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{{Infobox siren | {{Infobox siren|title=Whelen WPS-2900|image=Whelen 2900 Series Official.jpeg|caption=All ten models side-by-side.|company=[[Whelen Engineering]]|produced=2006-present|type=[[Omnidirectional]] [[Electronic]]|output=109-129 dB @ 100 ft|wattage=400-4000 W|voltage=28|current=DC|preceded=[[Whelen WPS-2800]]|manual=https://drive.google.com/file/d/15zeBqcyqd15PqGOXIx3_m88VBkhHr-ST/view?usp=sharing}}The '''Whelen WPS-2900''' is a series of modular multicellular electronic sirens that is currently produced by [[Whelen Engineering]] and is the latest version of their omnidirectional sirens. Having been produced for over 15 years, it is Whelen's most popular omnidirectional siren and one of the most popular electronic sirens on the market, rivaling Federal Signal's [[Federal Signal Modulator|Modulator]] and competing with ASC's [[ASC i-FORCE|i-FORCE]] and ATI's [[Acoustic Technology, Inc.|HPSS-32]]. | ||
|image = | |||
|caption = | Today, the WPS-2900 continues to be sold alongside its sub-models and is a very popular alternative to Federal Signal's [[Federal Signal Modulator|Modulator II]] and ASC's [[ASC i-FORCE|i-FORCE]]. It is very popular for cities looking for a high-performance electronic siren and do not want to invest in the higher maintenance WPS-4000 series. It is easily Whelen's most popular siren and continues to have a reputation for high performance and reliability. They can be found worldwide, and rebranded models are sold by HSS Engineering in Europe and the Middle East. | ||
|company = [[ | |||
|produced = | == History and design == | ||
|type = Electronic | [[File:WPS-2903 Bloomsburg.jpg|200px|thumbnail|A WPS-2903 in Bloomsburg, PA.]]The WPS-2900 was introduced in 2006 to replace the popular [[Whelen WPS-2800|WPS-2800]] series, boasting several improvements over the latter. The WPS-2900 is largely identical to the WPS-2800, with a few design changes. The most significant is the introduction of Whelen's EZ-Pull drivers, which allow for drivers to be removed and replaced from the side of the siren, instead of needing to partially disassemble the siren to replace a defective driver. This made the siren far easier to maintain. The other design change was the mesh screen, which was reverted back to the same size as the screen on the [[Whelen WPS-2700|WPS-2700]]. This change was made as the enlarged screen on the WPS-2800 created a loud hissing noise when the siren was running due to the vibrations, and the larger screen was not necessary to keep debris out effectively.The WPS-2900 is otherwise entirely identical to the WPS-2800. | ||
|output = 109-129 | |||
|preceded = [[Whelen 2800 | The siren is made entirely of fiberglass and consists of a varying number of speaker cells. Each cell contains a 400 W "Superpower" speaker compression driver in the bottom half of each cell, which broadcasts the amplified tones from the controller. Each cell is made of two elliptical surfaces, a projector and mesh screen, and six fiberglass supports. This design allows the sound to be projected in a true 360 degree fashion. The sound is projected upwards from the bottom of each cell, and outwards by a conical projector in the middle of each cell, and by the shape of each cell. | ||
| | |||
Like the WPS-2800, the WPS-2900 supports between one and ten cells per unit, for a maximum of 4000 W of output. They come standard with the ESC-2030 digital controller, although early units ran on the ESC-2020 controller. The WPS-2900 also includes support for Whelen's [[Whelen VisuAlert|VisuAlert]], which is a set of 6 LED lights attached to the bottom of the siren to provide visual notification alongside standard audio tones. WPS-2906 and smaller units require a Type II cabinet, while WPS-2907 and above require a Type III cabinet. | |||
}} | === Variants === | ||
The '''Whelen 2900 | Also included in the WPS-2900 series is the '''OmniAlert''' series. The OmniAlert series was carried over from the [[Whelen WPS-2800|WPS-2800]], although the models have been renamed. The OmniAlert series comes in one to four cell configurations, designated the '''OA1''', '''OA2''', '''OA3''', and '''OA4'''. The OmniAlert series is identical to a standard WPS-2900, but with its voice capabilities removed, meaning it is entirely incapable of relaying voice messages, both prerecorded and live. This reduces the cost of the siren and makes it more affordable for areas where voice is not needed. They are very similar in concept to Whelen's [[Whelen WPS-4000|Vortex-R]] and [[Whelen HORNET|Hornet]]. | ||
