Defender

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Defender
Company Sentry Siren Incorporated
Produced 2004-2010/1
Type Electromechanical
Sound output 127 dBc at 100 feet
Frequency 460/920 Hz
Horsepower 7.5


The Defender was a rotating siren that was produced by Sentry Siren Incorporated. It was available in two different pitches, 460 Hz and 920 Hz. It was also able to be ordered in any color as well as a stainless steel option. It was discontinued because Sentry wanted to have an omnidirectional siren lineup.

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