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Subwoofer Box Universal 18

Ported Box for 18 inch Subwoofer


18 inch subwoofer box Universal 18

Subwoofer Box Specifications

Enclosure Name: Universal 18

Subwoofer Size: 18 inch

Subwoofer Count: 1

Box External Dimensions
Width × Height × Depth
36.02" × 20.31" × 19.69"
Material Thickness 0.71"
Net Internal Volume 5.83 ft3
Tuning Frequency 36 Hz
Port Area 85.2 inch2
Port Inlet
Width × Height
4.51" × 18.90"
Port Length 19.14"


Detail Size Quantity
Top / Bottom 36.02" × 19.69" 2
Front 30.80" × 18.90" 1
Rear 36.02" × 18.90" 1
Left 18.27" × 18.90" 1
Right 18.98" × 18.90" 1
Port 13.05" × 18.90" 1
Ø427mm 36.02" 30.80" 19.69" 18.27" 19.69" 18.27" 20.31" 18.90" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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