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Subwoofer Box Sundown Audio u18

Ported Box for 18 inch Subwoofer

Box External Dimensions
Width × Height × Depth
32.00" × 12.50" × 24.92"
Material Thickness 0.75"
Net Internal Volume 3.50 ft3
Tuning Frequency 36.3 Hz
Port Area 55 inch2
Port Inlet
Width × Height
5.00" × 11.00"
Port Length 23.07"


Detail Size Quantity
Top / Bottom 32.00" × 24.92" 2
Front 26.25" × 11.00" 1
Rear 32.00" × 11.00" 1
Left 23.42" × 11.00" 1
Right 24.17" × 11.00" 1
Port 17.67" × 11.00" 1
Ø424mm 32.00" 26.25" 24.92" 23.42" 24.92" 23.42" 12.50" 11.00" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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