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  2. Rumbler siren - Wikipedia

    en.wikipedia.org/wiki/Rumbler_siren

    Rumbler siren. A Rumbler siren is a type of emergency vehicle siren used primarily in the United States.Developed in 2007 by Federal Signal Corporation, and sounding at a low-frequency level, it is designed to be heard by motorists who may otherwise be unable to hear high-frequency sirens due to ambient noise, such as urban traffic.

  3. Federal Signal Modulator - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Modulator

    The Modulator has a similar setup to the Whelen WPS 2700, 2800, 2900, and OmniAlert omnidirectional speaker arrays. The Whelen arrays have single driver cells, [3] while Modulators have multi-driver cells. The American Signal I-Force siren, which uses stacked, elliptical speaker cells that provide omnidirectional sound output, is also similar ...

  4. 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.

  5. NASCAR Advance Auto Parts Weekly Series - Wikipedia

    en.wikipedia.org/wiki/NASCAR_Advance_Auto_Parts...

    The NASCAR Advance Auto Parts Weekly Series (formerly the Whelen All-American Series, Winston Racing Series and the Dodge Weekly Series) is a points championship for NASCAR sanctioned local short track motor racing around the United States and Canada.

  6. Category:Sirens - Wikipedia

    en.wikipedia.org/wiki/Category:Sirens

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  7. Three Plus Two - Wikipedia

    en.wikipedia.org/wiki/Three_Plus_Two

    Three Plus Two, or 3 + 2 (Russian: Три плюс два, romanized: Try plyus dva) is a 1963 Soviet romantic comedy film directed by Genrikh Oganesyan based on a play by Sergei Mikhalkov, [1] and co-produced by Moscow-based Gorky Film Studio and Soviet Latvian Riga Film Studio.

  8. Off-hook tone - Wikipedia

    en.wikipedia.org/wiki/Off-hook_tone

    Some central office switches in the United States, notably older GTD-5 EAX systems, utilize a single frequency tone, 480 Hz, known as High Tone for this purpose. In either case, the tone is substantially louder than any other signal transmitted over a copper POTS circuit; loud enough to be heard across a room from an unused off-hook telephone.

  9. The Rumble Fish 2 - Wikipedia

    en.wikipedia.org/wiki/The_Rumble_Fish_2

    The Rumble Fish 2 (ザ・ランブルフィッシュ2) is a 2D fighting game for the Atomiswave arcade platform. It was produced by Dimps and published by Sammy . [ 1 ] It is the sequel to The Rumble Fish , bringing in several new additions.