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Subwoofer Box DB Drive 18 at 28hz

Ported Box for 18 inch Subwoofer

Box External Dimensions
Width × Height × Depth
38.50" × 20.00" × 25.46"
Material Thickness 0.63"
Net Internal Volume 7.00 ft3
Tuning Frequency 28 Hz
Port Area 92 inch2
Port Inlet
Width × Height
4.91" × 18.74"
Port Length 33.45"


Detail Size Quantity
Top / Bottom 38.50" × 25.46" 2
Front 32.96" × 18.74" 1
Rear 38.50" × 18.74" 1
Left 24.20" × 18.74" 1
Right 24.83" × 18.74" 1
Port 19.30" × 18.74" 1
Port 7.98" × 18.74" 1
Ø424.2mm 38.50" 32.96" 25.46" 24.20" 25.46" 24.20" 20.00" 18.74" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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