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High-Quality Horn Loudspeaker Systems Book Now Available at Parts Express

Comprehensive, One-of-a-Kind Book Co-Authored by Celestion’s Bjørn Kolbrek Now Available

Ipswich, UK (October 13, 2020)Celestion, the premier manufacturer of professional audio drivers for sound reinforcement applications as well as guitar and bass, is pleased to announce the availability of the book High-Quality Horn Loudspeaker Systems by Bjørn Kolbrek and Thomas Dunker at Parts Express. This extremely detailed volume of more than 1,000 pages is the first ever to address the history, theory, and design of horn loudspeakers in a complete, accurate, and scholarly fashion.

Covering more than 100 years of development from the earliest uses of horns and horn-loaded transducers, High-Quality Horn Loudspeaker Systems is the authoritative reference on the subject and draws upon years of painstaking original research by the authors, both native Norwegians.

Bjørn Kolbrek earned a Ph.D. from the Norwegian University of Science and Technology (NTNU) in Trondheim. He is an engineer for Celestion, and has since researched and developed horn simulation software. His passion for audio and electronics extending back to childhood interests in radar and ham radio, Kolbrek does much of the heavy lifting in the theory and design sections of the book.

Thomas Dunker is a lifelong audio enthusiast who operated a website about horn loudspeakers in the 1990s and has studied the subject for more than 25 years. His contributions are centered in the history section of the book, and like Kolbrek, he is an avid audio experimenter and do-it-yourselfer. Originally meeting via email in 2004, Kolbrek and Dunker have collaborated on horn research ever since. At the 2019 Audio Engineering Society convention in New York, they co-presented a session about the origins of compression drivers. Kolbrek’s father, Reidar Kolbrek, created the illustrations for the book.

High-Quality Horn Loudspeaker Systems is currently available for sale at Parts Express in the U.S. as well as from Celestion’s U.K. distributor Lean Business Audio. To view the table of contents and read a personal statement from the authors, visit hornspeakersystems.info.

About Celestion and Celestion Guitar Speakers

An important element to essential British guitar tone since the birth of Rock & Roll, Celestion Guitar Speakers are famous for their lively and vocal midrange character with plenty of sparkle and chime. With worldwide headquarters in Ipswich, England, Celestion design, develop and manufacture premium guitar and bass loudspeakers, and high-quality professional audio drivers for sound reinforcement. These world-renowned speakers are used onstage and in clubs, theatres and other venues the world over. Contact Celestion at: info@celestion.com and visit us on Facebook at www.facebook.com/celestion.

www.celestion.com

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