The Siren Board

https://youtu.be/ec7n_Jj6sn8

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Recorded 7/18/18

Sam (Openblast64) & I met up at this dynamic duo in Cobb for Iowa County's Bi-Monthly test. This 1212 was taken down a few years ago to be repaired, and 7 speakers were found to not be working. It is unclear if all 7 were replaced. Unfortunately, the Siratone doesn't sound too good in Alert, as the pitch is fluctuating all over the place, and not all the drivers are working still. That doesn't take away from the coolness factor of this shot, where the 2001-SRN at the school a block and a half away can be seen. Both sirens are active and the SRN was not installed to replace the 1212. Iowa County manually activates all county sirens for a noon test every day, and tests them in 1 minute of Alert every 1st & 3rd Wednesday of the month at 12:10 PM. Cobb used to also have a MOD2008 at the town hall, it was removed a few years ago after it stopped working.

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Is that running on a single tone SiraTone?

Vey198885 wrote: ↑

Thu Jul 19, 2018 9:31 am

Is that running on a single tone SiraTone?

No, single tone SiraTone controllers don't exist. You can just about hear the low tone which means that the specific speaker panels that sound that tone have dead drivers. Having the pitch turned up that high doesn't help either.

There actually was. I have attached an extract from a Federal Brochure on the EOWS line when the 408 and 812 were still in production, which was when the SiraTone was also still in production.

But yeah, you are correct.

Vey198885 wrote: ↑

Thu Jul 19, 2018 6:51 pm

There actually was. I have attached an extract from a Federal Brochure on the EOWS line when the 408 and 812 were still in production, which was when the SiraTone was also still in production.

But yeah, you are correct.

Don’t know what that had to do with anything, but SiraTone is dual tone only. The SiraTone is literally an electronic representation of a Thunderbolt 1000T

Tyler wrote: ↑

Thu Jul 19, 2018 10:10 pm

Vey198885 wrote: ↑

Thu Jul 19, 2018 6:51 pm

There actually was. I have attached an extract from a Federal Brochure on the EOWS line when the 408 and 812 were still in production, which was when the SiraTone was also still in production.

But yeah, you are correct.

Don’t know what that had to do with anything, but SiraTone is dual tone only. The SiraTone is literally an electronic representation of a Thunderbolt 1000T

No, there was a single-tone version made because I have heard them before.

There were three EOWS-612’s in Barberton, Ohio on SiraTone controllers. They were single-toned. These sirens still sit here today (albeit abandoned after being replaced by 508-128’s) but someone managed to get a recording of them before they were decommissioned.

The pitch is too low to be another version of an FS electronic siren controller, and it has SiraTone cabinets on it and is original. One of my friends who is also a siren enthusiast has taken pictures up-close with these units before and they indeed have a SiraTone control cabinet on them. If you don’t believe me; I’ll go photograph one someday since they sit abandoned in place.

Here’s the video if you don’t believe me.



https://www.youtube.com/watch?v=a1a1H2BSIrg

Another Example:


https://www.youtube.com/watch?v=UDP_M21vyaY

Tyler wrote: ↑

Thu Jul 19, 2018 10:10 pm

Vey198885 wrote: ↑

Thu Jul 19, 2018 6:51 pm

There actually was. I have attached an extract from a Federal Brochure on the EOWS line when the 408 and 812 were still in production, which was when the SiraTone was also still in production.

But yeah, you are correct.

Don’t know what that had to do with anything, but SiraTone is dual tone only. The SiraTone is literally an electronic representation of a Thunderbolt 1000T

Oh, and here’s a dual toned SiraTone EOWS-612 performing the “whoop” tone in single tone.



https://www.youtube.com/watch?v=Pu7sWCXGlvg

Tyler wrote: ↑

Thu Jul 19, 2018 10:10 pm

Vey198885 wrote: ↑

Thu Jul 19, 2018 6:51 pm

There actually was. I have attached an extract from a Federal Brochure on the EOWS line when the 408 and 812 were still in production, which was when the SiraTone was also still in production.

But yeah, you are correct.

Don’t know what that had to do with anything, but SiraTone is dual tone only. The SiraTone is literally an electronic representation of a Thunderbolt 1000T

On the image I posted it quite literally says "a single tone signal provides a 40 degree horizontal angle of dispersion". That's what I was trying to show you. It clearly proves that a single tone controller was in fact produced, alongside firefreak's video.

If I recall correctly, Wakarusa Indiana's 612 was Single-Toned. It just surfaced in a new synth and was recorded by WarningSirensOfMichiana (in alternate wail!) and Amtrak3501.

Holy cow, that 1212's alert is so high pitched. Did someone crank up the pitch, or are the electronics getting wonky?