Omni-Alert

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Omni-Alert
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All four models side by side.

Company Whelen Engineering
Produced 2006-present
Type Electronic
Sound output 108-118
Documentation Manual

General

The Omni-Alert Series, formerly called the Vortex-O Series, is a line of electronic sirens produced by Whelen Engineering. They are essentially WPS-2900 series siren heads with Type-1 control cabinets that lack voice capability, much like the Vortex series.

An older OA2 using a WPS-2800 series head in Pawnee, IL (Pi_User)

Models

Model Image Output Drivers Product Sheet
OA1 108 1x400W OA1
OA2 114 2x400W OA2
OA3 115 3x400W OA3
OA4 118 4x400W OA4

References

https://web.archive.org/web/20091208161529/http://whelen.com:80/_MASSNOTIFICATION/omnialert.php https://web.archive.org/web/20040413000235/http://www.whelen.com:80/nondynmc/OutdoorWarn/vortexo.htm

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