CURRENT-DRIVING-OF-LOUDSPEAKERS

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Current Driving Of Loudspeakers

Author : Esa Meriläinen
ISBN : 1448695325
Genre : Technology & Engineering
File Size : 59.81 MB
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Why have the basic laws of electrodynamics been disregarded in the design of loudspeaker operations? A frank exposure of the flaws of voltage drive and a thorough, groundbreaking guide to the physically reasonable way of operating electrodynamic loudspeakers - current-drive.The author argues that the sound quality of virtually all existing speaker systems has been severely impaired by the manifoldly indefinite electromotive forces induced in the voice coil (arising from both motion and inductance), that corrupt the flow of current; and what's dramatic - the measurable evidence is plain and overwhelming. These inherent EMFs in themselves can never be suppressed by any kind of amplifier, but their detrimental effect on current and hence on sonic performance can be eliminated by adequate source impedance. Thus, the secret of valve amplifiers also becomes apparent.Written for all from the academic community to lay hobbyists. Besides new concepts for amplifier and speaker design and demonstrative projects, the book also features novel ideas for modelling, filter design, measurements, and protection; and an enlightening tutorial on analogue linear systems.For more details and sample pages, visit www.current-drive.info. Note also the comments below one review.
Category: Technology & Engineering

Loudspeaker Handbook

Author : John Eargle
ISBN : 1402075847
Genre : Music
File Size : 52.64 MB
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The second edition of Loudspeaker Handbook follows the same general outlines as the highly successful first edition and has been augmented and updated in many areas of technology. Most notable are the developments in large-scale, programmable line arrays, distributed mode loudspeakers, and ultrasonic-based audio transduction. Additionally, the core chapters on low frequency systems, system concepts, and horn systems have been expanded to include both more analytical material and a richer array of examples. Much of the success of the first edition has been due to its accessibility both to loudspeaker engineers and to lay technicians working in the field - a point of view the author maintains in the present work. A full understanding of the underlying technology requires a fairly rigorous engineering background through the second year of professional study. At the same time, the generous use of graphs, with their intuitive thrust, will be useful to all readers. Loudspeaker Handbook, Second Edition continues to be appropriate for use in courses at the undergraduate senior level, for graduate students, and for professionals in audio and acoustical engineering.
Category: Music

Journal Of The Audio Engineering Society

Author : Audio Engineering Society
ISBN : UOM:39015047950285
Genre : Electro-acoustics
File Size : 52.23 MB
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"Directory of members" published as pt. 2 of Apr. 1954- issue.
Category: Electro-acoustics

Loudspeaker And Headphone Handbook

Author : John Borwick
ISBN : 9781136120862
Genre : Technology & Engineering
File Size : 45.22 MB
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Written by a team of experts, the Loudspeaker and Headphone Handbook provides a detailed technical reference of all aspects of loudspeakers and headphones: from theory and construction of transducer drive units and enclosures, to such practical matters as construction, applications in rooms, public address, sound reinforcement, studio monitoring and musical instruments. Loudspeaker measurements and subjective evaluation are treated in equal detail and headphones are discussed comprehensively. This third edition takes account of recent significant advances in technology, including: · the latest computer-aided design systems · digital audio processing · new research procedures · the full range of loudspeakers · new user applications.
Category: Technology & Engineering

High Performance Audio Power Amplifiers

Author : Ben Duncan
ISBN : 0080508049
Genre : Technology & Engineering
File Size : 71.95 MB
Format : PDF, Kindle
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Power amplifiers and their performance lie at the heart of audio engineering and provide some challenging problems for the engineer. Ben Duncan's experience, as an audio consultant, analog electronics designer and author, give him an unique insight into this difficult but rewarding field. Linking analog electronics, acoustics, heat and music technology; high-end hi-fi and professional PA and recording studio use; theory, modelling and real-world practice; design and repair; the old and the new, the mainstream and the specialised, this comprehensive guide to power amps is a core reference for anyone in the industry, and any interested onlookers. Ben Duncan is well known to many users of audio power amplifiers around the world, both professional and domestic, through his articles, reviews and research papers on music technology in the UK and US press, and through his part in creating several notable professional power amplifiers. Since 1977, he has been involved in the design of over 70 innovative, high-end audio products used by recording and broadcast studios, on stages, in clubs and by the most critical domestic listeners - as well as creating bespoke equipment for top musicians. Born in London, he has travelled widely but has lived mainly in Lincolnshire, home of his family for over 150 years. He is twice co-author of the book Rock Hardware in which he has chronicled the history of rock'n'roll PA. Reprinted with corrections September 1997 Comprehensive and colourful real-life guide Based on wide experience of audio and music technology Well-known and prolific author in the hi-fi and pro-audio press
Category: Technology & Engineering

