Hello Friend!
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 7 ft3.
Port Area: 100 in2.
Tuning Frequency: 30 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 12.0 ft3.
Port Area: 77.5 in2.
Tuning Frequency: 29 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 6.6 ft3.
Port Area: 86.0 in2.
Tuning Frequency: 42 Hz.
Ported Box
for Dual 18 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 7.1 ft3.
Port Area: 70.7 in2.
Tuning Frequency: 34 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 8 ft3.
Port Area: 51.7 in2.
Tuning Frequency: 20 Hz.
Ported Box
for Dual 18 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 14 ft3.
Port Area: 100 in2.
Tuning Frequency: 30 Hz.
Ported Box
for Dual 18 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 14 ft3.
Port Area: 100 in2.
Tuning Frequency: 30 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 5.8 ft3.
Port Area: 85.2 in2.
Tuning Frequency: 36 Hz.