Precision Power PC8C2 - Manual (Page 12)

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POWERCLASS PC12 C2 Subwoofer
PC12 C2 Sealed Enclosures
Net Volume Internal Dimensions (see page 15)
1.0 cubic feet 20”L x 12”W x 7.75”D
1.25 cubic feet 21.25”L x 13.25”W x 8.125”D
1.5 cubic feet 22.5”L x 14”W x 8.625”D
PC12 C2 Bandpass Enclosures
Net Volume Internal Dimensions (see page 19)
Low Gain .94cu.ft. Sealed 15"L x 15"W x 7.75"C1
32Hz to 103Hz .8 cu.ft. Ported 15"L x 15"W x 6.625"C2
Port Tuned to 60Hz 4"Dia x 8.375" Long Port
Medium Gain .7 cu.ft. Sealed 15"L x 15"W x 6.0"C1
45Hz to 98Hz 1.2 cu.ft. Ported 15"L x 15"W x 10.125"C2
Port Tuned to 68Hz 2) 4"Dia x 8.5" Long Ports
High Gain .6 cu.ft. Sealed 15"L x 15"W x 5.125"C1
53Hz to 95 Hz 1.7 cu.ft. Ported 15"L x 15"W x 13.5"C2
Port Tuned to 70Hz 2) 4"Dia x 4.5" Long Ports
PC12 C2 Ported Enclosures
Net Volume Internal Dimensions (see page 17)
1.25 cubic feet 22.75”L x 14”W x 7.5”D
Port Tuned to 45Hz 4"Dia x 10.0" Long Port
1.75 cubic feet 24.75”L x 15”W x 8.75”D
Port Tuned to 40Hz 4"Dia x 8.5" Long Port
2.50 cubic feet 27.25”L x 17”W x 9.75”D
Port Tuned to 35Hz 4"Dia x 7.5" Long Port
Outer Diameter 12.0” / 305mm
Mounting Hole Diameter 11.00” / 280mm
Mounting Depth (from bottom of top ring) 5.5" / 140mm
Speaker Displacement .075 cuft / 2.12 liter
Basic Working Dimensions for the PC12 C2
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