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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" (2Ω) 0.9 0.8 0.6 1.36 1.03 0.92 0.69 1.63 1.38 1.18
(4Ω) 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