audioXpress March 2023 PDF

Volume 54
Issue 3
MARCH 2023

FROM THE EDITOR’S DESK—Invitation-Only Audio History, by J. Martins, p. 4
Echo AIO: A Cost-Effective Audio Test System, by Stuart Yaniger, p. 8
MARKET UPDATE—Modular Evolution in Audio Testing, by J. Martins, p. 18
Acoustical Measurement and DSP Amplification in Automotive Audio, by Philipp Paul Klose, by 28
Transitioning Audio Tests from R&D to the Production Line, by Steve Temme, p. 34
Burkhard Vogel’s Slopes and Levels: SPCE Models to Simulate Vintage Op-Amp Noise, Review by Marcel van de Gevel, p. 40
Lumped Element Modeling of Transducers, by René Christensen, p. 44
Modern PC Board Design Practices (Part 2): Tips and Techniques, by Ethan Winer, p. 50
Power Transformer Parameters, Selection, and Testing (Part 5): Losses, by Chuck Hansen, p. 56
HOLLOW-STATE ELECTRONICS—Accuracy in LTspice Modeling, by Richard Honeycutt, p. 62

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