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Subwoofer Box DD Audio 9917

Ported Box for 18 inch Subwoofer

Box External Dimensions
Width × Height × Depth
32.68" × 18.11" × 18.43"
Material Thickness 0.71"
Net Internal Volume 3.53 ft3
Tuning Frequency 28 Hz
Port Area 52.7 inch2
Port Inlet
Width × Height
3.16" × 16.69"
Port Length 42.40"


Detail Size Quantity
Top / Bottom 32.68" × 18.43" 2
Front 28.81" × 16.69" 1
Rear 32.68" × 16.69" 1
Left 17.01" × 16.69" 1
Right 17.72" × 16.69" 1
Port 13.85" × 16.69" 1
Port 23.97" × 16.69" 1
Ø285mm 32.68" 28.81" 18.43" 17.01" 18.43" 17.01" 18.11" 16.69" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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