Overview
JBL's MTC-300BB8 One-Cubic-Foot Backbox features extra-thick 16-gauge metal construction and a thick resonance-eliminating lining that also provides extra bass response. Made for the Control 328C and 328CT 8" Drivers, this backbox has knockouts on the sides and top panel.
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.
Specs
| External Volume | 1 cu ft., nominal | |
| Internal Volume | .71 cu ft. | |
| Knockouts | 22.1 mm (0.87 in) diameter opening Five (5) locations: 1 on top panel 4 on side of can |
|
| Height | 259 mm (10.2 in) above ceiling 268 mm (10.6 in) total height |
|
| Outside Diameter | 380 mm (15.0 in) | |
| Inside Diameter | 273 mm (10.7 in) | |
| Ceiling Cut Out | 310 mm (12.2 in) | |
| Safety Agency Rating | Suitable for use in air handling spaces, per U.L.-2043, U.L.-1480, NFPA90 & NFPA70A |
|
| Net Weight | 5.2 kg (11.5 lbs) | |
| Shipping Weight | 7.9 kg (16.5 lbs) |
