Rockford Fosgate PRIME R2 SHALLOW Manuel D'installation page 3

S
EALED
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.
V
ENTED
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: The port shown can be placed on any face of the enclosure as long as the port ends are not obstructed.
NOTE: When using vented enclosures, for maximum reliability and power handling ensure that a subsonic or "infrasonic" filter is used so that
only usable low frequency signal is sent to the subwoofer.
E
NCLOSURES
E
NCLOSURES
Optimum Sealed Enclosure Recommendation
SEALED ENCLOSURES
V b - Internal Area cu. ft.
(Liter)
F 3 - -3dB Point (Hz)
Qtc- Enclosure Damping
H - Height-inch
(cm)
W - Width-inch
(cm)
D - Depth-inch
(cm)
Recommended Sealed Enclosure Volume Range
SEALED ENCLOSURES
V b - Volume Range cu. ft.
(Liter)
Optimum Vented (Ported) Enclosure Sizes
VENTED ENCLOSURES
V b - Internal Area cu. ft.
(Liter)
F b - Tuning Frequency (Hz)
F 3 - -3dB Point (Hz)
H - Height-inch
(cm)
W - Width-inch
(cm)
D - Depth-inch
(cm)
P - Port Diameter and
Length-inch
(cm)
Number of ports noted in ( )
3
10"
R2SD2-10 / R2SD4-10
0.70
(19.8)
41
0.97 / 1.03
16
(40.64)
20
(50.80)
6
(15.24)
10"
R2SD2-10 / R2SD4-10
0.50 to 0.75
(14.16 to 21.24)
Specifications subject to change without notice
10"
R2SD2-10 / R2SD4-10
1.40
(39.6)
42.0
32.3
14.0
(35.56)
17.0
(43.18)
15.25
(38.74)
(1) 4 x 13.7
(1) (10.16 x 34.80)
Specifications subject to change without notice
12"
R2SD2-12 / R2SD4-12
0.90
(25.5)
36
1.17 / 1.24
16.75
(42.55)
20
(50.80)
7
(17.78)
12"
R2SD2-12 / R2SD4-12
0.75 to 1.25
(21.24 to 35.40)
12"
R2SD2-12 / R2SD4-12
1.79
(50.7)
45.0
32.6
16.5
(41.91)
20.5
(52.07)
13.0
(33.02)
(1) 4 x 9.3
(1) (10.16 x 23.70)