Recommended Enclosures Please Note: Our suggested box volumes are given as internal air requirements Sealed Enclosure Box Volume 1.25cu.ft. * Box is given as internal air volume including driver displacement. Ported Enclosure Box Volume 1.5 cu.ft. Box Tuning 38Hz Port Diameter 4in. Port Length 16in.
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NTRODUCTION Congratulations on your purchase of a DB Drive state-of-the-art subwoofer compo- nent. Your selection of a DB Drive car audio product indicates a true appreciation of fine musical reproduction. Whether adding to an existing system or including a DB Drive subwoofer in a new system, you are certain to notice immediate performance benefits.