3
Enclosure Recommendations
The ProSeries and Competitor Series subwoofers are
designed to deliver optimum performance in small
sealed enclosures. The Generator Series subwoofers are
designed for either sealed or ported enclosures. The fol-
lowing are the recommended enclosure volumes:
Sealed Enclosures
12.5LF 10.5LF 8.5LF
1500
1200
1000
800
GS1500
GS1200
GS1000
Gross Internal Volume
1.0ft
3
0.5ft
3
0.3ft
3
1.5ft
3
1.0ft
3
0.5ft
3
0.3ft
3
2.5ft
3
1.5ft
3
.75ft
3
-3dB Down Point—In Car
20Hz
20Hz
20Hz
20Hz
20Hz
20Hz
20Hz
20Hz
20Hz
20Hz
System "Q"
(2
Ω
)
0.9
0.8
0.6
1.36
1.03
0.92
0.69
1.63
1.38
1.18
(4
Ω
)
1.1
0.95
0.7
1.56
1.12
0.98
0.73
1.5
1.29
1.09
Recommended Enclosure Dimensions (Internal)
Height
10.5"
7.5"
6.5"
10"
10.5"
7.5"
6.5"
20"
16"
12"
Width
13.0"
11.0"
9.0"
16"
13.0"
11.0"
9.0"
16"
14"
11"
Depth
13.0"
11.0"
9.0"
16"
13.0"
11.0"
9.0"
13.5"
12"
9.75"
Ported Enclosures (Generator Series only)
GS1500
GS1200
GS1000
Gross Internal Volume
2.5ft
3
1.5ft
3
1.25ft
3
Tuning Frequency
35Hz
35Hz
33Hz
Port Diameter
4"D
3"D
3"D
Port Length
11"L
7.3"L
11"L
Recommended Enclosure Dimensions (Internal)
Height
20"
16"
14"
Width
16"
14"
11.5"
Depth
13.5"
12"
14"
ProSeries
Competitor Series
Generator Series