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[[File:1 Tsunamiwarnsystem in Dili.jpg|thumb|ATI HPSS32 in service]]
{{Short description|Electronic outdoor warning siren}}[[File:1 Tsunamiwarnsystem in Dili.jpg|thumb|ATI in service]]
The ATI Soundblaster HPSS (High-Power Speaker Station) is an electronic outdoor warning siren manufactured by Acoustic Technology, Inc ([https://www.atisystems.com/ ATI]) that is used to alert citizens of [[tornadoes]], [[hurricanes]], severe [[thunderstorms]], fires and so on. The recent HPSS systems use high-powered electronic speakers, which can be independently arranged to provide directional or omnidirectional coverage, depending on installation. The HPSS16 provides up to 1600 watts of continuous power to drive up to four 400-watt speaker units, whereas the larger 3200-watt HPSS32 can drive up to eight 400-watt speakers. They can also be used as public announcement ([[PA system|PA]]) systems, and can play a number of programmed tones. Options include solar-powered operation pre-recorded voice messages. ATI also sold rotational units of the HPSS16, and HPSS32, called the "HPSS16R" and "HPSS32R", that are now discontinued.
In [[civil defense siren]]s, the ATI '''High-Power Speaker Station''' (<!--"Soundblaster"-->'''HPSS'''),<ref>{{Cite web |title=High Powered Speaker Station |url=https://www.atisystems.com/wp-content/uploads/2020/07/Spec-HPSS.pdf |website=www.atisystems.com}}</ref> is an electronic outdoor warning [[siren (alarm)|siren]] manufactured by Acoustic Technology, Inc (ATI) that is used to alert citizens of [[airstrike|air raid]]s and [[natural disaster]]s.
 
==Systems==
HPSS systems use high-powered electronic speakers, which can be independently arranged to provide directional, omnidirectional, and formerly rotational coverage. The HPSS16 has four speakers, while the HPSS32 has eight speakers. The HPSS16R and HPSS32R are former rotational models that were discontinued. They can be used as public address ([[PA system|PA]]) systems and can play programmed tones. Options include solar-powered operation and pre-recorded voice messages.
[[File:HPSS16 at 3rd and Harrison streets in San Francisco.jpg|thumb|ATI HPSS16]]
[[File:HPSS16 at 3rd and Harrison streets in San Francisco.jpg|thumb|ATI HPSS16]]


