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Lowell Manufacturing Co. - WB-4T
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Torsion Grille, Round Steel for 4-inch Speaker

Model: WB-4T

  • Precision formed single piece of 20-gauge steel with a punched center, contoured edge and white powder epoxy finish.
  • 7.25” diameter with mounting projection of 0.25”.
  • Four 8-32 x 3/4” welded studs with nuts for concealed mounting of a standard 4” (EIA 5”) speaker.
  • Two easy-to-install torsion bracket/spring devices allow the speaker/grille assembly to mount to the torsion receptacles in specified Lowell backboxes instead of mounting the assembly using screws
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WB-4T torsion grille presents a clean appearance with a contoured edge and no visible hardware—an attractive solution when architectural specifications call for a speaker grille to be void of visible hardware. Small profile utilizes welded speaker studs and special devices to mount in torsion receptacles welded into specified Lowell backboxes (order separately). It’s ideal for offices, hotels, schools, airports, medical, retail, and commercial facilities.
  • Precision formed single piece of 20-gauge steel with a punched center, contoured edge and white powder epoxy finish.
  • 7.25” diameter with mounting projection of 0.25”.
  • Four 8-32 x 3/4” welded studs with nuts for concealed mounting of a standard 4” (EIA 5”) speaker.
  • Two easy-to-install torsion bracket/spring devices allow the speaker/grille assembly to mount to the torsion receptacles in specified Lowell backboxes instead of mounting the assembly using screws
 
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