Auto-Matic Alarm Systems Model OC-9: Difference between revisions

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{{Infobox siren|voltage=12|company=Auto-Matic Alarm Systems Co., Inc.|type=[[Omnidirectional]] [[Electromechanical]]|current=AC|image=SipexOC-9.jpg}}
{{Infobox siren|voltage=12|company=Auto-Matic Alarm Systems Co., Inc.|type=[[Omnidirectional]] [[Electromechanical]]|current=AC|image=SipexOC-9.jpg}}


The '''Model OC-9''' is a small, omnidirectional siren produced by Auto-Matic Alarms Systems Co., Inc, based out of Chicago, IL. Not much is known about the company or the siren, and few units exist today, with most being in private possession.
The '''Model OC-9''' is a small omnidirectional siren produced by Auto-Matic Alarms Systems Co., Inc, based out of Chicago, IL. Not much is known about the company or the siren, and few units exist today, with most being in private possession.


== History and Design ==
== History and Design ==
[[File:1st gen OC-9.png|left|thumb|271x271px|A privately owned first generation OC-9.]]
=== 1st generation ===
=== 1st generation ===
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[[File:Blurry OC-9.jpg|thumb|160x160px|A second generation OC-9.]]
=== 2nd generation ===
=== 2nd generation ===
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[[Category:Electromechanical Sirens]]
[[Category:Electromechanical Sirens]]
[[Category:Omnidirectional Sirens]]
[[Category:Omnidirectional Sirens]]
[[Category:Industrial Small Sirens]]
[[Category:WIP]]
[[Category:WIP]]
__INDEX__
__INDEX__

Latest revision as of 20:37, 16 October 2024


Auto-Matic Alarm Systems Model OC-9
Company Auto-Matic Alarm Systems Co., Inc.
Type Omnidirectional Electromechanical
Voltage 12 V AC

The Model OC-9 is a small omnidirectional siren produced by Auto-Matic Alarms Systems Co., Inc, based out of Chicago, IL. Not much is known about the company or the siren, and few units exist today, with most being in private possession.

History and Design

A privately owned first generation OC-9.

1st generation

wip

A second generation OC-9.

2nd generation

wip