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

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