This is by far one of if not the loudest siren I've heard so far. This is on par with Deerfield Twp's fire hall Thunderbolt, & and every STL-10 I've been to. After a failed noon test in Concord. I headed up to Marshall to hear probably one of the only Thunderbolts in Michigan that does the attack signal. And I tell you, this thing was LOUD! It literally vibrated everything. It vibrated the ground and anything near it. The Calhoun County Municipal Building is right next to this thing. I absolutely dig the architecture of the County Building. It looks as if it ere build in the 1950s or 60s.
This siren is located @ the Marshall City Hall 323 W Michigan Ave, Marshall, MI 49068.
Calhoun County Test @ the 1st Saturday of the Month @ 1:00PM.
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