Life Safety Voice/Tone Red Surface, 70V - 15W Compression Driver
VT-157UCR Voice/Tone Surface Compression Driver Loudspeaker 70.7V 15W in Red Color made by Atlas Sound Through proven performance, patented VT/VTF Series have earned worldwide acclaim for service reliability. These cost-effective units offer compact size, functional flexibility, optimum intelligibility, effective sound distribution, and high-level output.All models contain a high efficiency compression driver with maximum acoustic conversion efficiency. (A quality which reduces number of units needed to attain specified sound pressure levels and provides substantial savings in amplification-power requirements and labor costs.) Die-cast, water-sealed construction withstands vandalism, vermin, moisture, corrosion, and vibration during indoor or outdoor use. Selection includes a basic 8-ohm version and 70.7 or 25-volt transformer models with DC blocking capacitor (C) where noted. All models terminate via barrier strips. VT Series models are surface-mount units; VTF Series are flush-mount units for recessed installation. VT Series mounts standard 4" E.O. Boxes; VTF Series mount 4" or 411/16" SQ back boxes and require model AR or MR adapter rings respectively (order separately) Optional mounting accessories are offered including: indoor and outdoor enclosures, a bi-directional housing, adapter plates and rings.
- Frequency Response 600 Hz - 5500 Hz ( 5dB)
- Power Taps 15, 8, 4, 2
- Dispersion > 190 (- 6dB pt., 1 and 2 kHz octave bands)
- Sensitivity 96.9dB (1 watt, 1 meter)
- Transformer 70.7 V
- UL Listed/Standard 1480