Скачать или смотреть Federal Signal 2001 Series evolution

The 2001 Series has been around for almost 4 decades. In that time, its design has evolved quite a bit.

Timestamps:
0:00 | Intro
0:06 | Scope of video
0:12 | 2001-SRN (1st gen.)
0:46 | 2001-SRN (2nd gen.)
1:21 | 2001-SRN (3rd gen.)
1:55 | 2001-SRN (4th gen.)
2:31 | 2001-SRNB
3:06 | 2001-130
3:41 | Equinox
4:16 | End of video

Credits (in order of appearance):
   • Federal Signal 2001-DC Roundback Siren Tes...  
[PENDING]    • Federal Signal 2001-DC | Short Alert, Poll...  
[PENDING]    • Chicago Tornado Siren Test  
[PENDING]    • Athens, GA Federal Signal 2001-SRN Test Fe...  
[PENDING]    • Federal Signal 2001-SRNB | Alert | Vevay, IN  
   • Federal Signal 2001-130 | Noon Blast | Sei...  
[PENDING]    • Lansing, MI | Federal Signal Equinox | Ale...  

Siren wiki:
https://web.archive.org/web/202504201...