Bu konuda

Volume 53
Issue 10
October 2022
FROM THE EDITOR’S DESK—More Room for Audio, by J. Martins, p. 4
MARKET UPDATE—The Home Audio Perspective, by J. Martins, p. 8
Sumiko Phono Cartridges and RS78 78 rpm Stylus, by Gary Galo, p. 18
The Story of aptX: An Epic Journey, by Jonny McClintock, p. 26
Replacing IEC 60268-5 (Part 2): The Importance of Measurements, by Geoff Hill, p. 32
SOUND CONTROL—Considerations Concerning RT Measurement, by Richard Honeycutt, p. 38
Triode Common Cathode Stages, the Oracle Equation, and Theodosian Objections, by Christopher Paul, p. 42
Making a DC Power Supply with Audible Benefits (Part 1): Choosing the Design, by Frans de Wit, p. 48
All American Tower Speakers, by Ken Bird, p. 54
HOLLOW-STATE ELECTRONICS—Old Timer, Williamson, and Ultralinear Amplifiers: Families of Hollow-State Power Amplifiers, by Richard Honeycutt, p. 60

The Home Audio Perspective

Since the adoption of automation systems and home networks, residential integration has evolved gradually to connected systems and is now increasingly associated with the transition to the Smart Home.

10+ mins

Sumiko Phono Cartridges and RS78 78 rpm Stylus

Sumiko recently announced four new phono cartridges and one new stylus. This article reviews the new Sumiko Olympia and Wellfleet phono cartridges, and the new RS78 stylus, Sumiko's first 78 rpm solution, meeting the needs of many vintage recording enthusiasts.

10+ mins

The Story of aptX: An Epic Journey

From film sound to radio broadcasts, studios, and finally to Bluetooth and more than 12 billion devices, the successful story of aptX technology is inextricably linked to the history of digital audio. A remarkable corporate journey.

8 mins

Replacing IEC 60268-5: The Importance of Measurements

Geoff Hill concludes his discussion about the work taking place on loudspeaker measurement standards, and the progress the International Electrotechnical Commission (IEC) has made with its standards efforts.

7 mins

Considerations Concerning RT Measurement

In this article, our acoustics expert explains the history behind the reverberation time (RT) measurement and its importance. He then shares his preferred procedure for measuring RT.

6 mins

Triode Common Cathode Stages, the Oracle Equation, and Theodosian Objections

For those readers interested in tube amplification, this article proposes a simplified equation of what might appear to be multiple mathematical factoids into a single concept, intended to help characterize and understand triode circuits.

10+ mins

Making a DC Power Supply with Audible Benefits: Choosing the Design

Following the two articles exploring multiple power supply circuits with potential for high-end audio applications (audioXpress December 2021 and January 2022), Frans de Wit details a high-quality power supply especially targeted toward preamplifiers, record-players, and other low power appliances.

10 mins

All American Tower Speakers

In this article, our experienced speaker builder takes us along with him on his quest to build a loudspeaker made solely from drivers manufactured in the United States.

6 mins

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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.