2001SRNB: Difference between revisions

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|preceded =[[2001SRN]]
|preceded =[[2001SRN]]
|succeeded =[[2001-130]]
|succeeded =[[2001-130]]
|output= 128
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Revision as of 18:22, 13 December 2013

2001SRNB
Company Federal Signal Corporation
Produced 2002-2006
Type Electromechanical
Sound output 128 dBc at 100 feet
Preceded by 2001SRN
Succeeded by 2001-130


The 2001SRNB was the second generation of 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.