Installation Instructions / Owner’s Manual
Sealed Enclosure
Box Volume 1.15cu ft.
Ported Enclosure
Box Volume 1.42cu ft.
Box Tuning 39Hz
Port Diameter 4in
Port Length 18in
HW12D4
Please Note: Our suggested box volumes are given as internal air requirements.
HW12D4
Recommended Enclosures
PORTED
SEALED
12.40in./315mm
10.82in./275mm
5.51in./140mm
5.73in./145.5mm
5.53in./140.5mm
5.31in./135mm
