audioXpress September 2020 PDF

Volume 51
Issue 9
September 2020 

• FROM THE EDITOR'S DESK—'Cause Everything Changes, by J. Martins, p. 4
• The Magnepan LRS: Back to the Future, by Oliver A. Masciarotte and
  Kent Peterson, p. 8
• SOUND CONTROL—From Acoustics to Electroacoustics: The Roots of Early
  Live-Sound Speakers, by Richard Honeycutt, p. 16
• AUDIO SCOPE—How Do We Generate Measured Noise Plots for Op-Amps?,
  by Michael Steffes, p. 22
• Altec Lansing’s Voice of the Theatre Speakers: What You Need to Know,
  by Scott Dorsey, p. 26
• Loudspeaker Measurements at Home: A Guide for Building Your Own Test Chamber, by Geoff Hill, p. 32
• Fast and Reliable End-of-Line Acoustic Defect Detection, by Stefan Irrgang and Wolfgang Klippel, p. 38
• How Virtual Product Development Improves the Quality of Consumer and Pro Audio Products, by Alfred Svobodnik and Thomas Gmeiner, p. 44
• The APR-17 Aperiodic Loudspeaker (Part 2): Measurements and Final Details,
  by George Ntanavaras, p. 50
• The RSX: A Large, Modern DIY Speaker, by Chris Biese, p. 58

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