Is This The Same Siren Please Listen And Comment

People Say The Cassville Wisconsin Siren Is An ACA Sentry 95 But This Other Tube I Found Sounds Like The Same Siren An It Is A Sentry 3V8 I Think Or An Older Sentry Something This Is Interesting What Do You Guys Think Here Are The Tube Links:I Want To Solve This Mystry Once And For All , I Think Some One Has Modified Something On The Cassville Siren ?


https://www.youtube.com/user/SirenGarage#p/f/17/QjnhoM8Hi58



https://www.youtube.com/user/SirenGarage#p/a/f/0/iYVikn68Mwc