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Provides a technology overview of what goes into a high performance loudspeaker and covers all the latest advances in the field The design of high performance loudspeakers requires a mix of developed skills in electroacoustics, high fidelity sound reproduction and subjective evaluation. Taking a designer’s view of the subject, this new edition of High Performance Loudspeakers, Seventh Edition provides a comprehensive, timely and practical knowledge base to aid the design of superior loudspeaker systems fit for purpose. It is updated throughout with the latest progress in research and technology, synthesis and analysis, digital signal processing incorporated products, automated production test systems and wireless compact designs. This Seventh Edition of the highly successful guide to the design and specifications of high quality loudspeakers and loudspeaker systems addresses the issue of where higher performance and sound quality is required and shows how the numerous considerations — including application, target price, size, aspiration and particular market — lead to a complex mix of design and engineering decisions. The book has also been substantially revised to reflect the many changes in the technology of loudspeakers and includes two brand new chapters — one covering ultra-compact systems and DSP integration, and the second providing details of a worked example of the loudspeaker systems design process. Offers a complete overview of the technology Thoroughly updated with new content to reflect the latest advances in the field while retaining the firm theoretical foundation of previous editions Presents a designer's point of view of the field, helping to equip both amateur enthusiasts and academically trained graduates with industry practice Covers all the newest developments in the field of high performance loudspeakers Offers a critical and objective approach to all subjects covered, rather than a simple spelling out of theory and facts Appeals to both amateur speaker builders as a source of ideas, and to professional speaker designers with an overview of competitive products and features Acknowledged industry-wide as the definitive work on speaker design and analysis, High Performance Loudspeakers, Seventh Edition is essential reading for audio engineers, speaker designers, equipment designers and students of acoustic engineering, electronics and electro-acoustics. It will also prove invaluable to students of electronics, broadcasting and recording techniques, but will also be of interest to authors and journalists in audio, and not least, amateur loudspeaker builders and enthusiasts.
High Performance Loudspeakers, Sixth Edition is a fully revised and updated version of the highly successful guide to the design and specifications of high quality loudspeakers and loudspeaker systems. Each chapter has been substantially revised reflecting the many changes in the technology of loudspeakers. These revisions take the form of much new research and accompanying illustrations, with a radically new theoretical section, allied to in-depth coverage of the most important advances in the art of loudspeaker design. By clearly and practically analysing these many developments the authors have produced an authoritative loudspeaker designer's bible. Key features of the Sixth Edition include: Radically new chapter on acoustic theory, developments in home theatre and surround systems, in speaker system design. Also crossover networks with new digital synthesis methods, and extensive reporting on CAD software New measurement systems and techniques are complemented by recent psychoacoustic research data. Expanded material on sub-sat design, 2pi and boundary speaker design, further work on optimum low frequency synthesis for improved group delay. New materials technology including ceramic and diamond diaphragms, plus first publication of the theory of the BMR, a fascinating hybrid driver technology employing a synthesis of bending wave and pistonic action and which can approach the directivity of a point source. Glossary; a valuable view of electroacoustic terms and definitions to guide all readers. Acknowledged industry-wide as the definitive work on speaker design and analysis, this book is essential reading for audio engineers, speaker designers, equipment designers and students of acoustic engineering, electronics and electro-acoustics. It will also prove invaluable to students of electronics, broadcasting and recording techniques, and be of interest to amateur loudspeaker builders, authors and journalists in audio.
In 12 fact-filled chapters--covering everything from stereo to multichannel music to home theater--discover how to choose the best components for the money, how to match components fore the best sound, and how to set up and fine-tune a system for maximum performance.
A poet’s audio obsession, from collecting his earliest vinyl to his quest for the ideal vacuum tubes. A captivating book that “ingeniously mixes personal memoir with cultural history and offers us an indispensable guide for the search of acoustic truth” (Yunte Huang, author of Charlie Chan). Garrett Hongo’s passion for audio dates back to the Empire 398 turntable his father paired with a Dynakit tube amplifier in their modest tract home in Los Angeles in the early 1960s. But his adult quest begins in the CD-changer era, as he seeks out speakers and amps both powerful and refined enough to honor the top notes of the greatest opera sopranos. In recounting this search, he describes a journey of identity where meaning, fulfillment, and even liberation were often most available to him through music and its astonishingly varied delivery systems. Hongo writes about the sound of surf being his first music as a kid in Hawai‘i, about doo-wop and soul reaching out to him while growing up among Black and Asian classmates in L.A., about Rilke and Joni Mitchell as the twin poets of his adolescence, and about feeling the pulse of John Coltrane’s jazz and the rhythmic chords of Billy Joel’s piano from his car radio while driving the freeways as a young man trying to become a poet. Journeying further, he visits devoted collectors of decades-old audio gear as well as designers of the latest tube equipment, listens to sublime arias performed at La Scala, hears a ghostly lute at the grave of English Romantic poet John Keats in Rome, drinks in wisdom from blues musicians and a diversity of poetic elders while turning his ear toward the memory-rich strains of the music that has shaped him: Hawaiian steel guitar and canefield songs; Bach and the Band; Mingus, Puccini, and Duke Ellington. And in the decades-long process of perfecting his stereo setup, Hongo also discovers his own now-celebrated poetic voice.
