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Which effect occurs through electrostatic speakers when diaphragm displacement declines?

A)Decreased voltage-dependent frequency shift
B)Enhanced second-harmonic distortion appears
C)Increased capacitance-dependent charge imbalance
D)Reduced reverse electromagnetic field radiation

💡 Explanation

Enhanced second-harmonic distortion appears because smaller diaphragm displacements cause greater non-linearity with the varying electric field, creating frequency harmonics; therefore, distortion increases rather than decreased frequency shift or electromagnetic interference when capacitances shifts.

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