7V8

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7V8
7V8 Official.jpeg
Company Sentry Siren Incorporated
Produced ?-present
Type Electromechanical
Sound output 112 dBc at 100 feet
Frequency 460 Hz
Horsepower 7.5
Documentation
Product sheet

The 7V8 is an omnidirectional siren produced by Sentry Siren Incorporated.

7V8-B

7V8-B
7V8-B Official.jpeg
Company Sentry Siren Incorporated
Produced 2004-present
Type Electromechanical
Sound output 121 dBc at 100 feet
Frequency 460 Hz
Horsepower 8
Documentation
Product sheet

The 7V8-B is the battery backup version of the 7V8. It has a a couple other differences from the 7V8, which are a stronger 8HP motor and it is louder.