SPT15A Bogen Reentrant Horn Loudspeakers

The Bogen SPT15A and SP158A are compact, high intelligibility, reentrant type loudspeakers, designed for one-way or two-way sound and communication systems. Their 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 Model SPT15A has a built-in, rotary impedance selector switch for matching the speaker powerrequirements to a 25V or 70V constant-voltage line.The model SP158A has an 8-ohm impedance only.

Specifications

• Power Rating (RMS) - 15 watts continuous, 20 watts equalized
• Frequency Response - 275 Hz to 14 kHz
• Impedance - 25/70 volts
• Sound Pressure Level - 121 dB @ four feet on axis with 15 watt input @ 1000 Hz
• Dispersion - 110^°
• Sensitivity as Microphone - -22 dBm [Ref - 10 dynes/cm2]
• Dimensions - 9" Diameter x 9-1/4" D
• Product Weight - 4 lb.
• Finish - Textured mocha enamel
Impedance Selector Switch Settings
• 25V @ 15, 7.5, 1.8, 0.94, 0.46 watts
• 70V @ 15, 7.5, 3.8, 1.8, 0.9 watts
• Sound Pressure Level in dB @ 1000Hz
  • Watts Input - 15

SPT15A Specifications PDF

SPT15A Manual