Federal Signal STH-10

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STH-10 Official.jpg

The Federal Signal STH-10 is a discontinued omnidirectional siren produced by Federal Signal over a span of 50 years. [1]

It has twelve ports with a 10 horsepower AC Motor. Most examples are still around today.


References

  1. ↑ "2-5-SD10-STH10-STL10-255A154F.pdf" (PDF). Civil Defense Museum. Retrieved October 1, 2024.


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