The Federal Signal STH-10 was a single-tone 10-horsepower omnidirectional siren produced by Federal Signal over a span of 50 years. It proved to be one of the most popular of Federal …

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 ten horsepower siren. Most examples …

One STH-10 has the distinction of being the northernmost siren in North America, located in Grise Fiord, Nunavut, one of the coldest inhabited settlements in the world. Many STH-10 units can …

Apr 20, 2009 · The STH10 has 12 stator ports and 12 horns. The STL10 was the low tone version of the two (Single Tone Low 10 horsepower). The STL10 has 7 stator ports and 7 horns.

Oct 22, 2017 · The STH-10 is an omnidirectional, electromechanical siren produced by Federal Signal Corporation. Production began in 1954 and was ceased in the early to mid 90s. The …

Model STHIO produces a high sound level (115dBc at 100 teet on axis — 30 meters) with a top sound frequency of 675Hz while making only moderate power source demands. A Federal …

Federal Signal is announcing service parts obsolescence of STH10 sirens that includes part number Q-BSA ((2)BRUSH, (4)SPRING ASSEMBLY REPLACEMENT). Products reach the …

Jan 31, 2013 · The STH10 features the same easy access to the drive bays, PSU, motherboard tray, easy mounting of radiators, removable panels, and solid doors. Specifications of STH10 …

This document provides instructions for installing, operating, and servicing the Federal Signal Corporation Model STH10 outdoor warning siren. It contains safety notices and guidelines for …

It was sold at auction in 2008. The STH-10 model siren has 12 ports, is single tone with a 7-1/2hp motor. That's the motor on the top of the siren in the picture. The large tube on the bottom …