Mast Wiring Plans (PAFog Horn)

[madsailor]

Hi Patrick,

I see the problem.  The 25 watts you're referring to is like the 100 watts speakers are normally rated at (0r 40, or 25, or whatever). That's peak RMS (root mean square) and it's an indication of the amount of power a speaker can handle at the peaks of the sound (electrical) wave.  The speaker will not and can not stand 25 watts continuous power without burning out the voice coil.  Typically, it will run in the under 5 watts power range.

If your 100 watt stereo constantly fed 100 watts, it would draw 10 or so amps.  You can measure what it draws and you'll find it's more like 1.2-1.7 amps. 

I expect the wires coming from the speaker are something like 14 or 16 gauge.  Am I right?

Bob

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Bob Fine
s/v Pelican
Pearson 424 Hull #8
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