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Subwoofer Box Yamaha

Ported Box for 18 inch Subwoofer

Box External Dimensions
Width × Height × Depth
30.00" × 21.42" × 20.01"
Material Thickness 0.71"
Net Internal Volume 4.93 ft3
Tuning Frequency 35 Hz
Port Area 77.5 inch2
Port Inlet
Width × Height
3.87" × 20.00"
Port Length 23.85"


Detail Size Quantity
Top / Bottom 30.00" × 20.01" 2
Front 25.42" × 20.00" 1
Rear 30.00" × 20.00" 1
Left 18.59" × 20.00" 1
Right 19.30" × 20.00" 1
Port 14.72" × 20.00" 1
Port 3.84" × 20.00" 1
Ø420mm 30.00" 25.42" 20.01" 18.59" 20.01" 18.59" 21.42" 20.00" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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