STH-10: Difference between revisions

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|type= [[Electromechanical]]
|type= [[Electromechanical]]
|produced= 1955-Dec. 5, 2005 (Single phase model discontinued on Dec. 4, 1995)
|produced= 1955-Dec. 5, 2005 (Single phase model discontinued on Dec. 4, 1995)
|succeeded= [[Eclipse-8]]
|succeeded= [[Eclipse]]
|output= 115<ref name="manual">
|output= 115<ref name="manual">
{{cite manual
{{cite manual

Revision as of 18:00, 1 December 2023

STH-10
Company Federal Signal Corporation
Produced 1955-Dec. 5, 2005 (Single phase model discontinued on Dec. 4, 1995)
Type Electromechanical
Sound output 115[1] dBc at 100 feet
Frequency 694 [1] Hz
Horsepower 7.5-10 [1]
Succeeded by Eclipse
Documentation Manual
Product sheet


The STH-10 was an omnidirectional, electromechanical siren produced by Federal Signal Corporation. It was a very simple 12 port, single tone siren that was partnered with the STL-10. The STH-10 was succeeded by the Eclipse-8 in 2006. Production of the single phase model, or STH-10B was ceased on December 4th, 1995. Production of the three phase model, or STH-10A was ceased on December 5th, 2005.

The STH-10 was created as an alternative siren from the STL-10, mainly for fire departments or non-civil defense uses, however, some places used it as one or both (as a Civil Defense Siren and Fire Siren).

  1. 1.0 1.1 1.2 (PDF) Service Manual, Outdoor Warning Sirens, Models 2, 5, SD10, STH10, STL10. Federal Signal Corporation. Retrieved October 22, 2017.