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Headphone Impedance

  What is Headphone Impedance?   Headphone Impedance is the electrical characteristic of the headphone voice coil and magnetic field coupling of the voice coil & magnet inside the headphone. Impedance is an electrical unit which expresses the combined Resistance, Inductance and Capacitance of the headphone's voice coil. In terms of matching to an amplifier, the headphone impedance is the "Load Impedance". An amplifier drives a headphone with voltage, the current drawn by the headphone is proportional to the headphone's impedance.  As a rule of thumb, the... read more

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