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I currently use a voltage drop specifically for speaker circuits. I got it off the internet from a fire alarm company. I am not sure if I am even doing this correctly. It lets you plug in your speaker watt settings, distance in between each device, wire gauge and speaker voltage. On this particular circuit I figured at using 9.5 watts, 14 gauge wire, 2105 ft total circuit length and speaker voltage at 25. My end of line method shows I have a 4.911 volt drop. My point-to-point method shows a 2.76 volt drop. When I run a nac ckt volt drop, I do not let the voltage drop exceed 2.4. I understand fire alarm cannot exceed 10% of source voltage. So what about speaker circuits? Does the same rule apply? If so, why does this speaker volt drop calculator I have only show "CIRCUIT OVERLOADED" at a 5.0 volt drop? Isnt that a bit excessive? Does anyone have any better ways of figuring speaker circuits?
Thanks in advance
I currently use a voltage drop specifically for speaker circuits. I got it off the internet from a fire alarm company. I am not sure if I am even doing this correctly. It lets you plug in your speaker watt settings, distance in between each device, wire gauge and speaker voltage. On this particular circuit I figured at using 9.5 watts, 14 gauge wire, 2105 ft total circuit length and speaker voltage at 25. My end of line method shows I have a 4.911 volt drop. My point-to-point method shows a 2.76 volt drop. When I run a nac ckt volt drop, I do not let the voltage drop exceed 2.4. I understand fire alarm cannot exceed 10% of source voltage. So what about speaker circuits? Does the same rule apply? If so, why does this speaker volt drop calculator I have only show "CIRCUIT OVERLOADED" at a 5.0 volt drop? Isnt that a bit excessive? Does anyone have any better ways of figuring speaker circuits?
Thanks in advance