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  2. Federal Signal Corporation - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Corporation

    Federal Signal Corporation is an American manufacturer headquartered in Downers Grove, Illinois. Federal Signal manufactures street sweeper vehicles, public address systems, emergency vehicle equipment, and emergency vehicle lighting. The company operates two groups: Federal Signal Environmental Solutions and Federal Signal Safety and Security ...

  3. Federal Signal 3T22 - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_3T22

    The Federal Signal 3T22 was originally designed as the 2T22 in 1952 or 1954. The 2T22 has the same number of ports and cones. It can produce two main signals (it can produce more but the other signals are rarely used), hence the name "2T22" (the 2 at front representing the 2 choppers, and the 22 representing the amount of horns).

  4. Federal Signal Modulator - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Modulator

    Federal Signal Modulators (also known as Modulator Speaker Arrays) are electronic warning devices produced by Federal Signal Corporation that are used to alert the public about tornadoes, severe weather, earthquakes, fires, lahars, tsunamis, or any other disaster. They are identified mostly by their distinctive stacked "flying saucer" design.

  5. Federal Signal STH-10 - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_STH-10

    The Federal Signal STH-10 is a discontinued omnidirectional siren produced by Federal Signal over a span of 50 years. [ 1 ] It is a 12 Port Omnidirectional 10Horsepower siren, most examples are still around today.

  6. Federal Signal Company - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Company

    The Federal Signal Company was an American manufacturer of railway signaling equipment in the early 20th century. It was located in Albany, New York . The company had been founded in 1905 as the Federal Railway Signal Company by former employees of the Standard Signal Company (Arlington, New Jersey). [ 1 ]

  7. Federal Signal Model 2 - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Model_2

    The Model 2T was an omnidirectional siren manufactured by Federal Signal from the 1950s to the 1980s, mainly to fulfill the civil defense requirement for dual-tone warning signals. It had exactly the same design as the Model 2, but instead of a single-toned, 5-port chopper, it featured a dual-toned, 4/5 port chopper which produced 100 dBC at ...

  8. List of sirens built by Alerting Communicators of America

    en.wikipedia.org/wiki/List_of_sirens_built_by...

    The T-121 is an 8 port siren that has a similar design to Federal Signal's Eclipse 8. The T-112 is a hornless version of the T-121. i-Force (Old) Electronic none none 1995–2002 Omni Directional dB rating depends on how many drivers. Rebranded version of ACA's Quadren. Resigned in 2002 to the current models. i-Force (New) Electronic none

  9. List of civil defense sirens - Wikipedia

    en.wikipedia.org/wiki/List_of_civil_defense_sirens

    Federal Signal STH-10; Other. Chrysler Air-Raid Siren; Sentry Siren; SiraTone This page was last edited on 5 August 2024, at 16:06 (UTC). Text is available under ...

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