Whelen has a pulse tone known as air horn Another it probably invented was continuous air horn (see dsrx100 all whelen siren functions) similar to steady but you cannot see and hear this tone in whelen’s warning tones site but in hss engineering (search tws 290 hss engineering)
I will attend this year 2018
They don’t do this anymore
Yep. Whelen tone on EOWS 612, rare.
Sick video
whelen tone on a frederal siren? lolz
what is this tone used for
Joshua The SirenKid yep but for some reason it doesn’t sound like it
Whelen has a pulse tone known as air horn
Another it probably invented was continuous air horn (see dsrx100 all whelen siren functions) similar to steady but you cannot see and hear this tone in whelen’s warning tones site but in hss engineering (search tws 290 hss engineering)
Whelen 435hz air horn
wait, thats illeagal
Its not illegal when your out in the country where no one can hear this
@@xXSo1arGamingXx no not what i mean