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{{Infobox siren|title= | {{Infobox siren|title=Large Motorised Sirens|company=Klaxon Signals Ltd.|produced=1940s?-present|type=[[Omnidirectional]] [[Electromechanical]]|output=120 dB @ 100 ft/30 m|hz=50|image=Klaxon_GP12.png}}'''Large Motorised'''<!-- dont change this "motorised" is how it's spelt it's not a typo --> '''Sirens''' is a Klaxon Signals product category comprised of Klaxon's well-known uni/bidirectional electric motor sirens. The General Purpose (GP) and Fireproof (FP) ranges are well established regionally and have lineage tracing back to World War II, where the first iterations of the GP sirens were used to warn the public of incoming Axis air raids. These sirens have seen multiple changes throughout the years but still maintain their status as reliable and rugged alarms suitable for almost any environment and purpose. | ||
== History == | == History == | ||
The Service Electric Company Ltd. was founded in 1930 to produce industrial fans and blowers. In the late 1930s to early 1940s, Service Electric began manufacturing air raid sirens under the brand Secomak. Secomak debuted their first product as the Secomak '''GP8''' to moderate success. Following the design trend of the time in the UK, the GP8 was one of many dual rotor, dual tone electric sirens produced during and after the war. | The Service Electric Company Ltd. was founded in 1930 to produce industrial fans and blowers. In the late 1930s to early 1940s, Service Electric began manufacturing air raid sirens under the brand Secomak. Secomak debuted their first product as the Secomak '''GP8''' to moderate success. Following the design trend of the time in the UK, the GP8 was one of many dual rotor, dual tone electric sirens produced during and after the war. | ||
After WWII, Secomak began eyeing other hazardous areas - specifically, chemical plants and refineries. In 1952, Secomak released the [[Klaxon CS Series|Coded-Shutters series]], designed after the GP8 with the addition of solenoid-actuated shutters. Secomak would also later introduce a single-tone version of the GP8 as the '''GP6''', as they did with the CS6 not far after. | After WWII, Secomak began eyeing other hazardous areas - specifically, chemical plants and refineries. In 1952, Secomak released the [[Klaxon CS Series|Coded-Shutters series]], designed after the GP8 with the addition of solenoid-actuated shutters. Secomak would also later introduce a single-tone version of the GP8 as the '''GP6''', as they did with the CS6 not far after. | ||
In 1989, Secomak was officially branded to Klaxon Signals Ltd., as it stands today. The design of the sirens were slightly altered with the addition of a plate over the exposed end of the rotors, which improved air pressure through the intakes. It is suspected it is around this time that the Klaxon '''GP12''' was rolled out, and this is proven as the GP12 was confirmed on the market in early 2001. In 2006, the GP8 was taken off the market as the GP12 was deemed more effective and modernized than the GP8. | In 1989, Secomak was officially branded to Klaxon Signals Ltd., as it stands today. The design of the sirens were slightly altered with the addition of a plate over the exposed end of the rotors, which improved air pressure through the intakes. It is suspected it is around this time that the Klaxon '''GP12''' was rolled out, and this is proven as the GP12 was confirmed on the market in early 2001. In 2006, the GP8 was taken off the market as the GP12 was deemed more effective and modernized than the GP8. | ||
== Design == | |||
=== | === General Purpose (GP) === | ||
==== GP6 ==== | |||
===== GP8 ===== | ===== GP8 ===== | ||
==== GP10 ==== | |||
===== GP12 ===== | ===== GP12 ===== | ||
=== Fireproof (FP) === | |||
==== FP6 ==== | |||
==== FP10 ==== | |||
[[Category:Sirens]] | [[Category:Sirens]] | ||
[[Category:British Sirens]] | [[Category:British Sirens]] | ||
Revision as of 17:37, 21 November 2024
| Large Motorised Sirens | |
| |
| Company | Klaxon Signals Ltd. |
|---|---|
| Produced | 1940s?-present |
| Type | Omnidirectional Electromechanical |
| Sound output | 120 dB @ 100 ft/30 m |
| Frequency | 50 Hz |
Large Motorised Sirens is a Klaxon Signals product category comprised of Klaxon's well-known uni/bidirectional electric motor sirens. The General Purpose (GP) and Fireproof (FP) ranges are well established regionally and have lineage tracing back to World War II, where the first iterations of the GP sirens were used to warn the public of incoming Axis air raids. These sirens have seen multiple changes throughout the years but still maintain their status as reliable and rugged alarms suitable for almost any environment and purpose.
History
The Service Electric Company Ltd. was founded in 1930 to produce industrial fans and blowers. In the late 1930s to early 1940s, Service Electric began manufacturing air raid sirens under the brand Secomak. Secomak debuted their first product as the Secomak GP8 to moderate success. Following the design trend of the time in the UK, the GP8 was one of many dual rotor, dual tone electric sirens produced during and after the war.
After WWII, Secomak began eyeing other hazardous areas - specifically, chemical plants and refineries. In 1952, Secomak released the Coded-Shutters series, designed after the GP8 with the addition of solenoid-actuated shutters. Secomak would also later introduce a single-tone version of the GP8 as the GP6, as they did with the CS6 not far after.
In 1989, Secomak was officially branded to Klaxon Signals Ltd., as it stands today. The design of the sirens were slightly altered with the addition of a plate over the exposed end of the rotors, which improved air pressure through the intakes. It is suspected it is around this time that the Klaxon GP12 was rolled out, and this is proven as the GP12 was confirmed on the market in early 2001. In 2006, the GP8 was taken off the market as the GP12 was deemed more effective and modernized than the GP8.