audioXpress September 2019 PDF

Volume 50
Issue 9
September 2019

• FROM THE EDITOR’S DESK—Accelerating Innovation in Loudspeaker Development, by J. Martins, p. 4

• High End 2019: Groundbreaking Evolution, Surprises, and Great Demos in Munich, by Ward Maas, p. 8
• Meet PureAudioProject:Trio15 Heil AMT Speakers, by Oliver A. Masciarotte and Kent Peterson, p. 18
• The AXL Dipole Loudspeaker, by George Ntanavaras, p. 28
• The Echelons: Gor the State-of-the-Art in DIY!, by Dan Neubecker, p. 38
• Purifi Audio: A Straight Wire to the Soul of Music, by Jan Didden and
  J. Martins, p. 46
• Good Vibrations (Part 2): The Basic Principles of Unwanted Vibrations, by Norman Varney, p. 52
• HOLLOW-STATE ELECTRONICS—Listening to Modeled Amp Designs Using LTspice, by Richard Honeycutt, p. 60

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