Evaluating Electrolytic Capacitors Specified for Audio Use: A Comparative Analysis of Electrical Measurements and Capacitor Distortion Products in Line Level Inter-stage Coupling Applications | Zendy

Ian Z. Anderson | Zendy

Open Access

Evaluating Electrolytic Capacitors Specified for Audio Use: A Comparative Analysis of Electrical Measurements and Capacitor Distortion Products in Line Level Inter-stage Coupling Applications

Author(s) -

Ian Z. Anderson

Publication year - 2020

Publication title -

journal of the audio engineering society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.234

H-Index - 60

ISSN - 1549-4950

DOI - 10.17743/jaes.2020.0041

Subject(s) - capacitor , electrolytic capacitor , distortion (music) , line (geometry) , stage (stratigraphy) , coupling (piping) , materials science , film capacitor , electronic engineering , electrical engineering , computer science , acoustics , optoelectronics , voltage , engineering , physics , mathematics , composite material , geology , amplifier , paleontology , geometry , cmos

This paper provides a number of comparative, quantitative evaluations of 10 different makes and models of electrolytic capacitors. Models range from expensive parts specified for use in audio circuits to low-cost general-purpose parts. The datasets comprise out-of-circuit electronic measurements, total harmonic distortion (THD) fast Fourier transform (FFT) sweeps, and cumulative distortion products resulting from 31-tone stimulus performed on the components in a circuit designed to emulate a typical line-level audio recording and mixing console. Results are examined in an effort to identify any measurable properties that may distinguish “audio capacitors” as outliers from their general-purpose counterparts.

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