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...ory:Federal Signal Corporation]][[Category:Single Toned Sirens]][[Category:Sirens]] ...

#REDIRECT [[Category:Rotating Sirens]] ...

The Defender was a rotating siren produced by [[Sentry Siren Incorporated]]. It produces either 460Hz ...egory:Single Toned Sirens]][[Category:Electromechanical Sirens]][[Category:Sirens]] ...

The '''Hornet''' is a relatively small rotating electronic siren produced by [[Whelen Engineering]]. It uses a single 400W ...ens]][[Category:Rotating Sirens]][[Category:Directional Sirens]][[Category:Sirens]] ...

...ating Sirens]][[Category:Single Toned Sirens]][[Category:Electromechanical Sirens]] ...

...liable. For a while, the HPSS-16R was also offered in a 3200 watt, HPSS-32 rotating variant, known as the HPSS-32R. The HPSS-32R was similar to the HPSS-16R, e [[Category:Sirens]] ...

...tromechanical]] produced by American Signal Corporation. It is one of four sirens in [[Tempest Siren Series]] line. This siren is the successor of the T-135 [[Category:Single Toned Sirens]] ...

|type = [[:Category:Electromechanical Sirens|Electromechanical]] The 508-128 is a uni-directional [[rotating]] siren produced by [[Federal Signal Corporation]]. The 508 name comes from ...

|type= [[:Category:Electromechanical Sirens|Electromechanical]] ...echanical siren produced by [[Federal Signal Corporation]]. RSH stands for Rotating Single-Tone High. Its unusual design consists of a hornless [[STH-10]] moun ...

Along Side the HPSS16, there is a [[rotating]] version called the [[HPSS16-R]]. It's an oscillating unit that rotates 36 ...tional Sirens]][[Category:HPSS]][[Category:Sirens]][[Category:Single Toned Sirens]] ...

The '''WPS-4000 Series''' is a line of [[electronic]] sirens produced by [[Whelen Engineering]]. It consists of three models, the WPS40 ...ry:Single Toned Sirens]][[Category:Directional Sirens]][[Category:Rotating Sirens]][[Category:Whelen Engineering]] ...

The '''Vortex-R Series''' is a line of [[electronic]] sirens produced by [[Whelen Engineering]]. They are essentially [[WPS-4000 Series| ...:Directional Sirens]][[Category:Single Toned Sirens]][[Category:Electronic Sirens]][[Category:Whelen Engineering]] ...

...cal]] siren produced by [[American Signal Corporation]]. It is one of four sirens in [[Tempest Siren Series]] line. This siren is wildly famous for its low p ...ating Sirens]][[Category:Electromechanical Sirens]][[Category:Single Toned Sirens]] ...

...'', formerly called the '''Vortex-O Series''', is a line of [[electronic]] sirens produced by [[Whelen Engineering]]. They are essentially [[WPS-2900 series] ...:Directional Sirens]][[Category:Single Toned Sirens]][[Category:Electronic Sirens]][[Category:Whelen Engineering]] ...

* Omni-directional (non-rotating) warning siren ...]][[Category:Sirens]][[Category:Single Toned Sirens]][[Category:Dual Toned Sirens]] ...

...I has been praised for the extremely good voice intelligibility that their sirens have; this is a result of the design the HPSS series utilizes. == Rotating Types == ...

...air-cooled, gasoline engine to drive the rotor/stator assembly while also rotating the entire assembly. The projector design was unique, as air would be drawn ...E, the BN44E-MS-3, would also be offered. Additionally, many original BN44 sirens would undergo a coversion from gasoline to electric. The BN44E was offered ...

...ory:Single Toned Sirens]][[Category:Federal Signal Corporation]][[Category:Sirens]] ...

|type = [[:Category:Electromechanical Sirens|Electromechanical]] The Allertor 125 is a [[rotating]] siren produced by [[Alerting Communicators of America]]. The Allertor is ...

The 2001-Equinox is a rotating electromechanical siren produced by [[Federal Signal Corporation]] under th ...longer range due to the lower frequency. The first system of 2001-Equinox sirens were installed in 2010 around the Beaver Valley Power Station in Shippingpo ...