audioXpress March 2019 PDF

Volume 50
Issue 3
March 2019

FROM THE EDITOR’S DESK—Measurements to the Masses?, by J. Martins, p. 4
MARKET UPDATE—Exploring the Frontiers from R&D to QC, by J. Martins,
p. 8
Examining the miniDSP EARS Headphone Test Fixture, by Stuart Yaniger,
p. 30
Measuring Speech Intelligibility in Audio Systems, by Joe Begin, p. 38
Attenuators for Measurement, by Jonathan Novick, p. 42
Loudspeaker Efficiency: The Truth Behind the Numbers, by Geoff Hill, p. 48
Build a Discrete High Output Current Buffer with JFET Input, by Dimitri Danyuk, p. 52
HOLLOW-STATE ELECTRONICS—Noise in Vacuum Tube Circuits, by Richard Honeycutt, p. 60

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