audioXpress December 2021 PDF

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Volume 52
Issue 12
December 2021

FROM THE EDITOR’S DESK—A New Chapter in Audio Development, by J. Martins, p. 4
MARKET UPDATE—The Self-Calibrating Loudspeaker, by J. Martins, p. 8
MARKET UPDATE—The Arrival of Spatial Room Correction Technology, by Lars-Johan Brännmark, p. 20
Dayton Audio DAX88, An Eight-Source, Eight-Zone Distributed Audio Matrix Amplifier: Setting Up a Whole-House Audio System, by Thomas Perazella, p. 24
Directivity Measurement of In-Wall Loudspeakers, by Christian Bellmann, Ruben Hauschild, and Mattia Cobianchi, p. 30
Improved Loudspeaker Crossover: For the Parts Express “Solstice” Kit, by Richard Modafferi, p. 36
SOUND CONTROL—Miking the Audience, by Richard Honeycutt, p. 43
Thinking About DC Power Supplies (Part 1): Circuits Used as Potential Power Sources, by Frans de Wit, p. 46
Cascodes, Folded Cascodes, and Current Mirrors (Part 3): Using a Test Circuit, by Morty Tarr, p. 52
Simple Xtal-Based Motor Control for Turntables, by Michel Nieuwenhuizen, p. 58
HOLLOW-STATE ELECTRONICS—Sbuminiature Tubes and Effectrode Pedals, by Richard Honeycutt, p. 62

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Audio Development, J. Martins, Self-Calibrating Loudspeaker, Spatial Room, Correction Technology, Lars-Johan Brännmark,
Dayton Audio DAX88, Eight-Source, Eight-Zone Distributed Audio, Matrix Amplifier, Whole-House Audio System, Thomas Perazella, Directivity Measurement, In-Wall Loudspeakers, Christian Bellmann, Ruben Hauschild, Mattia Cobianchi, Loudspeaker Crossover, Solstice Kit, Richard Modafferi, Miking the Audience, Richard Honeycutt, DC Power Supplies, Circuits, Power Sources, Frans de Wit,
Cascodes, Folded Cascodes, Test Circuit, Morty Tarr, Xtal-Based Motor Control, Turntables, Michel Nieuwenhuizen, Sbuminiature Tubes, Effectrode Pedals, Richard Honeycutt