Ref: JP3290
The JBL MTC-300BB8 Backcan for JBL Control 300 Series 8-inch Ceiling Speakers is a 16 gauge metal construction back box lined with heavy duty MDF.
JBL MTC-300BB8 Backcan for JBL Control 300 Series 8-inch Ceiling Speakers Features
- Extra-thick 16 gauge metal construction.
- Lined with 12 mm (½ inch) thick MDF to eliminate resonances and to provide extra bass response.
- Knockouts on top and side
JBL Control 312CS 12-Inch High-Output Ceiling Subwoofer Loudspeaker Specifications
- External Volume: 1 cu ft., nominal
- Internal Volume: .71 cu ft.
- Knockouts: 22.1 mm (0.87-inch) diameter openingFive (5) locations: 1 on top panel4 on side of can
- Height: 259 mm (10.2-inch) above ceiling268 mm (10.6-inch) total height
- Outside diameter: 380 mm (15.0-inch)
- Inside Diameter: 273 mm (10.7-inch)
- Ceiling Cutout Size: 310 mm (12.2-inch)
- Safety Agency Rating: Suitable for use in air handling spaces, perU.L.-2043, U.L.-1480, NFPA90 & NFPA70A
- Net Weight: 5.2 kg (11.5 lbs)
- Shipping Weight: 7.9 kg (16.5 lbs)
JBL MTC-300BB8 Backcan for JBL Control 300 Series 8-inch Ceiling Speakers Compatibility
- JBL Control 328C Ceiling Speaker
- JBL Control 328CT Ceiling Speaker