In 2011, the '''Firehouse''' series was introduced. Intended for use by fire stations, it is the spiritual successor to the WS-280 series, which was meant for the same purpose. It is entirely identical to the OmniAlert series, differing only in name and intended market. There are four models in the Firehouse series, the '''FHS1''', '''FHS2''', '''FHS3''', and '''FHS4'''. | |||
== Models == | |||
{{Models table | {{Models table | ||
|model1 = WPS-2901 | |model1 = WPS-2901/OA1/FHS1 | ||
|image1 = | |image1 = File:WPS2901 Official.jpeg|200px | ||
|alt1 = | |alt1 = | ||
|output1 = 109 | |output1 = 109 | ||
|notes1 = | |drivers1 = 1 | ||
|model2 = WPS-2902 | |notes1 = [http://www.whelen.com/pb/Mass%20Notification/Product%20Sheets/WPS2901.pdf WPS-2901 Product Sheet] | ||
|image2 = | |model2 = WPS-2902/OA2/FHS2 | ||
|image2 = File:WPS2902 Official.jpeg|200px | |||
|alt2 = | |alt2 = | ||
|output2 = 115 | |output2 = 115 | ||
|notes2 = | |drivers2 = 2 | ||
|model3 = WPS-2903 | |notes2 = [http://www.whelen.com/pb/Mass%20Notification/Product%20Sheets/WPS2902.pdf WPS-2902 Product Sheet] | ||
|image3 = | |model3 = WPS-2903/OA3/FHS3 | ||
|image3 = File:WPS2903 Official.jpeg|200px | |||
|alt3 = | |alt3 = | ||
|output3 = 119 | |output3 = 119 | ||
|notes3 = | |drivers3 = 3 | ||
|model4 = WPS-2904 | |notes3 = [http://www.whelen.com/pb/Mass%20Notification/Product%20Sheets/WPS2903.pdf WPS-2903 Product Sheet] | ||
|image4 = | |model4 = WPS-2904/OA4/FHS4 | ||
|image4 = File:WPS2904 Official.jpeg|200px | |||
|alt4 = | |alt4 = | ||
|output4 = 121 | |output4 = 121 | ||
|notes4 = | |drivers4 = 4 | ||
|notes4 = [http://www.whelen.com/pb/Mass%20Notification/Product%20Sheets/WPS2904.pdf WPS-2904 Product Sheet] | |||
|model5 = WPS-2905 | |model5 = WPS-2905 | ||
|image5 = | |image5 = File:WPS2905 Official.jpeg|200px | ||
|alt5 = | |alt5 = | ||
|output5 = 123 | |output5 = 123 | ||
|notes5 = | |drivers5 = 5 | ||
|notes5 = [http://www.whelen.com/pb/Mass%20Notification/Product%20Sheets/WPS2905.pdf WPS-2905 Product Sheet] | |||
|model6 = WPS-2906 | |model6 = WPS-2906 | ||
|image6 = | |image6 = File:WPS2906 Official.jpeg|200px | ||
|alt6 = | |alt6 = | ||
|output6 = 125 | |output6 = 125 | ||
|notes6 = | |drivers6 = 6 | ||
|notes6 = [http://www.whelen.com/pb/Mass%20Notification/Product%20Sheets/WPS2906.pdf WPS-2906 Product Sheet] | |||
|model7 = WPS-2907 | |model7 = WPS-2907 | ||
|image7 = | |image7 = File:WPS2907 Official.jpeg|200px | ||
|alt7 = | |alt7 = | ||
|output7 = 126 | |output7 = 126 | ||
|notes7 = | |drivers7 = 7 | ||
|notes7 = [http://www.whelen.com/pb/Mass%20Notification/Product%20Sheets/WPS2907.pdf WPS-2907 Product Sheet] | |||
|model8 = WPS-2908 | |model8 = WPS-2908 | ||
|image8 = | |image8 = File:WPS2908 Official.jpeg|200px | ||
|alt8 = | |alt8 = | ||
|output8 = 127 | |output8 = 127 | ||
|notes8 = | |drivers8 = 8 | ||
|notes8 = [http://www.whelen.com/pb/Mass%20Notification/Product%20Sheets/WPS2908.pdf WPS-2908 Product Sheet] | |||
|model9 = WPS-2909 | |model9 = WPS-2909 | ||
|image9 = | |image9 = File:WPS2909 Official.jpeg|200px | ||
|alt9 = | |alt9 = | ||
|output9 = 128 | |output9 = 128 | ||
|notes9 = | |drivers9 = 9 | ||
|notes9 = [http://www.whelen.com/pb/Mass%20Notification/Product%20Sheets/WPS2909.pdf WPS-2909 Product Sheet] | |||
|model10 = WPS-2910 | |model10 = WPS-2910 | ||
|image10 = | |image10 =File:WPS2910 Official.jpeg|200px | ||
|alt10 = | |alt10 = | ||
|output10 = 129 | |output10 = 129 | ||
|notes10 = | |drivers10 = 10 | ||
|notes10 = [http://www.whelen.com/pb/Mass%20Notification/Product%20Sheets/WPS2910.pdf WPS-2910 Product Sheet] | |||
}} | }} | ||
[[Category:Whelen Engineering]][[Category:Single Toned Sirens]][[Category:Omnidirectional Sirens]][[Category:Electronic Sirens]] | |||
== Examples == | |||
* {{Link-inline-video |link=6htHQar6elM|name=A Whelen WPS-2910 running Full Alert in Victoria, MN}} | |||
[[Category:Whelen Engineering]][[Category:Single Toned Sirens]][[Category:Omnidirectional Sirens]][[Category:Electronic Sirens]][[Category:Sirens]] | |||
__INDEX__ | |||
Latest revision as of 22:23, 3 November 2024
| Whelen WPS-2900 | |
 All ten models side-by-side. | |
| Company | Whelen Engineering |
|---|---|
| Produced | 2006-present |
| Type | Omnidirectional Electronic |
| Sound output | 109-129 dB @ 100 ft |
| Wattage | 400-4000 W |
| Voltage | 28 V DC |
| Preceded by | Whelen WPS-2800 |
| Documentation | Manual |
The Whelen WPS-2900 is a series of modular multicellular electronic sirens that is currently produced by Whelen Engineering and is the latest version of their omnidirectional sirens. Having been produced for over 15 years, it is Whelen's most popular omnidirectional siren and one of the most popular electronic sirens on the market, rivaling Federal Signal's Modulator and competing with ASC's i-FORCE and ATI's HPSS-32.
