- DB Research Subwoofer Owner's Manual

Table Of Contents

Please Note: Our suggested box volumes are given as internal air requirements

Sealed Enclosure

Box Volume 1.25cu.ft.

Ported Enclosure

Box Volume 1.5 cu.ft.

Box Tuning 38Hz

Port Diameter 4in.

Port Length 16in.

* Box is given as internal air volume including driver displacement.

* Box is given as internal air volume including port and driver displacement.

Recommended Enclosures

SPW12.3D2 / SPW12.3D4

12” Subwoofer

SPW12.3D2 / SPW12.3D4

Installation Instructions / Owner’s Manual

DB Research L.L.P.

302 Hanmore Industrial Parkway // Harlingen, TX 78550

ph: 877.787.0101 // fx: 956.421.4513 // www.dbdrive.net

12.25 in. / 31.11 cm

10.87 in. / 27.60 cm

5.37 in. / 13.63 cm

5.88 in. / 14.90 cm

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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 SPW12.3D2 / SPW12.3D4 12” Subwoofer Installation Instructions / Owner’s Manual Box Volume 1.5 cu.ft. Box Tuning 38Hz Port Diameter 4in. Port Length 16in. * Box is given as internal air volume including port and driver displacement. SPW12.3D2 / SPW12.3D4 5.37 in. / 13.63 cm 5.
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INTRODUCTION Congratulations on your purchase of a DB Drive state-of-the-art subwoofer component. 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. PRODUCT SPECIFICATIONS SPW12.3D2 SPW12.3D4 33..8Hz 34.7Hz Free Air Resonance. (FS) Total Q of driver @ FS including all resistances only. (Qts.) 0.75 0.