The Wheelock Supervised Weatherproof Horn Loudspeaker STH-15S-ULC is a vandalproof wheelock horn is a surface-mounting, high-efficiency unit for life safety and communication system applications. They provide high-intelligibility voice reproduction and signal transmission for indoor or outdoor emergency alarm and protective signaling.
This horn is equipped with a compression driver providing up to 15 watts RMS power handling capability, superior quality intelligibility and dispersion to achieve maximum sound projection.
Weather-resistant metal construction and reentrant acoustic path assure protection against water, humidity and corrosion. The mounting bracket allows directional sound dispersion via vertical and horizontal positioning. Provisions are also included for surface or strap mounting to pillars and I-beams.
This weatherproof loudspeaker includes a built-in 25/70 V transformer featuring a screwdriver adjustable, 7-position watt/impedance selection switch. Wiring terminals are protected with a vandal-resistant adapter cover for control equipment utilizing cable or conduit.
SPECIFICATIONS
• Dispersion angle: 70 Degrees
• Weight: 4.5 lb
• Power rating: 15 Watt continuous
• Frequency response: 400–4,000 Hz (nominal)
• Sensitivity: 102 dB @ 15 Watts @ 10 ft