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Subwoofer Box DD Audio 818f 25hz

Ported Box for 18 inch Subwoofer

Box External Dimensions
Width × Height × Depth
28.00" × 22.00" × 26.59"
Material Thickness 0.75"
Net Internal Volume 7.00 ft3
Tuning Frequency 25 Hz
Port Area 54 inch2
Port Inlet
Width × Height
2.63" × 20.50"
Port Length 24.28"


Detail Size Quantity
Top / Bottom 28.00" × 26.59" 2
Front / Rear 28.00" × 20.50" 2
Left 25.09" × 20.50" 1
Right 21.71" × 20.50" 1
Port 24.28" × 20.50" 1
Ø412.8mm 28.00" 26.59" 25.09" 26.59" 25.09" 22.00" 20.50" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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