There is one in Knoxville, TN, although it is not in use.

So the cities that have 508's now are: Amarillo, TX (May 2012) Decutar, AL (July 2012) Defiance, OH (August 2012) Dover, OH (September / October 2012) Carthage, MO (June 2012) Don't ask we where the Dover ones are, I'm still finding them. I would like to add to the list Woodbury, MN bought two Lacr...

It also appears that they have listed the 2001s as having a solar power option.

That's cool! Glad to see some 508's in Alabama.. I read an article about TVA replacing their units a while back and I was hoping they would go with 508's. I actually took that picture of the Sth-10 a long time ago! You should try to get a recording of the new sirens sometime!! I'll try this summer....

I was looking at the Alabama sirens on the "new" siren archive and found this weird one:

^^hey if your in Huntsville there are thunderbolts in the city of Athens, and there used to be some in Tanner....dunno if they still stand after the 2011 tornado...and they only sirens in the city of Decatur are thunderbolts! All of the thunderbolts in Athens and Decatur were part of the Browns Fer...

Schenectadycountysirens wrote:What does the 408 sound like? All the others? If someone could get a recording, that would be awesome!

It will probably sound like what ever tone card it has in it (Siratone/UV/Whelen/ASC/etc.).

Not to be rude, but please do not bump 5-year old threads. I will say your gramar has improved though.

I belive that one doesn't have a grid. I have seen it in person and I belive it did not have a grid in the horn. Although, that was over a year ago though (I have seen it more recently, but that was at night and all I saw was the silhouette). :? It does have the grids, but being so high up there it...

Grid-Faced Thunderbolt 1000 Atop Birmingham City Hall, Birmingham, AL I belive that one doesn't have a grid. I have seen it in person and I belive it did not have a grid in the horn. Although, that was over a year ago though (I have seen it more recently, but that was at night and all I saw was the...

Jim Z wrote:What's behind the pitch variance of some 2001-130s? I heard it was collector ring misalignment (which seems unlikely to me.)

I've thought that it might be due to running the motor at a higher RPM because 130s sound higher pitched than older 2001s.