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Subwoofer Box Alphard 275

Ported Box for 15 inch Subwoofer

Box External Dimensions
Width × Height × Depth
36.22" × 16.93" × 12.67"
Material Thickness 0.63"
Net Internal Volume 3.00 ft3
Tuning Frequency 38 Hz
Port Area 46.5 inch2
Port Inlet
Width × Height
2.97" × 15.67"
Port Length 20.57"


Detail Size Quantity
Top / Bottom 36.22" × 12.67" 2
Front 32.62" × 15.67" 1
Rear 36.22" × 15.67" 1
Left 11.41" × 15.67" 1
Right 12.04" × 15.67" 1
Port 8.44" × 15.67" 1
Port 7.90" × 15.67" 1
Ø362mm 36.22" 32.62" 12.67" 11.41" 12.67" 11.41" 16.93" 15.67" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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