mounted to the front of the baffle and the hole is close, it would be a lot easier. Adapting the SEAS woofer is where ingenuity comes in.

Jerry

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