BOGEN SPT15A Re-entrant Horn Loudspeaker

BOGEN SPT15A Re-entrant Horn Loudspeaker

BOGEN SPT15A Re-entrant Horn Loudspeaker

This 15-watt loudspeaker offers high intelligibility and efficiency.

Designed for one-way communications systems. Can be used in talk-back applications with additional equipment. Excellent for use in warehouses, industrial plants, schools, transportation terminals, and recreational areas. Run from a 25V or 70V constant voltage line. Features a built-in, variable impedance selector switch. Screw terminals make installation easy. All-metal construction with enamel finish. Weatherproof for use indoors or out.


Manufacturer

Bogen

Service & Support

1 year

Advanced Features

High intelligibility and efficiency; ideal for both one-way and talk back applications • Weatherproof, all-metal construction • 15 watts; 25/70 volt (SPT15A) or 8-ohm (SP158A) 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 on SPT15A • 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)

Dimensions & Weight

Dimensions: 9" Diameter x 9-1/4" D Product Weight: SPT15A — 4 lb. SP158A — 3 lb. Finish: Textured mocha enamel

Power

15 watts continuous, 20 watts equalized

Audio

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]

Receive Sensitivity

Sound Pressure Level in dB @ 1000Hz: Watts Feet on Axis Input: 4 8 16 32 64 15 121 115 109 103 97 7.5 118 112 106 100 94 3.8 115 109 103 97 91 1.8 112 106 100 94 88 0.9 109 103 97 91 85 0.46 106 100 94 88 82

Requirements

The unit shall incorporate a seven-position weather-sealed switch, to allow matching the loudspeaker to a 25V or 70V constantvoltage line. Power handling capacity shall be adjustable at 70V to 0.9, 1.8, 3.8, 7.5, or 15 watts, and at 25V to 0.46, 0.94, 1.8, 7.5, or 15 watts.