Today, the WPS-2900 continues to be sold alongside its sub-models and is a very popular alternative to Federal Signal's Modulator II and ASC's i-FORCE. It is very popular for cities looking for a high-performance electronic siren and do not want to invest in the higher maintenance WPS-4000 series. It is easily Whelen's most popular siren and continues to have a reputation for high performance and reliability. They can be found worldwide, and rebranded models are sold by HSS Engineering in Europe and the Middle East.
History and design
The WPS-2900 was introduced in 2006 to replace the popular WPS-2800 series, boasting several improvements over the latter. The WPS-2900 is largely identical to the WPS-2800, with a few design changes. The most significant is the introduction of Whelen's EZ-Pull drivers, which allow for drivers to be removed and replaced from the side of the siren, instead of needing to partially disassemble the siren to replace a defective driver. This made the siren far easier to maintain. The other design change was the mesh screen, which was reverted back to the same size as the screen on the WPS-2700. This change was made as the enlarged screen on the WPS-2800 created a loud hissing noise when the siren was running due to the vibrations, and the larger screen was not necessary to keep debris out effectively.The WPS-2900 is otherwise entirely identical to the WPS-2800.
The siren is made entirely of fiberglass and consists of a varying number of speaker cells. Each cell contains a 400 W "Superpower" speaker compression driver in the bottom half of each cell, which broadcasts the amplified tones from the controller. Each cell is made of two elliptical surfaces, a projector and mesh screen, and six fiberglass supports. This design allows the sound to be projected in a true 360 degree fashion. The sound is projected upwards from the bottom of each cell, and outwards by a conical projector in the middle of each cell, and by the shape of each cell.
Like the WPS-2800, the WPS-2900 supports between one and ten cells per unit, for a maximum of 4000 W of output. They come standard with the ESC-2030 digital controller, although early units ran on the ESC-2020 controller. The WPS-2900 also includes support for Whelen's VisuAlert, which is a set of 6 LED lights attached to the bottom of the siren to provide visual notification alongside standard audio tones. WPS-2906 and smaller units require a Type II cabinet, while WPS-2907 and above require a Type III cabinet.
Variants
Also included in the WPS-2900 series is the OmniAlert series. The OmniAlert series was carried over from the WPS-2800, although the models have been renamed. The OmniAlert series comes in one to four cell configurations, designated the OA1, OA2, OA3, and OA4. The OmniAlert series is identical to a standard WPS-2900, but with its voice capabilities removed, meaning it is entirely incapable of relaying voice messages, both prerecorded and live. This reduces the cost of the siren and makes it more affordable for areas where voice is not needed. They are very similar in concept to Whelen's Vortex-R and Hornet.
In 2011, the Firehouse series was introduced. Intended for use by fire stations, it is the spiritual successor to the WS-280 series, which was meant for the same purpose. It is entirely identical to the OmniAlert series, differing only in name and intended market. There are four models in the Firehouse series, the FHS1, FHS2, FHS3, and FHS4.
Models
| Model | Image | Output | Drivers | Notes |
|---|---|---|---|---|
| WPS-2901/OA1/FHS1 |  |
109 dBc | 1 | |
| WPS-2902/OA2/FHS2 |  |
115 dBc | 2 | |
| WPS-2903/OA3/FHS3 |  |
119 dBc | 3 | |
| WPS-2904/OA4/FHS4 |  |
121 dBc | 4 | |
| WPS-2905 |  |
123 dBc | 5 | |
| WPS-2906 |  |
125 dBc | 6 | |
| WPS-2907 |  |
126 dBc | 7 | |
| WPS-2908 |  |
127 dBc | 8 | |
| WPS-2909 |  |
128 dBc | 9 | |
| WPS-2910 |  |
129 dBc | 10 |
