Saturday, April 13, 2013

How I wired up my Simplex 2902-9739 LifeAlarm speaker

How I wired up my Simplex 2902-9739 LifeAlarm speaker Tube. Duration : 9.17 Mins.


Because the wiring is not like normal voice evacuation speakers, I thought I'd run a walkthrough of how I managed to make the speaker work. I used an audio e...

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