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  2. Q2B - Wikipedia

    en.wikipedia.org/wiki/Q2B

    A fire truck running the E-Q2B siren. Today Federal Signal's Q2B siren is still in wide use. The majority of users of the Q Siren are fire departments, although some ambulances and heavy rescue squads have employed the Q-siren. The Q-siren produces 123 decibels at 100 feet (30 m) with an operating current of 100 amps at 12 V DC (1.2 kW). [1]

  3. 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 ...

  4. List of sirens built by Alerting Communicators of America

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

    This siren is similar to Federal Signal's Thunderbolt series. Only a single unit remains in service in Milwaukee, WI. Screamers Electro-Mechanical 2, 5, 7.5, 10 8, 9, 9/12, 10/12 1968–1994 Omni Directional 102–115 dB at 100 ft. Series of small vertical sirens, comparable to Federal Signal Corporation's vertical sirens. Sentry 95

  5. Siren (alarm) - Wikipedia

    en.wikipedia.org/wiki/Siren_(alarm)

    One example is the Q2B siren sold by Federal Signal Corporation. Because of its high current draw (100 amps when power is applied) [ citation needed ] its application is normally limited to fire apparatus , though it has seen increasing use on type IV ambulances and rescue-squad vehicles.

  6. List of civil defense sirens - Wikipedia

    en.wikipedia.org/wiki/List_of_civil_defense_sirens

    Federal Signal sirens. Thunderbolt (siren) Federal Signal 3T22 / 2T22; Federal Signal Model 2; Federal Signal Modulator; Federal Signal STH-10; Other.

  7. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    Federal Signal Model 5 in Ballston Spa, New York, U.S.. Sirens are sometimes integrated into a warning system that links sirens with other warning media, such as the radio and TV Emergency Alert System, NOAA Weather Radio, telephone alerting systems, Reverse 911, Cable Override, and wireless alerting systems in the United States and the National Public Alerting System, Alert Ready, in Canada.