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  2. Whelen Engineering Company - Wikipedia

    en.wikipedia.org/wiki/Whelen_Engineering_Company

    The Whelen Company is divided into four divisions and has a subsidiary called Whelen Motorsports.. The four divisions of the company are as follows: The Automotive Division — provides lightbars, dashlights, strobe kits, siren boxes, and other public warning systems to be mounted on or within vehicles, [3] rotating sirens, and student alert systems with voice broadcast capability.

  3. List of sirens built by Alerting Communicators of America

    en.wikipedia.org/wiki/List_of_sirens_built_by...

    Alpha Cyclone 120: Electro-Mechanical 40-50 8/12 1968-1970 Omni Directional 120 dB at 100 ft. Extremely short lived siren. Only proof of this ever existing is from an ACA ad in 1968. [1] This was one of the only sirens ACA didn't encase in fiberglass. Cyclone 120: Electro-Mechanical 40 or 50 8/12 1970–1980 Omni Directional 120 dB at 100 ft.

  4. Siren (alarm) - Wikipedia

    en.wikipedia.org/wiki/Siren_(alarm)

    Electronic Sirens Pavian by Telegrafia A Whelen WPS electronic siren imported to Saudi Arabia by HSS Engineering for use as a civil defense siren. There are 8,200 alarm sirens for civil protection throughout Switzerland. They are tested once a year, on the first Wednesday in February. [1] Sound sample ⓘ An 1860s-era siren. [2]

  5. ATI HPSS - Wikipedia

    en.wikipedia.org/wiki/ATI_HPSS

    Owasso, Oklahoma had 16 ATI HPSS32 sirens that were installed more than 20 years ago. In December of 2023, all 16 HPSS32 sirens were replaced with Whelen WPS-2910 omnidirectional sirens, and a 17th Whelen was installed near Stone Canyon Elementary. Israel has 3100 sirens as a part of its warning system, and 300 of them are HPSS32 sirens.

  6. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    A civil defense siren is a siren used to provide an emergency population warning to the general population of approaching danger. Initially designed to warn city dwellers of air raids (air-raid sirens) during World War II, they were later used to warn of nuclear attack and natural disasters, such as tornadoes (tornado sirens).

  7. List of civil defense sirens - Wikipedia

    en.wikipedia.org/wiki/List_of_civil_defense_sirens

    Heath Siren This page was last edited on 20 February 2025, at 19:46 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...

  8. ACA Hurricane - Wikipedia

    en.wikipedia.org/wiki/ACA_Hurricane

    The Hurricane 130 was a supercharged electro-mechanical siren utilizing an air compressor to produce a high output similar to the Thunderbolt siren. It was available in dual tone 8/10, 10/12, 8/12 port, or single tone 8, 10, or 12 port configurations, most models however came equipped with an 8/10 chopper port ratio (similar to a Major Third ) .

  9. Category:Sirens - Wikipedia

    en.wikipedia.org/wiki/Category:Sirens

    Civil defense siren; F. Federal Signal 3T22; ... Whelen Engineering Company This page was last edited on 30 August 2022, at 23:43 (UTC). Text is available under the ...