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The Whelen Engineering Company is an American corporation that designs and manufactures audio and visual warning equipment for automotive, aviation, and mass notification industries worldwide. Founded in a Deep River, Connecticut garage in 1952, [ 1 ] Whelen has become a provider of warning lights, white illumination lighting, sirens, and ...
Rumbler siren. A Rumbler siren is a type of emergency vehicle siren used primarily in the United States.Developed in 2007 by Federal Signal Corporation, and sounding at a low-frequency level, it is designed to be heard by motorists who may otherwise be unable to hear high-frequency sirens due to ambient noise, such as urban traffic.
The Modulator has a similar setup to the Whelen WPS 2700, 2800, 2900, and OmniAlert omnidirectional speaker arrays. The Whelen arrays have single driver cells, [3] while Modulators have multi-driver cells. The American Signal I-Force siren, which uses stacked, elliptical speaker cells that provide omnidirectional sound output, is also similar ...
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The series began as the NASCAR Winston Racing Series in 1982 as weekly, local track racing sanctioned by NASCAR. Due to restrictions imposed by the Tobacco Master Settlement Agreement, Winston's sponsorship was replaced by Dodge in 2001 (coinciding with their re-entry to the Cup Series that year), lasting until 2006.
Patrick W. Emerling (born September 19, 1992) is an American professional stock car racing driver and team owner. He competes full-time in the NASCAR Whelen Modified Tour, driving the No. 1 Chevrolet for Rick Gautreau, and part-time in the NASCAR Xfinity Series, driving the No. 07 Chevrolet SS for SS-Green Light Racing.
What's That Sound? Complete Albums Collection is a box set of albums by the American rock band Buffalo Springfield.Released by Rhino Records in June 2018, the set contains the three original albums officially released by Atco—mono and stereo versions of the first two albums, Buffalo Springfield and Buffalo Springfield Again, and the stereo version of the last album, Last Time Around.
Some central office switches in the United States, notably older GTD-5 EAX systems, utilize a single frequency tone, 480 Hz, known as High Tone for this purpose. In either case, the tone is substantially louder than any other signal transmitted over a copper POTS circuit; loud enough to be heard across a room from an unused off-hook telephone.