Lowell LT-830-870-BB
20W 8" Music and Paging Lay-in Tile Packaged Speaker with TLM870 Transformer

OUR PART #  LT830-870-BB

LT assembly installs easily in suspended tile ceilings. Selection of drivers, transformers and backboxes provides various performance levels for music or commercial paging. Ships ready-to-install—does not require speaker cutouts in ceiling tile. Includes new restraint tabs (tie-offs) for code compliance.


  • 1 x 2 Assembly: supported by T-Bar grid; includes patented integral T-Bar* for fast installation when replacing half of non-tegular 2 x 2 (1/4 of non-tegular 2 x 4) ceiling tile. Includes driver mounted to 1 x 2 subplate, grille and integral T-Bar.
  • Driver:  driver CT830, 20W coaxial speaker with 10 oz. LF and 2.1 oz. HF magnets, for background music and commerical paging or musical performance applications when used with a backbox.    
  • Transformer:  xfmr. TLM870: 70V transformer with taps at 1, 2, 4, 8 W 
  • Grille:  fine-perforation white grille for maximum free-air space and excellent sound transmission. 1 x 2 grille has integral (2-ft.) T-bar to support neighboring non-tegular tile.
  • Backbox:  .147 cu.ft. backbox protects speaker assembly. Speaker leads exit through metal clamp for fast connection—splice connecting wires, push them inside enclosure, tighten clamp.


  • Model No.:  LT-830-870-BB
  • Assembly Size:  1 x 2
  • Driver:  CT830 (20W) 
  • Transformer:  TLM870
  • Transformer Taps:  1, 2, 4, 8 W (70V) 
  • Backbox (cu. ft.):  .147
  • Grille:  White
  • Volume Control Knob:  No


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