Rockford Fosgate PUNCH P2D412 - Manual (Page 3)

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NOTE: Vb is the gross volume, which is the TOTAL internal volume, before any speaker and/or port displacement.
All external dimensions were based on the use of 3/4" (1.90cm) materials.
NOTE: When using enclosures other than recommended, call Technical Support for correct application.
NOTE: Vb is the gross volume, which is the TOTAL internal volume, before any speaker and/or port displacement.
All external dimensions were based on the use of 3/4" (1.90cm) materials.
NOTE: When using enclosures other than recommended, call Technical Support for correct application.
S EALED E NCLOSURES
V
ENTED
E
NCLOSURES
Specifications subject to change without notice
Optimum Sealed Enclosure Recommendation
Recommended Sealed Enclosure Volume Range
SEALDED ENCLOSURES 8" 10" 12" 15"
P2D28 / P2D48 P2D210 / P2D410 P2D212 / P2D412 P2D215 / P2D415
Vb- Internal Area cu. ft. 0.23 0.59 1.02 1.58
(Liter) (6.51) (16.42) (28.88) (44.74)
F3- -3dB Point (Hz) 69.70 46.81 40.57 34.30
Qtc- Enclosure Damping 0.656 0.784 0.952 1.197
H - Height-inch 10.0 12.0 14.0 18.0
(cm) (25.40) (30.48) (35.56) (45.72)
W - Width-inch 12.0 14.0 18.0 21.0
(cm) (30.48) (35.56) (45.72) (53.34)
D - Depth-inch 6.0 9.25 10.0 10.0
(cm) (15.24) (23.50) (25.40) (25.40)
SEALDED ENCLOSURES 8" 10" 12" 15"
P2D28 / P2D48 P2D210 / P2D410 P2D212 / P2D412 P2D215 / P2D415
Vb- Volume Range cu. ft. 0.20 to 0.30 0.50 to 0.85 0.70 to 1.80 1.30 to 3.50
(Liter) (5.66 to 8.50) (14.16 to 24.07) (19.82 to 50.97) (36.81 to 99.10)
H
W
D
Specifications subject to change without notice Number of ports noted in ( )
Optimum Vented (Ported) Enclosure Sizes
VENTED ENCLOSURES 8" 10" 12" 15"
P2D28 / P2D48 P2D210 / P2D410 P2D212 / P2D412 P2D215 / P2D415
Vb- Internal Area cu. ft. 0.65 1.40 1.79 2.66
(Liter) (18.41) (39.64) (50.69) (75.32)
Fb- Tuning Frequency (Hz) 38.5 40.1 39.5 32.0
F3- -3dB Point (Hz) 34.4 32.8 33.1 29.6
H - Height-inch 12.0 12.0 14.0 18.0
(cm) (30.48) (30.48) (35.56) (45.72)
W - Width-inch 18.0 20.0 25.0 28.0
(cm) (45.72) (50.80) (63.50) (71.12)
D - Depth-inch 8.0 14.0 12.0 12.0
(cm) (20.32) (35.56) (30.48) (30.48)
P - Port Diameter and
Length-inch (1) 2 x 8 (1) 4 x 14 (1) 4 x 10 (1) 4 x 10
(cm) (1) (5.08 x 20.32) (1) (10.16 x 35.56) (1) (10.16 x 25.40) (1) (10.16 x 25.40)
P
H
W
D
NOTE: The port shown can be placed on any face of the enclosure as long as the port ends are not obstructed.