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Subwoofer Box GRS 18PT-8 400L

Ported Box for 18 inch Subwoofer

Box External Dimensions
Width × Height × Depth
35.43" × 23.62" × 37.41"
Material Thickness 0.71"
Net Internal Volume 14.13 ft3
Tuning Frequency 17 Hz
Port Area 65.1 inch2
Port Inlet
Width × Height
2.93" × 22.20"
Port Length 33.10"


Detail Size Quantity
Top / Bottom 35.43" × 37.41" 2
Front 31.79" × 22.20" 1
Rear 35.43" × 22.20" 1
Left 35.99" × 22.20" 1
Right 36.70" × 22.20" 1
Port 32.35" × 22.20" 1
Ø422.9mm 35.43" 31.79" 37.41" 35.99" 37.41" 35.99" 23.62" 22.20" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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