Lowell CP87
Lowell CP87

Lowell CP87

Lowell CP87
Item# CP87

Product Description


Backbox #CP87

Backbox with extended grille mounting flange for recessed installation is ideal for new construction where the flange can protect the opening from plaster, poured concrete or sheetrock. It can also be used in new or existing construction when installed in suspended tile ceilings.


• Material:   Welded heavy gauge unitized steel

• Diameter:  12.00 in.

• Depth:  6.69 in.

• Volume:   0.438 cu.ft.

• Acoustical Treatment:  Undercoated,  batting

• Mounting & Installation Aids:  Knockouts, clips

• For Grille Type:  Screw-mount

• Flange Type:  Extended lip


• Made in U.S.A.

• Certified U.S. steel



The recessed backbox for 8 in. speakers shall be Lowell Model No. CP87, which shall be 22-gauge steel with a black powder epoxy finish, undercoated to eliminate acoustic and mechanical resonance. It shall have a 12 in. diameter with 6.69 in. depth. The backbox shall feature an extended grille mounting flange, four 0.5–0.75 in. compound knockouts for conduit, four 0.5 in. knockouts for wire and 1.5 in. thick acoustic lining.


Scroll to top