What are the dimensions of this subwoofer enclosure?

The blueprint shows the box is thirty-five inches long (labeled 'THIRTHY FIVE INCHES LONG') with a 12 by 12 inch square cross-section.

Which way should the enclosure face when installed?

The drawing notes 'FRONT TOWARDS TRUNK AREA,' meaning the front of the enclosure faces the trunk area.

Where is the vent located on this box design?

The 'VENT AREA' is at one end of the enclosure (the left end in the side-view drawing), opposite the angled driver.

How do you access the inside of the box and connect speaker wire?

There is an 'ACCESS COVER ON END' (the 12x12 end panel, secured with screws around its perimeter), and the speaker connections are made via 'BINDING POSTS' shown on a round terminal cup in that cover.

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DIY Auto Tuba Subwoofer Box Blueprint - 35" x 12" x 12" (2008 Ford Mustang)

Dimensioned drawing of a rectangular enclosure/box noting length, 12 by 12 square end and vent area

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Dimensioned fabrication drawing of a rectangular enclosure showing length, a 12 by 12 square access-cover end and a vent area.

AI caption December 2010 · Photo 37 of 39

This document is a simple hand-drawn blueprint/sketch for a DIY subwoofer enclosure (an 'auto tuba' style design, per the filename) intended for installation in a 2008 Ford Mustang. The left drawing shows a side view of a long rectangular enclosure labeled 'THIRTHY FIVE INCHES LONG' (thirty-five inches). The leftmost section is marked 'VENT AREA,' the large interior cavity is labeled 'YOUR MAGIC IN HERE!' (where the speaker driver and internal construction go), and an angled driver/baffle is sketched at the right end. A note below indicates orientation: 'FRONT TOWARDS TRUNK AREA.' The right drawing shows the end view of the box, labeled '12 BY 12 SQUARE' (12 x 12 inches), with a removable 'ACCESS COVER ON END' held by a ring of screws (shown as dots around the perimeter), and a circular terminal cup pointing to 'BINDING POSTS' for the speaker wire connections. The blueprint conveys the overall dimensions (35 inches long, 12 x 12 inch cross-section), vent placement, driver orientation, access panel location, and wiring terminal placement, but does not include material thickness, driver size, port dimensions, or tuning specifications.

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Frequently asked questions

What are the dimensions of this subwoofer enclosure?: The blueprint shows the box is thirty-five inches long (labeled 'THIRTHY FIVE INCHES LONG') with a 12 by 12 inch square cross-section.
Which way should the enclosure face when installed?: The drawing notes 'FRONT TOWARDS TRUNK AREA,' meaning the front of the enclosure faces the trunk area.
Where is the vent located on this box design?: The 'VENT AREA' is at one end of the enclosure (the left end in the side-view drawing), opposite the angled driver.
How do you access the inside of the box and connect speaker wire?: There is an 'ACCESS COVER ON END' (the 12x12 end panel, secured with screws around its perimeter), and the speaker connections are made via 'BINDING POSTS' shown on a round terminal cup in that cover.