Sharing the Knowledge. audioXpress October 2024 Is Now Available!

Read the extended Show Report of the 5th International AES Conference on Automotive Audio. Santiago Rayes (GRAS Acoustics) explains the latest advances in Measurement Microphones for Automotive Testing. Reinhold Lutz writes about Eliminating Speaker Doppler Distortion, René Christensen shares an exercise of Double Bass Arrays, and Joerg Panzer (R&D Team) and Patrick Macey (PACSYS) share their Experimental and Theoretical Investigation of an Unusually Shaped Horn. Jan Didden reviews Bob Cordell’s latest book, “Designing Audio Circuits and Systems”.

2024 marks Celestion's 100th year. To celebrate the milestone, the manufacturer of loudspeakers for sound reinforcement applications and guitar and bass, published "A Century of Sound: The Story of Celestion". Detailed and beautifully illustrated, this book compiles the history of Britain's oldest and longest surviving loudspeaker company. An essential historical document for anyone interesting in loudspeaker history, the book is now available for purchase at retail.

audioXpress November 2023 offers an exclusive in-depth report on optical MEMS microphone technology from sensiBel, and understand how microphones can impact active noise cancellation performance. Learn how a new ADC Hybrid Gain Control IC enables smooth microphone preamp gain changes, and how to use DSP for hearing enhancement applications. Explore a Motion Feedback (MFB) approach enabling effective active desktop subwoofers, and recap on a century of Home Loudspeaker Development.

A New Must-Read Loudspeaker History Book. SEAS: The History of SEAS Fabrikker is an engaging story about the Norwegian manufacturer and its place in the Nordic speaker industry. The book about Scandinavian Electro Acoustic Systems (SEAS) was written by Danish loudspeaker engineer Claus Futtrup and jointly published by SEAS and Futtrup. Mike Klasco reviews the book for The Audio Voice newsletter and audioXpress.

The book High-Quality Horn Loudspeaker Systems — History, Theory and Design by Bjørn Kolbrek and Thomas Dunker is now available at Parts Express. This extremely detailed volume of more than 1,000 pages - reviewed here by audioXpress' Mike Klasco - is the first ever to address the history, theory, and design of horn loudspeakers in a complete, accurate, and scholarly fashion. The limited edition of this massive and very high-quality hardcover book is sponsored by Celestion.

Our always popular loudspeaker edition is now available online and in print! audioXpress' Speaker Builder, Speaker Focus edition covers loudspeaker building, design, and testing with a balanced amount of DIY, speaker history, theory, R&D, and manufacturing articles. Read two articles about speaker history, a review of the Magnepan LRS, explore the details of two amazing speaker builds, and learn how to do loudspeaker measurements at home. And there's much more in speaker research and development, measurement, and production!

Over the years, audioXpress and Voice Coil magazines have published several company profiles on speaker manufacturers. In 2015, a book was published to celebrate 100 years of the loudspeaker and, in particular, the remarkable contributions of the Danish loudspeaker industry (audio and electronics industry in general is the fourth largest exporting industry in Denmark). This is a valuable book that anyone interested about the loudspeaker industry needs to read.