audioXpress - July 2023

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FROM THE EDITOR’S DESK—Audio, Power, and Efficiency, by J. Martins, p. 4
MARKET UPDATE—Evolution of the Species Extended, by J. Martins, p. 8
Hypex Nilai500DIY 500W Mono Power Amplifier Kit: A New DIY Benchmark, by Stuart Yaniger, p. 20
Grimm Audio: Building the Dream, by Jan Didden, p. 28
GRAS EQset “Fire and Forget” Measurement Microphone Series, by Rens Tellers, p. 32
WiiM Pro Music Streamer: Smart Network Streaming System, by Oliver Masciarotte, p. 36
Room Gain, by René Christensen, p. 42
Acoustical Measurement and DSP Application in Automotive Audio, by Philipp Paul Klose, p. 46
Bass Reflex Performance Envelope: Part 1 — The Foundation, by Gary Gesellchen, p. 52
Power Transformer Parameters, Selection, and Testing: Part 9 — Testing and Results, by Chuck Hansen, p. 56
HOLLOW-STATE ELECTRONICS—Ten Decades of Home Music Systems: A Family History, by Richard Honeycutt, p. 62

audioXpress Magazine Description:

Step into the realm of audio, sound technology, and the latest developments in the field with audioXpress Magazine. We're delighted to introduce you to this publication, your ultimate source for all things related to audio, audio equipment, and the art of sound reproduction.

audioXpress Magazine, published by KCK Media Corp., is not just a magazine; it's your portal to the world of audio and sound technology.

As you explore the pages of audioXpress Magazine, you'll find a world of content that celebrates the magic of sound and audio technology:

* Audio Equipment: Dive into the world of audio gear, equipment reviews, and the latest advancements in the industry.
* Sound Technology: Explore the science of sound, audio engineering techniques, and the art of sound reproduction.
* DIY Audio: Learn about do-it-yourself audio projects, audio kits, and tips for crafting your own sound systems.
* Industry Insights: Stay informed about the latest trends, innovations, and news in the audio and sound technology field.
* Music and Sound: Immerse yourself in the world of music, audio production, and the stories of sound enthusiasts.


audioXpress Magazine is your essential resource for celebrating the magic of sound, understanding audio technology, and connecting with a community that values the science and art of sound. Subscribe now and become part of a community that appreciates the power of sound and music.