Bogen Communications SPT15A
15W Paging Horn with 25/70V Transformer

OUR PART #  SPT15A

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The Bogen SPT15A is a compact, high intelligibility, reentrant type loudspeaker, designed for one-way or two-way sound and communication systems. The sturdy, weatherproof, all-metal construction is ideal for indoor and outdoor use in industrial plants, warehouses, schools, construction sites, transportation terminals, and recreational areas.

The SPT15A has a built-in, rotary impedance selector switch for matching the speaker power requirements to a 25V or 70V constant-voltage line.

Bogen SPT15A Features:

  • High intelligibility and efficiency; ideal for both one-way and talk back applications
  • Weatherproof, all-metal construction
  • 15 watts; 25/70 volt operation
  • Tap settings for 70V: 15, 7.5, 3.8, 1.8, 0.9 watts; for 25V: 15, 7.5, 1.8, 0.94, 0.46 watts
  • Rotary tap impedance selector
  • Tilt and swivel base for easy positioning
  • Screw terminals make installation fast and easy
  • All-purpose mounting bracket
  • Self-aligning, field replaceable diaphragm
  • Mocha enamel finish
  • Limited lifetime warranty
  • Mountable to I-beam flange using Bogen’s BC1 Beam Clamp (sold separately)
  • Mountable to electrical box using Bogen’s HSES10 mounting strap (sold separately)
  • Terminal Cover (TCSPT1) allows connection of conduit fittings to horn speakers (sold separately)

Bogen SPT15A Specifications:

  • Power Rating (RMS):  15 Watts continuous; 20 Watts equalized
  • Frequency Response:  275 Hz - 14 kHz
  • Impedance:  25/70V
  • Sound Pressure Level:  121 dB @ four feet on axis with 15 Watt input @ 1 kHz
  • Dispersion:  110°
  • Sensitivity as Microphone:  -22 dBm (Ref:  10 dynes/sq cm)
  • Dimensions:  9" Dia. x 9-1/4" D
  • Weight:  4 lbs
  • Finish:  Textured Mocha Enamel
  • Impedance Selector Switch Settings:
    • 25V:  0.46, 0.94, 1.8, 7.5, 15 Watts
    • 70V:  0.9, 1.8, 3.8, 7.5, 15 Watts

Bogen Communications SPT15A
15W Paging Horn with 25/70V Transformer

OUR PART #  SPT15A

Product Information:

The Bogen SPT15A is a compact, high intelligibility, reentrant type loudspeaker, designed for one-way or two-way sound and communication systems. The sturdy, weatherproof, all-metal construction is ideal for indoor and outdoor use in industrial plants, warehouses, schools, construction sites, transportation terminals, and recreational areas.

The SPT15A has a built-in, rotary impedance selector switch for matching the speaker power requirements to a 25V or 70V constant-voltage line.

Bogen SPT15A Features:

  • High intelligibility and efficiency; ideal for both one-way and talk back applications
  • Weatherproof, all-metal construction
  • 15 watts; 25/70 volt operation
  • Tap settings for 70V: 15, 7.5, 3.8, 1.8, 0.9 watts; for 25V: 15, 7.5, 1.8, 0.94, 0.46 watts
  • Rotary tap impedance selector
  • Tilt and swivel base for easy positioning
  • Screw terminals make installation fast and easy
  • All-purpose mounting bracket
  • Self-aligning, field replaceable diaphragm
  • Mocha enamel finish
  • Limited lifetime warranty
  • Mountable to I-beam flange using Bogen’s BC1 Beam Clamp (sold separately)
  • Mountable to electrical box using Bogen’s HSES10 mounting strap (sold separately)
  • Terminal Cover (TCSPT1) allows connection of conduit fittings to horn speakers (sold separately)

Bogen SPT15A Specifications:

  • Power Rating (RMS):  15 Watts continuous; 20 Watts equalized
  • Frequency Response:  275 Hz - 14 kHz
  • Impedance:  25/70V
  • Sound Pressure Level:  121 dB @ four feet on axis with 15 Watt input @ 1 kHz
  • Dispersion:  110°
  • Sensitivity as Microphone:  -22 dBm (Ref:  10 dynes/sq cm)
  • Dimensions:  9" Dia. x 9-1/4" D
  • Weight:  4 lbs
  • Finish:  Textured Mocha Enamel
  • Impedance Selector Switch Settings:
    • 25V:  0.46, 0.94, 1.8, 7.5, 15 Watts
    • 70V:  0.9, 1.8, 3.8, 7.5, 15 Watts
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