The MTC-81TB8 tile bridge is designed for use in applications requiring pre-installed backcans in suspended ceiling applications and is compatible with ceiling speakers having a 286 mm (11¼ in) mounting circle diameter, such as the JBL 8138 ceiling Loudspeaker, and the JBL MTC-81BB8 pre-install backbox. The MTC-81TB8 is constructed with four thru-holes for attaching screws to backbox and four holes with clipnuts for the speaker attachment screws.
Fits 8138 speaker and MTC-81BB8 backbox
Load-bearing bridge eliminates ceiling tile sag by distributing weight to the ceiling's support system
Rust-resistant 19-Gauge (1 mm thick) steel construction and e-coated finish ensures long service life.
Fits 610 mm (24 in) and 600 mm (23.6 in) tile grids
Material: 19 gauge (1.0 mm thickness) steel, finished in black polymer e-coating for a high Level of rust resistance.
Attachment Points: 4 clip-nuts (ie, speed-clips, tinnerman clips) fit 4 mm tapping screws attaching speaker to tile bridge.
Thru-Holes: 4 thru-holes on 286 mm (11¼ in) mounting circle for attaching tile bridge to backcan
Dimensions (L x D): 600 mm (23.6 in) length x 359 mm (14.0 in) width
Net Weight (ea): 0.9 kg (2.0 lbs)
Shipping Weight (ea): 1.3 kg (2.7 lbs)
Associated Models: 8138 200 mm (8 in) ceiling speakerMTC-81BB8 backbox
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