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Volume control for a car horn

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elec_newb

New Member
I have a 12V/6A power supply connected to a car horn (12V/6A). I had intended to place a pot in series as a volume control, however even a 0.47Ω resister causes the horn to not sound. Is there anything short of getting a new horn/power supply that can quite this thing down? I will be connecting this to an alarm clock for one hell of an alarm :)

Thanks!
 

dougy83

Well-Known Member
Run it from a lower voltage, or wrap it in sticky tape or foam.
 
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