A Direct Driver for Electrostatic Transducers

Dennis Nielsen; Arnold Knott; Michael A. E. Andersen

A Direct Driver for Electrostatic Transducers

Dennis Nielsen, Arnold Knott, Michael A. E. Andersen

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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 a power stage suitable for driving an electrostatic transducer under biasing. Measurement results of a ±400 V prototype amplifier are shown. THD below 1% is reported.

Original language	English
Title of host publication	Proceedings of the 137th AES Convention
Number of pages	6
Publisher	Audio Engineering Society
Publication date	2014
Publication status	Published - 2014
Event	AES 137^th Convention - Los Angeles, United States Duration: 9 Oct 2014 → 12 Oct 2014

Conference

Conference	AES 137^th Convention
Country/Territory	United States
City	Los Angeles
Period	09/10/2014 → 12/10/2014

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title = "A Direct Driver for Electrostatic Transducers",

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 a power stage suitable for driving an electrostatic transducer under biasing. Measurement results of a ±400 V prototype amplifier are shown. THD below 1% is reported.",

author = "Dennis Nielsen and Arnold Knott and Andersen, {Michael A. E.}",

year = "2014",

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AU - Nielsen, Dennis

AU - Knott, Arnold

AU - Andersen, Michael A. E.

PY - 2014

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N2 - 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 a power stage suitable for driving an electrostatic transducer under biasing. Measurement results of a ±400 V prototype amplifier are shown. THD below 1% is reported.

AB - 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 a power stage suitable for driving an electrostatic transducer under biasing. Measurement results of a ±400 V prototype amplifier are shown. THD below 1% is reported.

M3 - Article in proceedings

BT - Proceedings of the 137th AES Convention

PB - Audio Engineering Society

T2 - AES 137<sup>th</sup> Convention

Y2 - 9 October 2014 through 12 October 2014

ER -

A Direct Driver for Electrostatic Transducers

Abstract

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