Subwoofer Box Sundown Audio 18"
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 12.5 ft3.
Port Area: 122 in2.
Tuning Frequency: 28 Hz.
Subwoofer Box Dayton Audio 18 umii 18-22
Ported Box
for 18 inch Subwoofer
| Pipe (Right Panel)
Net Internal Volume: 8 ft3.
Pipe Inner Diameter: 254 mm
Tuning Frequency: 25 Hz.
Subwoofer Box B&C Speakers 21DS115 Ø20x42.70cm port 311L
Ported Box
for 18 inch Subwoofer
| Pipe (Front Panel)
Net Internal Volume: 11.0 ft3.
Tuning Frequency: 21.1 Hz.
Subwoofer Box B&C Speakers 21DS115 Ø20x34.95cm port 269L
Ported Box
for 18 inch Subwoofer
| Pipe (Front Panel)
Net Internal Volume: 9.5 ft3.
Tuning Frequency: 24.3 Hz.
Subwoofer Box Skar Audio 18" zvx box plans (adj port)
Ported Box
for 18 inch Subwoofer
| Slot (Right Panel)
Net Internal Volume: 5.3 ft3.
Port Area: 78 in2.
Tuning Frequency: 32 Hz.
Subwoofer Box 2X18''
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 9.9 ft3.
Port Area: 196.6 in2.
Tuning Frequency: 34 Hz.
Subwoofer Box XW 184 X4
Ported Box
for 18 inch
| Slot (Front Panel)
Net Internal Volume: 21.2 ft3.
Port Area: 328.0 in2.
Tuning Frequency: 33 Hz.
Subwoofer Box B&C Speakers 18TBW100 8Ω
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 6.4 ft3.
Port Area: 126.5 in2.
Tuning Frequency: 36 Hz.
