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Subwoofer Box GRS Shady Lady Sub

Ported Box for 12 inch Subwoofer

Box External Dimensions
Width × Height × Depth
18.00" × 18.00" × 20.05"
Material Thickness 0.75"
Net Internal Volume 2.50 ft3
Tuning Frequency 30 Hz
Port Area 24 inch2
Port Inlet
Width × Height
1.45" × 16.50"
Port Length 22.75"


Detail Size Quantity
Top / Bottom 18.00" × 20.05" 2
Front 15.80" × 16.50" 1
Rear 18.00" × 16.50" 1
Left 18.55" × 16.50" 1
Right 19.30" × 16.50" 1
Port 17.10" × 16.50" 1
Port 2.70" × 16.50" 1
Ø282.6mm 18.00" 15.80" 20.05" 18.55" 20.05" 18.55" 18.00" 16.50" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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