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For Vented Enclosures
The JackHammer requires a volume of 8.7 cubic ft (net) per woofer. The woofer’s displacement is 1.8 cubic ft.
The port’s internal dimensions are 24-
1
⁄8" x 3-
3
⁄16" x 10" and it takes approximately
.5 cubic ft. The total gross volume will be 11.0 cubic ft.
The fi nal tuning frequency is 32Hz. Additional vented box suggestions are 7.75 to 9.5 (net) cubic ft. Remember
to account for the driver (1.8 cubic ft) and the port displacement, with port tuning ranges from 32 to 42Hz,
when mounting.
RECOMMENDED ENCLOSURE REQUIREMENTS
For Sealed Enclosures
The JackHammer requires a volume of 4.2 cubic ft (net) per woofer. The woofer’s displacement is 1.8 cubic ft.
The total gross volume will be 6 cubic ft.
Additional ranges of sealed volumes for a sealed box is 5 cubic ft or greater gross volume.