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DJ2226
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Re: Post your Mystery Sirens here.

Fri Mar 31, 2017 6:50 am

I'd lean towards it being a STH-10A. The motor looks like the typical 3 phase one with the eyebolt sticking out of the top. The Banshee 110 doesn't have an intake like that; they actually don't have one at all unless it has a damper, and even then it's not built like this. The OM-120's motor wouldn't be exposed like that either. Its horns were probably destroyed at one point and they put a skirt on it.
Proud owner of a Model 1.
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charleysalmon91
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Re: Post your Mystery Sirens here.

Sun Apr 02, 2017 12:50 am

Sth-10a's Had dual tone?
Just no no no no NO!

KGK1234
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Re: Post your Mystery Sirens here.

Sun Apr 02, 2017 1:16 am

No, I don't think a dual-toned STH-10 was ever made.
Proud owner of a Model 2.

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carexpertandy
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Re: Post your Mystery Sirens here.

Sun Apr 02, 2017 1:20 am

STH=single toned high. The 2/3T22 was basically the dual toned version.
Resident of a county with big a mixture of sirens, but in the process of being replaced. :(

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Ziginox
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Re: Post your Mystery Sirens here.

Sun Apr 02, 2017 1:40 am

carexpertandy wrote:
Sun Apr 02, 2017 1:20 am
STH=single toned high. The 2/3T22 was basically the dual toned version.
The xT22 used the smaller rotors from the Model 3, not the larger ones like the STH-10 and STL-10.

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jgardner48
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Re: Post your Mystery Sirens here.

Sun Apr 02, 2017 4:46 pm


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Chem_Boffin_6589
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Re: Post your Mystery Sirens here.

Sun Apr 02, 2017 4:51 pm

Looks like a Model 3.
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Installed, initiated and maintains school campus warning system.
https://www.youtube.com/channel/UCtGVVz ... 8BQ47VmdHg

connerdstines
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Re: Post your Mystery Sirens here.

Sun Apr 02, 2017 5:04 pm

Too small to be a Model 3. Likely a Model 2.
Down to a Thunderbolt chopper, still a few goofy flashlight-siren combos, and a Model L.

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Chem_Boffin_6589
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Re: Post your Mystery Sirens here.

Sun Apr 02, 2017 5:06 pm

Oh now I see. I swear I there was a post of a model 2 with only 2 louvres at the top like this in the off topic forum somewhere.
Alfie Woolard
Federal Signal MC know-it-all.
Installed, initiated and maintains school campus warning system.
https://www.youtube.com/channel/UCtGVVz ... 8BQ47VmdHg

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Synther
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Re: Post your Mystery Sirens here.

Sun Apr 02, 2017 6:08 pm

It's a Model 1 missing the bottom louver.
State of Utah siren map - My channel
STH-10, SD-10, 2 Model 2s

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