The ACA Hurricane was a 130dB

Decibel

The decibel is a logarithmic unit that indicates the ratio of a physical quantity relative to a specified or implied reference level. A ratio in decibels is ten times the logarithm to base 10 of the ratio of two power quantities...

 civilian defense siren

Siren

In Greek mythology, the Sirens were three dangerous mermaid like creatures, portrayed as seductresses who lured nearby sailors with their enchanting music and voices to shipwreck on the rocky coast of their island. Roman poets placed them on an island called Sirenum scopuli...

, created in 1968, and stopped production around 1980, produced by Alerting Communicators of America, now American Signal Corporation

American Signal Corporation

American Signal Corporation is an outdoor warning siren company in America founded in 1942.-History:The company began as Biersach and Niedermeyer Co. in 1873, a Milwaukee, Wisconsin based metal fabricating operation. After the 1941 attack on Pearl Harbor, concerns surfaced that the American public...

.

History

The ACA Hurricane 130 was designed by Alerting Communicators of America

American Signal Corporation

American Signal Corporation is an outdoor warning siren company in America founded in 1942.-History:The company began as Biersach and Niedermeyer Co. in 1873, a Milwaukee, Wisconsin based metal fabricating operation. After the 1941 attack on Pearl Harbor, concerns surfaced that the American public...

 and presented at a Civil Defense

Civil defense

Civil defense, civil defence or civil protection is an effort to protect the citizens of a state from military attack. It uses the principles of emergency operations: prevention, mitigation, preparation, response, or emergency evacuation, and recovery...

 convention in November, 1968. They introduced other sirens, however, this utilized new fiber casting techniques, never before used by any other company. The Hurricane started off with a square horn that ended with two throats where the horn attaches to the chopper enclosure. These were produced until 1973, when a larger, rounded horn was made that was a true exponential horn. The siren was popular with towns looking for a 130dB

Decibel

The decibel is a logarithmic unit that indicates the ratio of a physical quantity relative to a specified or implied reference level. A ratio in decibels is ten times the logarithm to base 10 of the ratio of two power quantities...

 siren. The corporation continued production until 1980, when it was replaced with the P-50 50 HP siren. All Hurricanes are very rare, as most of them have been replaced by newer sirens.

Technical information

Year	Type	Horn Shape	Rotor/Stator Ratio	Notes
1968	Hurricane 130	Square	10/12	Cylinder shaped rotator assembly, with small collector rings.
1970s	Hurricane 130	Square	10/12, 8/10, 8/12, 8/8, 10/10, and 12/12	Bigger rotator, with larger collector rings for better performance.
1973	Hurricane 130 MKII	Round	Same as later 130.	This type onwards used a 30 HP compressor, as opposed to earlier 25 HP compressor.
Mid-1970s	Hurricane 130 MKII	Round	Same as earlier MKII	Used modified rotator to allow for easy maintenance. Is the most commonly seen Hurricane of all types.

Cities using the Hurricane 130

Cities Using Or That Have Used The ACA Hurricane	Number of Sirens, Operation Status	Model
Addyston, OH	1, Removed	MKII-130
Baxter, MN	1, Removed	130
Centralia, IL	1, Removed In 2010, In Private Possession	130
Darien, IL	2, 1 Still Operational, 1 Removed for Private Possession.	MKII-130
Fayetteville, OH	1, Removed	MKII-130
Garland, TX	4, Removed	MKII-130
Greendale, WI	1, Removed	MKII-130
Greenville, TX	1, Standing With Inactive Blower	MKII-130
La Crescent, MN	2, Operational	MKII-130
Milwaukee, WI	2, 1 Operational the other at ASC world headquarters