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2. Vehicle horn - Wikipedia

   en.wikipedia.org/wiki/Vehicle_horn

   Again, these horns can be either single, or arranged in pairs; typical frequencies for a pair are 420–440 Hz and 340–370 Hz (approximately G ♯ 4 –A 4 and F 4 –F ♯ 4) for this design. Diagram showing how a car horn works. A horn grille is a part of some designs of car or other motor vehicle that has an electric horn, such as a motor ...

3. List of sirens built by Alerting Communicators of America

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

   A small industrial siren. These used smaller horns than the others. They had one 100 watt driver per horn (AL-1000) or two 100 watt drivers per horn (AL-2000). Horns could be removed for uni-directional applications. AL-4000/AL-6000/AL-8000 Electronic none none 1984-1995 Omni/uni Directional dB rating depends on model.

4. Chrysler Air-Raid Siren - Wikipedia

   en.wikipedia.org/wiki/Chrysler_Air-Raid_Siren

   Its six horns are each 3 feet (91 cm) long. The siren has an output of 138 dB(C) (30,000 watts), and can be heard as far as 25 miles (40 km) away. In 1952, the cost of a Chrysler Air Raid Siren was $5,500 [1] (equivalent to $65,076 as of May 2024). The United States government helped buy sirens for selected state and county law enforcement ...

5. Can you blow your horn at other drivers for any reason? What ...

   www.aol.com/blow-horn-other-drivers-reason...

   Equipment: Cars on the road need a working horn as much as they need working headlights.Under Florida law, every vehicle “shall be equipped with a horn in good working order and capable of ...

6. Siren (alarm) - Wikipedia

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

   A Class A siren is loud enough that it can be mounted nearly anywhere on a vehicle. Class B sirens are not as loud and must be mounted on a plane parallel to the level roadway and parallel to the direction the vehicle travels when driving in a straight line. [15] Sirens must also be approved by local agencies, in some cases.

7. Brightline trains: How loud are horns compared to FEC ... - AOL

   www.aol.com/brightline-trains-loud-horns...

   FEC and Brightline train horns are equally loud — about 118 decibels, according to a decibel meter TCPalm staff used while standing about 10 feet from the railroad tracks in downtown Fort Pierce ...