Template:Air Raid Sirens Wiki/Selected picture/1: Difference between revisions
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[[File:P-50 Official.jpg|150px]] | [[File:P-50 Official.jpg|150px]] | ||
The '''P-50''' (later RM-135 and T-135-AC) is a rotating, electromechanical siren that was produced by [[:Category: | The '''P-50''' (later RM-135 and T-135-AC) is a rotating, electromechanical siren that was produced by [[:Category:Alerting Communicators of America|Alerting Communicators of America]] (later American Signal Corporation) from 1980 to 2006, when it was replaced by the [[T-135 AC/DC]]. It produces 135 dBc at 100 feet, and is the loudest electric siren in the world, as well as the loudest dual tone siren. | ||
Revision as of 00:50, 14 March 2017
The P-50 (later RM-135 and T-135-AC) is a rotating, electromechanical siren that was produced by Alerting Communicators of America (later American Signal Corporation) from 1980 to 2006, when it was replaced by the T-135 AC/DC. It produces 135 dBc at 100 feet, and is the loudest electric siren in the world, as well as the loudest dual tone siren.