Driving electrostatic transducers

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    Abstract

    Electrostatic transducers represent a very interesting alternative to the traditional inefficient electrodynamic transducers. In order to establish the full potential of these transducers, power amplifiers which fulfill the strict requirements imposed by such loads (high impedance, frequency depended, nonlinear and high bias voltage for linearization) must be developed. This paper analyzes power stages and bias configurations suitable for driving an electrostatic transducer. Measurement results of a 300 V prototype amplifier are shown. Measuring THD across a high impedance source is discussed, and a high voltage attenuation interface for an audio analyzer is presented. THD below 0:1% is reported.
    Original languageEnglish
    Title of host publicationAES 134th Convention
    Publication date2013
    Publication statusPublished - 2013
    EventAES 134 th Convention - Rome, Italy
    Duration: 4 May 20137 May 2013

    Conference

    ConferenceAES 134 th Convention
    Country/TerritoryItaly
    CityRome
    Period04/05/201307/05/2013

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