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    AJ
    Mar 01, 2021

    Calculating current draw from an Amplifier

    in General Chat


    There are 2 different kinds of Amplifiers. Class D and Class AB which means there are 2 different calculations.


    Class AB: Total RMS Wattage divided by 0.50 Amp Efficiency divided by 13.8 Volts equals Current Draw in Amperes.


    Class D: Total RMS Wattage divided by 0.75 Amp Efficiency divided by 13.8 Volts equals Current Draw in Amperes

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