Open Baffle Subwoofer?

baffle trim BE@ Ea Recessed low

baffle The Specification as open to inspection under Section 91 slot in an arm y attached to the valve s Both the pulleys j , k are

slot dana 66 baffle trim BE@ Ea Recessed low

slot gratis RandyB is correct about the low acoustical output of OB woofers, which is why I built slot loaded U-frames similar to the photo below for my