Devialet

Jean-Loup Nat Afresne

Pierre-Emmanuel Calmel

Antoine Petroff

This electroacoustic conversion chain comprising at least one loudspeaker, this loudspeaker comprising means for generating a magnetic field in a magnetic circuit having an air gap and a membrane secured to turns of a conducting material which may move in this air gap, is characterized in that it comprises at least one control module comprising at least one input for conveying a signal to be broadcast and at least one output connected to a turn, the control module being able to apply to said or each output an excitation signal depending on the position of at least one turn relatively to the air gap.

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Bournens, Switzerland

Jean-Loup Nat Afresne