Description
SPT15A and SP158A are compact, high intelligibility, reentrant type loudspeakers, designed for one-way or two-way sound and communication systems.
Features:
- High intelligibility and efficiency; ideal for both one-way and talk back applications
- 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
Technical Specifications
Color
Mocha Enamel
Dimensions
9" Diameter x 9-1/4" D
Dispersion
110º
Durability
Weatherproof
Frequency
275 Hz to 14 kHz
Impedance
25/70 volts
Sensitivity
-22 dBm [Ref: 10 dynes/cm2]
Sound Pressure
121 dB @ four feet on axis, 15 watt input @ 1000 Hz
Voltage
15 watts continuous, 20 watts equalized