==Areas known to use HPSS systems==
==Customers==
* [[San Francisco, California]] - This system is unique, in that it features the sound of the decommissioned [[Federal Signal]] STL-10 sirens that the HPSS units replaced
* [[San Francisco, California]] - Features the sound of the decommissioned [[Federal Signal]] STL-10 sirens that it replaced
* [[Casitas Dam, Ventura, California]] (This system is unique, in that they look like the Federal Signal Directional Speaker Array (DSA) sirens), but can have 7–8 speakers per stack, and gray caps on the speaker cones).
* [[Casitas Dam]], [[Ventura, California]] - Looks like Federal Signal Directional Speaker Array (DSA) sirens, but can have 7–8 speakers per stack, and gray caps on the speaker cones.
* [[Indian Point Energy Center]], [[New York (state)|New York]]
* [[Indian Point Energy Center]], [[New York (state)|New York]]
* [[Owasso, Oklahoma]] - System of sixteen HPSS32 sirens.
* [[Israel]] has 300 HPSS systems as a part of its warning system.
* [[Israel]] has 3100 sirens as a part of its warning system, and 300 of them are HPSS32 sirens.
* [[Sedgwick County, Kansas]] and the City of Wichita use 27 ATI HPSS32 units.
* [[Sedgwick County, Kansas]] and the City of Wichita 27 ATI HPSS32 units are part of the system's 150 sirens.
* [[Forsyth County, Georgia]] has mostly ATI HPSS16R and ATI HPSS32 systems.
* [[Forsyth County, Georgia]]
* [[Allen, Texas]] has 26 ATI HPSS32 units.
* [[Frisco, Texas]] ATI HPSS32 units.
* [[Fort Riley, Kansas]] has 2 ATI HPSS16 units.
* [[Fort Riley, Kansas]] 2 ATI HPSS16 units.
* [[Del City, Oklahoma]] has 8 ATI HPSS16 units.
* [[Del City, Oklahoma]] 8 ATI HPSS16 units.  
* [[Malmstrom AFB, MT]] has 6 ATI HPSS16 units.
* [[Malmstrom AFB, MT]] 6 ATI HPSS16 units
* [[Pasig]], [[Philippines]] has 3 ATI HPSS32 units.
* [[Pasig]], [[Philippines]] has 1 ATI HPSS32 unit.
* [[Davao City|Davao City, Philippines]] has at least 11 ATI HPSS32 units.
* [[Battle Creek, Michigan]] has four rotating 1600 watt ATIs, dubbed the HPSS16R. They run 575&nbsp;Hz alert for tornado warnings.
* [[Battle Creek, Michigan]] has four rotating ATI HPSS16R units.
* [[Menominee, Michigan]] has three rotating ATI HPSS32R units
* [[Menominee, Michigan]] has three early rotating ATI HPSS16R units
* [[Pensacola NAS, Florida]], ATI HPSS16 (mostly), the sirens on Pensacola's navy base are mostly used for tornado warnings and they play the colors in the morning and evening. When a warning is issued, these siren sound ATI's version of wail signal during tornado warnings. Attack signal or other signals have not been used yet. These siren are silently tested on Fridays.
* [[Pensacola NAS]], [[Florida]], ATI HPSS16s mostly used for tornado warnings and play the colors
* [[University of West Florida In Pensacola, Florida]], ATI HPSS16 sirens here are used for chemical spills, weather warnings, lock downs, and they play a daily Westminster chime tone at noon.
* [[University of West Florida]] In [[Pensacola, Florida]], ATI HPSS16 sirens here are used for chemical spills, weather warnings, lock downs, and they play the [[Westminster Quarters|Westminster Chimes]].
* [[Arnold, Missouri]] 7 ATI HPSS32 units which replace the old Whelen WPS 3016 Sirens.<ref>Arnold Missouri Siren Test: https://www.youtube.com/watch?v=5YAnYjdAmq8</ref>
* [[Arnold, Missouri]] 7 ATI HPSS32 units.<ref>{{Cite AV media |url=https://www.youtube.com/watch?v=5YAnYjdAmq8 |title=Arnold, MO ATI Tornado Siren Test |date=2008-10-26 |last=CrazySirenBoy |access-date=2025-07-22 |via=YouTube}}</ref>
* [[Ketchikan, Alaska]] maintains a system of 3 ATI HPSS32 units which are tested audibly on the 15th of the month at noon. These sirens are used to warn for tsunamis or in the event of a dam failure.<ref>{{Cite web|url=https://www.krbd.org/2015/08/26/third-siren-added-to-citys-hazard-warning-system/|title=Third siren added to city's hazard warning system|date=26 August 2015}}</ref><ref>{{Cite web|url=https://sites.google.com/site/greaterketchikanarealepc/all-hazard-siren-information|title = Google Sites}}</ref>
* [[Ketchikan, Alaska]] maintains a system of 3 ATI HPSS32 units.<ref>{{Cite web|url=https://www.krbd.org/2015/08/26/third-siren-added-to-citys-hazard-warning-system/|title=Third siren added to city's hazard warning system|date=26 August 2015}}</ref><ref>{{Cite web|url=https://sites.google.com/site/greaterketchikanarealepc/all-hazard-siren-information|title = Google Sites|url-status=dead}}</ref>{{Dead link|date=July 2026|fix-attempted=yes}}
* [[Hudson County, New Jersey]] has an unknown number of HPSS sirens. They are supposedly used for nuclear emergencies.* [[Chile, Antofagasta]] has also an unknown number of HPSS-32 sirens. They are used to warn about tsunamis and fires. .<ref>{{Cite web|url=https://newjersey.news12.com/story/34885755/emergency-siren-tests-startle-residents|title = Emergency siren tests startle residents}}</ref>
* [[Hudson County, New Jersey]] has an unknown number of HPSS sirens.  
* [[Antofagasta|Chile, Antofagasta]] has an unknown number of HPSS32 sirens.
* [[Sarnia, Ontario]] and the surrounding communities use a system of 22 ATI HPSS32 units.
* [[Bandon, Oregon]] use 4 ATI HPSS32's.
* [[Palo Verde Nuclear Generating Station]], [[Wintersburg, Arizona]] use over 70 HPSS32 sirens.
* [[Cannon Beach, Oregon]] [[Arch Cape, Oregon]] has 6 HPSS32 sirens


==References==
==References==
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==External links==
==External links==
*[https://www.atisystems.com Corporate web page]
*[https://www.atisystems.com Corporate web page]
{{Civil defense sirens}}


{{DEFAULTSORT:Ati Hpss}}
{{DEFAULTSORT:Ati Hpss}}
[[Category:Sirens]]
[[Category:Sirens (alarms)]]
[[Category:Civil defense]]
[[Category:Emergency population warning systems]]

Latest revision as of 21:51, 2 October 2026

Template:Short description

ATI in service

In civil defense sirens, the ATI High-Power Speaker Station (HPSS),[1] is an electronic outdoor warning siren manufactured by Acoustic Technology, Inc (ATI) that is used to alert citizens of air raids and natural disasters.

Systems

HPSS systems use high-powered electronic speakers, which can be independently arranged to provide directional, omnidirectional, and formerly rotational coverage. The HPSS16 has four speakers, while the HPSS32 has eight speakers. The HPSS16R and HPSS32R are former rotational models that were discontinued. They can be used as public address (PA) systems and can play programmed tones. Options include solar-powered operation and pre-recorded voice messages.

ATI HPSS16

Customers

References

  1. ↑ "High Powered Speaker Station". https://www.atisystems.com/wp-content/uploads/2020/07/Spec-HPSS.pdf. 
  2. ↑ Template:Cite AV media
  3. ↑ "Third siren added to city's hazard warning system". 26 August 2015. https://www.krbd.org/2015/08/26/third-siren-added-to-citys-hazard-warning-system/. 
  4. ↑ "Google Sites". https://sites.google.com/site/greaterketchikanarealepc/all-hazard-siren-information. 

Template:Civil defense sirens

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