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| The '''2001SRNB''' was the second generation of [[wikipedia:Federal Signal Corporation|Federal Signal]]'s [[2001 series]]. The design is similar to its predecessor, the [[2001SRN]], with the most important change being a refined stator design, increasing the sound output to 128 dBc at 100 feet. Secondly, a new gear-driven rotator replaced the belt-driven rotator originally inherited from the [[Thunderbolt]].
| | #REDIRECT [[2001 Siren Series]] |
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| [[Category:Rotating Sirens]] [[Category:2001 Series]] [[Category:Electromechanical Sirens]]
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Latest revision as of 02:47, 26 December 2013