Backbox #8PSBX (polypropylene)
|Molded high density polypropylene plastic enclosure provides lightweight rust-resistant performance. The natural acoustic properties of plastic combined with interior ribs provide effective resonance and vibration control. For use with 8 in. driver in new or existing construction|
• Material: Polypropylene plastic with ribs
• Diameter: 10.00 in., tapered
• Depth: 4.00 in.
• Volume: 0.147 cu.ft.
• Mounting & Installation Aids: Knockouts, retaining clips
• For Grille Type: Screw-mount
The black enclosure for recessed installation of 8 in. drivers shall be conically shaped Lowell Model No. 8PSBX. It shall be injection molded 0.125 in. thick high density Tenite® Polypropylene plastic. It shall have four pre-molded thin wall knockouts spaced at 90-degree intervals for conduit and a ribbed interior framework for resonance and vibration control. It shall have a depth of 4 inches. The mounting flange for the grille shall have eight 0.218 in. diameter holes spaced at 45-degree intervals. The enclosure shall include factory-installed 8-32 screw retaining clips in four places spaced at 90-degree intervals. The diameter of the grille mounting bolt circle shall be 11.25 in.