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Subwoofer Box Tripple 18 sub box, 20Hz

Ported Box for 18 inch

Box External Dimensions
Width × Height × Depth
70.87" × 21.65" × 33.20"
Material Thickness 0.63"
Net Internal Volume 14.13 ft3
Tuning Frequency 20 Hz
Port Area 217.0 inch2
Port Inlet
Width × Height
10.64" × 20.39"
Port Length 85.44"


Detail Size Quantity
Top / Bottom 70.87" × 33.20" 2
Front 59.59" × 20.39" 1
Rear 70.87" × 20.39" 1
Left 31.94" × 20.39" 1
Right 32.57" × 20.39" 1
Port 21.30" × 20.39" 1
Port 52.25" × 20.39" 1
Ø160mm Ø160mm Ø160mm 70.87" 59.59" 33.20" 31.94" 33.20" 31.94" 21.65" 20.39" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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