This book is a study of the workings of dynamic loudspeakers and dynamically forced vibration. With its wealth of practical observations and real-life examples, this work will prove invaluable to the practicing motor design or loudspeaker design engineer, as well as researchers and students in electroacoustics. The book is based on a lifetime’s accumulated knowledge by acclaimed speaker designer William H. (Bill) Watkins. It differs from the usual tone of most technical books on this subject by initially presenting, and analyzing in full, the function of each key parameter of a reference dynamic loudspeaker. Each parameter’s value is then calculated and also confirmed via lab measurements to vividly illustrate all energy-transduction facets of loudspeaker operation and the forced vibration. This presentation style makes the analysis both more engaging, intuitive, and easier to comprehend compared to most previous works in the field. The principles of this book apply to all direct reciprocating motors, not just those in a dynamic loudspeaker. Unique to the book is an entire chapter dedicated to the discussion of back-EMF voltage, discussed from several technical points of view and analyzed in depth as related to the dynamic transfer of energy between the mechanical and electrical domains. Another unique feature is a detailed discussion of Watkins’ patented dual-motor concept to achieve high dynamic speaker performance in the region of its low-frequency resonance.
Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms, Third Edition explains the physical and perceptual processes that are involved in sound reproduction and demonstrates how to use the processes to create high-quality listening experiences in stereo and multichannel formats. Understanding the principles of sound production is necessary to achieve the goals of sound reproduction in spaces ranging from recording control rooms and home listening rooms to large cinemas. This revision brings new science-based perspectives on the performance of loudspeakers, room acoustics, measurements and equalization, all of which need to be appropriately used to ensure the accurate delivery of music and movie sound tracks from creators to listeners. The robust website (www.routledge.com/cw/toole) is the perfect companion to this necessary resource.
A beyond-cool look at the world of high-end audio design for passionate collectors, obsessive audiophiles, and design fans At a time when sales of vinyl records have hit a 25-year high, and analog technologies are providing the kind of extraordinary audio experiences that our increasingly digital world has started to remove, Hi-Fi is essential reading. This unique book explores just how, when, and why the world fell in love with the look, feel, and sound of top-of-the-line audio equipment. Hi-Fi traces this fascinating evolution from the 1950s to today (and tomorrow), taking readers right up to the current renaissance of all things analog and the emergence of cutting-edge designs for die-hard audiophiles.
THE AUDIOPHILE’S PROJECT SOURCEBOOK Build audio projects that produce great sound for far less than they cost in the store, with audio hobbyists’ favorite writer Randy Slone. In The Audiophile’s Project Sourcebook, Slone gives you— • Clear, illustrated schematics and instructions for high-quality, high-power electronic audio components that you can build at home • Carefully constructed designs for virtually all standard high-end audio projects, backed by an author who answers his email • 8 power-amp designs that suit virtually any need • Instructions for making your own inexpensive testing equipment • Comprehensible explanations of the electronics at work in the projects you want to construct, spiced with humor and insight into the electronics hobbyist’s process • Complete parts lists "The Audiophile's Project Sourcebook" is devoid of the hype, superstition, myths, and expensive fanaticism often associated with 'high-end' audio systems. It provides straightforward help in building and understanding top quality audio electronic projects that are based on solid science and produce fantastic sound! THE PROJECTS YOU WANT, FOR LESS Balanced input driver/receiver circuits Signal conditioning techniques Voltage amplifiers Preamps for home and stage Tone controls Passive and active filters Parametric filters Graphic equalizers Bi-amping and tri-amping filters Headphone amplifiers Power amplifiers Speaker protection systems Clip detection circuits Power supplies Delay circuits Level indicators Homemade test equipment