Custer Electric

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Custer Electric Inc.
Headquarters Rushville, IN
Founded 1970
Products Outdoor lighting

Outdoor warning sirens

Custer Electric, Inc. is an Indiana-based electrical contractor that specializes in outdoor lighting systems and outdoor warning siren systems. While mainly a siren maintenance contractor, they also have produced a few small electronic sirens that are made to be as inexpensive as possible. None of these small sirens exist outside of east-central Indiana. The largest and most well-known system of these sirens is in Rushville, Indiana, which has around 5 of these sirens.

One of Rushville, IN's Custer arrays. Image by 4J25.
Knightstown, IN's Custer array. Image by 4J25.
Milroy, IN's Custer array. Image by 4J25.

All of the installations have controllers consisting of an older, analog fire truck siren and a radio, with a set of speakers and a battery on top of the pole. The model of speakers used varies greatly between installations. The most common of these speaker types is the Electro-Voice/University Sound Cobreflex model, which is used on the installations in Rushville and Knightstown.

Dunreith, IN's Custer array. Image by 4J25.
Arlington, IN's Custer array. Image by Brad Meiser.

Many younger/inexperienced enthusiasts will find one of these speakers on an unrelated PA speaker installation and believe that it is a Custer Electric siren, when it is little more than a basic PA speaker. It is very unlikely that Custer would install any sirens very far from where they are headquartered.

Location Amount Speaker Type/wattage Year Installed
Rushville, IN 6 50W Cobreflex Array x4 ~90s
Knightstown, IN 1 50W Cobreflex Array x2 ~90s
Dunreith, IN 1 50w AtlasIED speaker Unknown
Milroy, IN 1 50W, unknown manufacturer Mid 2000s
Arlington, IN 1 50W unknown manufacturer ~2011

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