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Old 06-07-2013, 11:56 AM   #1
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alarm system siren driver question


I have the old alarm diagram and the old speaker/bell thing already installed (see pic 1),

The new alarm comes with this cone 15W speaker. (new alarm has built in Siren driver), not sure how the old one works.

I was wondering if the original one on the wall can be re-used? reading the old diagram I was not sure if they are referring to same kind of speaker.

Also from the alarm panel it is using a pair of thin, non-stranded wire to the old speaker.. seems to be the same type of wire as they used to run the alarm contact/keypads etc, they are very thin (guessing 22 ga?), but run is only around 12'.
is this wiring too thin for the new system with 15W speaker.
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alarm system siren driver question-siren.jpg   alarm system siren driver question-siren2.jpg  

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Old 06-07-2013, 01:22 PM   #2
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alarm system siren driver question


Your new speaker will work just fine with either 22 ga or 18 ga wire. Remember this is low voltage.

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Old 06-07-2013, 01:30 PM   #3
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alarm system siren driver question


after some thinking
I think the original box is a speaker as well, the panel might have been porgrammed (note:assignable output) to set that terminal as a siren driver.

The horn shown in the diagram might just have been an example of what could be used depending on the programming
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Old 06-07-2013, 04:20 PM   #4
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alarm system siren driver question


The upper wiring diagram shows an alarm; the item in the lower pictures is a speaker. They are different. The alarm shown in the wiring diagram is a complete siren module. You apply DC power, and it makes noise. The item in the lower picture is a speaker. You must supply it with an amplified audio signal, not DC power.
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