Virtual Museum EMS History

The Federal 15 Director and 20 Interceptor were manufactured from 1962 thru 1966, and featured a simulated mechanical siren sound. The 20A began production in 1967, with a more synthesized/electronic siren tone'

For additional information information:

Federal Signal

Professional Car.org- Sirens

Keywords: Federal, Siren, electronic siren

External Resource Link: http://www.fedsig.com/

Last Revision Date: 2/19/11 - 9:42 PM