12K thumbnail Shown here is a view of the hatch area prior to laying the fiberglass shell of the subwoofer enclosure. This particular vehicle is equiped with t-tops which led to the removal of the t-top storage racks In this photo you can see that the mounting bolts were covered to prevent the fiberglass from forming around them and locking the shell into place.
15K thumbnail Shown here is a view of the hatch area after laying a plastic drop cloth and having laid a layer of fiberglass into the storage well.
15K thumbnail Shown here is another view of the fiberglass laying process. Overall close to 3 gallons of fiberglass resin and several square feet of fiberglass mesh were used in the construction of the subwoofer encolsure.
14K thumbnail Shown here is a view of the subwoofer enclosure shell after laying 2-3 layers of fiberglass and trimming the top edges.
13K thumbnail Shown here is another view of the subwoofer enclosure shell.
12K thumbnail Shown here is a view of the subwoofer enclosure with a sheet of 3/4 inch MDF and the three 10 inch Petras Hyperthrow dual voice coil subwoofers in place to test for fit before the MDF was fiberglassed onto the subwoofer enclosure shell.
11K thumbnail Shown here is the process of measuring the final volume of the subwoofer enclosure. Packing peanuts were used to fill the enclosure via a pre-determined volume box used as a 'measuring cup'. Final enclosure volume was calculated to be approximatly 1.56 cubic feet.
11K thumbnail Shown here is the subwoofer enclosure after adding polly-fiberfill. The enclosures calculated volume is approximatly 1.56 cubic feet. The three 10 inch subwoofers use a total of about .18 cubic feet of airspace. With the pollyfill added the subwoofers see a volume of approximatly 1.58 cubic feet, manufacturer specs called for 1.5 cubic feet for the three woofer setup. The subs are dual 6-ohm voice coil, they are wired to present a 4-ohm load to the amp.
9K thumbnail Shown here is a view of the subwoofer enclosure in place with a piece of 1/4 inch wood that has been cut to the shape of the vehicle body panels on top which will be used as a trim ring ontop of the subwoofer enclosure.
14K thumbnail Shown here is a view of the subwoofer enclosure with the trim board in place after vinyl was added. A layer of silicone sealant was placed between the subwoofer enclosure and the trim board. The subwoofers were then screwed into place directly onto the vinyl trimboard.
14K thumbnail Shown here is the subwoofer enclosure installed with a piece of carpeted 1/2 inch MDF added as final trim. The cutout from the 1/2 MDF board will later be used for manufacturing the subwoofer grill.
11K thumbnail Shown here is the section of wood which was previously removed from the carpeted trim panel over the subwoofer enclosure. The board was cut again to create a ring.
23K thumbnail Shown here is a view of the metal mesh that was cut to the shape of the ring before using bondo to fasten the mesh and wood ring together.
24K thumbnail Shown here is a view of the subwoofer grill after the metal mesh and wood ring were joined with bondo.
11K thumbnail Shown here is the subwoofer grill in place complete with grill cloth.

Copyright ©Russell A. Hatfield, 2001-forever

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