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Ported Box
for Dual 18 inch Subwoofers
| Slot (Right Panel)
Net Internal Volume: 15 ft3.
Port Area: 16 in2.
Tuning Frequency: 30 Hz.
Ported Box
for 18 inch Subwoofer
| Pipe (Right Panel)
Net Internal Volume: 6.8 ft3.
Pipe Inner Diameter: 250 mm
Tuning Frequency: 32.0 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Right Panel)
Net Internal Volume: 7 ft3.
Port Area: 112 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 14.1 ft3.
Port Area: 65.1 in2.
Tuning Frequency: 17 Hz.
Ported Box
for Dual 18 inch Subwoofers
| Pipe (Front Panel)
Net Internal Volume: 12 ft3.
Tuning Frequency: 32 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 5.5 ft3.
Port Area: 80 in2.
Tuning Frequency: 32 Hz.
Ported Box
for Dual 18 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 11.3 ft3.
Port Area: 139.5 in2.
Tuning Frequency: 30 Hz.
Ported Box
for Dual 18 inch Subwoofers
| Pipe (Right Panel)
Net Internal Volume: 12 ft3.
Pipe Inner Diameter: 330.2 mm
Tuning Frequency: 30 Hz.