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Old 11th June 2006

Originally Posted by tom durack
I've owned BM15As, BM15s, and now the BM5As; all are ported designs. For what it's worth, both pairs of 15s came with foam plugs for the ports which would dramatically tighten up the LF response, depending upon the cabinets' proximity to rear or side walls.

My goodness, was I wrong :-)? I thought the BM15A was a sealed box. Regardless, it's low end behavior is very neutral with little or no resonance.