2T22 and 3T22: Difference between revisions
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Revision as of 20:33, 14 December 2013
| 2T22 and 3T22 | |
| Company | Federal Signal Corporation |
|---|---|
| Sound output | 113 dBc at 100 feet |
The 2T22 was an omnidirectional siren produced by Federal Signal Corporation. The design features a single motor in the middle with a twelve-port rotor/stator set on top and a 10-port set on bottom. A similar model featuring coding dampers was sold as the 3T22