Paging/talkback horn(s) shall be Alpha Communications® model HS-17T, or approved equal. Horn(s) shall be made of (Tan) ABS plastic, and shall have inputs for 8-ohms, 25 volts, or 70 volts, with adjustable wattage taps for the line transformers. Horn(s) shall have a frequency response of 350 to 14,000 Hz. and shall include an adjustable, swivel mounting bracket.
Contractor shall observe all local and national electrical and building codes.
The Alpha Communications® HS-17T paging/talkback horn is a low-cost indoor/outdoor unit that can be used with a variety of public address and intercom systems. Each HS-17T horn can handle up to 16 watts of audio power (8 watts in 25 volt mode). Choose from 8 ohm connections, or built-in 25 volt and 70 volt line transformers, with several wattage tap settings available. The HS-17T is made of durable (Tan) ABS plastic, and comes complete with a swivel mount bracket for wall or pole mounting. Depending upon the system it is used with, the HS-17T can be used as a talkback speaker (usually in the 8 ohm mode).
A frequency response of 350 to 14,000 Hz. assures crisp-clear communication, and even basic music capability.