JBL MTC-81BB8 | Deep Backcan for 8138 Loudspeaker 4 Pcs
JBL MTC-81BB8 | Deep Backcan for 8138 Loudspeaker 4 Pcs
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JBL MTC-81BB8 Deep Backcan for 8138 Loudspeaker 4 Pcs
The MTC-81BB8 is designed for use in applications requiring preinstalled backcans and is compatible with ceiling speakers having a 286 mm (11.25 in) mounting circle diameter, such as the JBL 8138 ceiling loudspeaker, and the JBL MTC-81TB8 tile bridge for suspended ceilings.
Key Features
- Fits 8138 speaker and MTC-81TB8 Tile Bridge
- Extra-large 7.4 liter (0.26 cu ft) volume allows for extra bass
- Industry standard 286 mm (11.25 in) mounting circle
- Five conduit knockouts
- Nesting during storage minimizes storage space requirements
Technical Specifications
Internal Volume: 7.4 liters (0.26 cu ft)
Knockouts: 22 mm (0.87 in) diameter opening
Five (5) locations:
4 on side of can
1 on top of panel of can
Suspension Tabs: 2 flexible perforated mounting straps, one on each side.
Attachment Points:
4 clip-nuts on 286 mm (11.25 in) mounting circle fix M4 tapping screws for attaching tile bridge to backcan, plus 4 thru holes providing clearance for screws from speaker to attach to tile bridge (see assembly drawing).
Material: 16 gauge (1.3 mm thick) steel, finished in black polymer E-coating for a high level of rust resistance.
Associated Models:
8138 200 mm (8 in) ceiling speaker
MTC-81TB8 tile bridge for 600 mm (24 in) ceiling tile applications.
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