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

R

ecommended 

E

nclosures

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

®

Q3000/12D - Q3000/15D

S

ealed Enclosure

Box Volume 

1.40 cu ft.

P

orted Enclosure

Box Volume 

2.48 cu ft.

Box Tuning 39Hz
Port Diameter 4in
Port Length 6in

Q3000/12D

S

ealed Enclosure

Box Volume

 

2.33 cu ft.

P

orted Enclosure

Box Volume 

2.95 cu ft.

Box Tuning 39Hz
Port Diameter 6in
Port Length 13in

Q3000/15D

sealed

ported

170 mm / 6.69 in

278 mm / 10.94 in
313 mm / 12.32 in

204 mm / 8.03 in

351 mm / 13.81 in
391 mm / 15.39 in

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