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Posted: Tue Feb 20, 2007 6:13 am
by 500AT
I would have to say that it would be any dual-tone T-bolt. Very sadly, it's a sound that is disappearing from the world with each passing day, fading into the history books. However, those us here on this board will put up a fight to prolong it.

Posted: Tue Feb 20, 2007 7:24 am
by Robert Gift
Daniel wrote:Any siren with a 7/10 configuration, like the HOR.
What are the pitches 7/10 produces, Daniel?
Can you direct me to where you kindly listed all the pitches for all the ratios?
Thank you,
Posted: Sat Feb 24, 2007 1:00 pm
by 40V2T22
2T22, Modulator, ASC 13, SD-10, and WPS-2900, all in wail.
Posted: Sat Feb 24, 2007 10:24 pm
by RedAlpha
One of those dual tone carters you hear in World War II movies grabs my attention the most.
Posted: Sun Feb 25, 2007 6:36 am
by kswx29
I'd have to say the 500AT becasue before they replaced the 500at about a half mile from me...during tornado warnings it was erie sounding...but i also had a Model 5 and 2001 sounding along with it...still erie none the less.
Posted: Sun Feb 25, 2007 8:02 pm
by 2001srnfan
A Cyclone.