Bogen SPT15A


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Bogen SPT15A Horn Loudspeaker - 15 Watt with Transformer
High intelligibility and efficiency

The Bogen SPT15A Horn Loudspeaker is a compact, high intelligibility, reentrant type loudspeaker, designed for one-way or two-way sound and communication systems. Its sturdy, weatherproof, all metal construction is ideal for indoor and outdoor use in industrial plants, warehouses, schools, construction-sites, transportation terminals, and recreational areas. Screw terminals make installation fast and easy. The Model SPT15A Horn Loudspeaker has a built-in, variable impedance selector switch for matching the speaker power requirements to a 25V or 70V constant-voltage line.

General Information

Technical Information

  • Amplifier: 15 W
  • Features: Weather Proof

Physical Characteristics

  • Material: Metal
  • Weight (Approximate): 4 lb


  • Additional Information:
    • Sound Pressure Level: 121 dB @ four feet on axis with 15 watt input @1000 Hz
    • Dispersion: 110º
    • Sensitivity as Microphone: -22 dBm [Ref: 10 dynes/cm2]
    • Dimensions: 9" Diameter x 9-1/4" D
    • Finish: Textured mocha enamel
    • Impedance Selector Switch Settings (SPT15A only): 25V @ 15, 7.5, 1.8, 0.94, 0.46 watts 70V @ 15, 7.5, 3.8, 1.8, 0.9 watts


  • Limited Warranty: Lifetime


  • Controls: Variable impedance selector switch

Full specifications (PDF)


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