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Subwoofer Box SD 18 UPWARDS FINAL

Ported Box for 18 inch Subwoofer


18 inch subwoofer box SD 18 UPWARDS FINAL

Subwoofer Box Specifications

Enclosure Name: SD 18 UPWARDS FINAL

Subwoofer Size: 18 inch

Subwoofer Count: 1

Box External Dimensions
Width × Height × Depth
41.50" × 25.00" × 20.90"
Material Thickness 0.75"
Net Internal Volume 7.00 ft3
Tuning Frequency 29 Hz
Port Area 120 inch2
Port Inlet
Width × Height
5.11" × 23.50"
Port Length 41.54"


Detail Size Quantity
Top / Bottom 41.50" × 20.90" 2
Front 35.65" × 23.50" 1
Rear 41.50" × 23.50" 1
Left 19.41" × 23.50" 1
Right 20.15" × 23.50" 1
Port 14.30" × 23.50" 1
Port 20.63" × 23.50" 1
Ø356mm 41.50" 35.65" 20.90" 19.41" 20.90" 19.41" 25.00" 23.50" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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