The Illustrated Dictionary Of Electronics 8th Ed Stan Gibilisco 2001

Author : McGraw-Hill
ISBN :
Genre : Technology & Engineering
File Size : 56.37 MB
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The Illustrated Dictionary of Electronics—8th Edition has been revised, clarified, and updated, reflecting technological advances of recent years. New definitions have been added in the fields of wireless technology, robotics, and artificial intelligence. Every effort has been made to be concise and accurate, without “talking down” to the reader. Many definitions contain cross references (indicated in ALL CAPITALS); these provide recommended additional information or allow comparison with related terms. Expressions of special significance are printed in italics. Electronics abbreviations are included in the text; the full terms are stated as definitions. While an effort has been made to avoid superfluous mathematics, equations are sometimes necessary to completely and effectively define a term. Mathematics beyond the highschool level has not been used. Appendix A contains the standard symbols used in electrical and electronic diagrams. These symbols are used in illustrations throughout this dictionary. Appendix B contains the following data tables: 1. Conversion between electrical systems 2. Greek alphabet 3. Mathematical functions and operations 4. Prefix multipliers 5. Resistor color code Suggestions for future editions are welcome. Stan Gibilisco Editor-in-Chief
Category: Technology & Engineering

The Illustrated Dictionary Of Electronics 8th Ed Stan Gibilico 2001

Author : MCGraw-Hill Companies, Inc
ISBN :
Genre : Technology & Engineering
File Size : 87.83 MB
Format : PDF, Docs
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The Illustrated Dictionary of Electronics—8th Edition has been revised, clarified, and updated, reflecting technological advances of recent years. New definitions have been added in the fields of wireless technology, robotics, and artificial intelligence. Every effort has been made to be concise and accurate, without “talking down” to the reader. Many definitions contain cross references (indicated in ALL CAPITALS); these provide recommended additional information or allow comparison with related terms. Expressions of special significance are printed in italics. Electronics abbreviations are included in the text; the full terms are stated as definitions. While an effort has been made to avoid superfluous mathematics, equations are sometimes necessary to completely and effectively define a term. Mathematics beyond the highschool level has not been used. Appendix A contains the standard symbols used in electrical and electronic diagrams. These symbols are used in illustrations throughout this dictionary. Appendix B contains the following data tables: 1. Conversion between electrical systems 2. Greek alphabet 3. Mathematical functions and operations 4. Prefix multipliers 5. Resistor color code Suggestions for future editions are welcome. Stan Gibilisco Editor-in-Chief
Category: Technology & Engineering

Loudspeakers

Author : Philip Newell
ISBN : 9781136124372
Genre : Technology & Engineering
File Size : 84.11 MB
Format : PDF, ePub
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Need advice on which type of speaker to use and where? Very often the choice and positioning of loudspeakers is down to intuition, hearsay and chance. This practical guide explores the link between experience and the technology, giving you a better understanding of the tools you are using and why, leading to greatly improved results. Newell and Holland share years of experience in the design, application and use of loudspeakers for recording and reproducing music. Get practical advice on the applications of different loudspeakers to the different phases of the music recording and reproduction chain. If you are using loudspeakers in a recording studio, mastering facility, broadcasting studio, film post production facility, home or musician's studio, or you inspire to improve your music reproduction system this book will help you make the right decisions.
Category: Technology & Engineering

The Acoustics Of Crime

Author : Harry Hollien
ISBN : 9781489906731
Genre : Psychology
File Size : 41.6 MB
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There are many reasons for writing a book; this one was conceived and devel oped mainly for two. First, a new area has emerged from within the forensic sciences-that of forensic phonetics. As with all new specialties, it is necessary to define it, identify its boundaries, justify its importance and compile a list of the elements it encompasses. This book attempts to outline these several rela tionships. Second, over the past decade I have become fascinated with forensics in general and the rapidly expanded subarea of forensic phonetics in particular. Admittedly, the latter field is one that is not as yet sufficiently appreciated-and much more needs to be known about its nature and extent. Yet, I have found it to be a most enjoyable area of study and my attempts to describe its domains were quite informative. It was especially interesting to struggle with the interfaces between forensic phonetics and related fields, and discover how they overlap. Only a few comments will be made about the book's contents here in the preface. For one thing, they are described in some detail in the first chapter.
Category: Psychology