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DJ2226
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Re: Post your Mystery Sirens here.

Thu Sep 22, 2016 12:37 pm

It's an OmniAlert OA4. Tone only version of the 2804/2904 that connects to a Vortex control box minus the rotator relays and whatnot.
Proud owner of a Model 1.
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Re: Post your Mystery Sirens here.

Thu Sep 22, 2016 3:15 pm

DJ2226 wrote:It's an OmniAlert OA4. Tone only version of the 2804/2904 that connects to a Vortex control box minus the rotator relays and whatnot.
What was the identifying characteristic? Thank you!

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gman 1
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Re: Post your Mystery Sirens here.

Thu Sep 22, 2016 8:51 pm

The Type I control panel. if it were a 2800 or 2900 it would have had a Type II panel since it only has four cells.
Whatever you do, don't push that big red button🔴!!!

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Ziginox
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Re: Post your Mystery Sirens here.

Fri Sep 23, 2016 12:55 am

gman 1 wrote:The Type I control panel. if it were a 2800 or 2900 it would have had a Type II panel since it only has four cells.
Or a 2700. The way you tell between them is that the 2700 series has gray struts and screening near the center. The 2800 has the screening around the edge. The 2900 series is all black, has the screening around the middle again, and has handles for the "EZ-Pull" drivers.

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Busgeek71
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Re: Post your Mystery Sirens here.

Sat Sep 24, 2016 6:28 pm

Here's a crudely made Whelen omni visual:

Image

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Snowcube
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Re: Post your Mystery Sirens here.

Tue Sep 27, 2016 2:44 pm

I have an unhealthy obsession with mini sirens.
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connerdstines
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Re: Post your Mystery Sirens here.

Tue Sep 27, 2016 6:44 pm

Yes.
Down to a Thunderbolt chopper, still a few goofy flashlight-siren combos, and a Model L.

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Valra Bellkeys
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Re: Post your Mystery Sirens here.

Tue Sep 27, 2016 9:21 pm

Sorry if this is off topic, but the thunderbolt in that picture fell... literally. https://www.thesirenboard.com/forums/vi ... start=2775
I own: One complete SiraTone, another SiraTone control module, a 1600W MC, 2 old ATI controllers, 2 round ATI horns with drivers, a ATI-DSA 4 thing, a Federal Signal FC, AR timer and Siratrol, and a small CD&F.

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Snowcube
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Re: Post your Mystery Sirens here.

Tue Sep 27, 2016 9:22 pm

Valtonus wrote:
Sorry if this is off topic, but the thunderbolt in that picture fell... literally. https://www.thesirenboard.com/forums/vi ... start=2775
!
I wonder if it still worked like that...
I have an unhealthy obsession with mini sirens.
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Valra Bellkeys
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Re: Post your Mystery Sirens here.

Wed Sep 28, 2016 3:39 am

I own: One complete SiraTone, another SiraTone control module, a 1600W MC, 2 old ATI controllers, 2 round ATI horns with drivers, a ATI-DSA 4 thing, a Federal Signal FC, AR timer and Siratrol, and a small CD&F.

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