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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.
This comprehensive book on audio power amplifier design will appeal to members of the professional audio engineering community as well as the student and enthusiast. Designing Audio Power Amplifiersbegins with power amplifier design basics that a novice can understand and moves all the way through to in-depth design techniques for very sophisticated audiophiles and professional audio power amplifiers. This book is the single best source of knowledge for anyone who wishes to design audio power amplifiers. It also provides a detailed introduction to nearly all aspects of analog circuit design, making it an effective educational text. Develop and hone your audio amplifier design skills with in-depth coverage of these and other topics: Basic and advanced audio power amplifier design Low-noise amplifier design Static and dynamic crossover distortion demystified Understanding negative feedback and the controversy surrounding it Advanced NFB compensation techniques, including TPC and TMC Sophisticated DC servo design MOSFET power amplifiers and error correction Audio measurements and instrumentation Overlooked sources of distortion SPICE simulation for audio amplifiers, including a tutorial on LTspice SPICE transistor modeling, including the VDMOS model for power MOSFETs Thermal design and the use of ThermalTrak(tm) transistors Four chapters on class D amplifiers, including measurement techniques Professional power amplifiers Switch-mode power supplies (SMPS). design Static and dynamic crossover distortion demystified Understanding negative feedback and the controversy surrounding it Advanced NFB compensation techniques, including TPC and TMC Sophisticated DC servo design MOSFET power amplifiers and error correction Audio measurements and instrumentation Overlooked sources of distortion SPICE simulation for audio amplifiers, including a tutorial on LTspice SPICE transistor modeling, including the VDMOS model for power MOSFETs Thermal design and the use of ThermalTrak(tm) transistors Four chapters on class D amplifiers, including measurement techniques Professional power amplifiers Switch-mode power supplies (SMPS). the use of ThermalTrak(tm) transistors Four chapters on class D amplifiers, including measurement techniques Professional power amplifiers Switch-mode power supplies (SMPS).
_________ ‘Hepworth’s knowledge and understanding of rock history is prodigious ... [a] hugely entertaining study of the LP’s golden age’ The Times _________ The era of the LP began in 1967, with ‘Sgt Pepper’; The Beatles didn’t just collect together a bunch of songs, they Made An Album. Henceforth, everybody else wanted to Make An Album. The end came only fifteen years later, coinciding with the release of Michael Jackson’s ‘Thriller’. By then the Walkman had taken music out of the home and into the streets and the record business had begun trying to reverse-engineer the creative process in order to make big money. Nobody would play music or listen to it in quite the same way ever again. It was a short but transformative time. Musicians became ‘artists’ and we, the people, patrons of the arts. The LP itself had been a mark of sophistication, a measure of wealth, an instrument of education, a poster saying things you dare not say yourself, a means of attracting the opposite sex, and, for many, the single most desirable object in their lives. This is the story of that time; it takes us from recording studios where musicians were doing things that had never been done before to the sparsely furnished apartments where their efforts would be received like visitations from a higher power. This is the story of how LPs saved our lives.
A Hudson Booksellers Best Non-Fiction Book of the Year, with foreword by Wilco's Jeff Tweedy High Fidelity meets Killing Yourself to Live when one man searches for his lost record collection. As he finds himself within spitting distance of middle-age, journalist Eric Spitznagel feels acutely the loss of… something. Freedom? Maybe. Coolness? Could be. The records he sold in a financial pinch? Definitely. To find out for sure, he sets out on a quest to find the original vinyl artifacts from his past. Not just copies. The exact same records: The Bon Jovi record with his first girlfriend's phone number scrawled on the front sleeve. The KISS Alive II he once shared with his little brother. The Replacements Let It Be he’s pretty sure, 20 years later, would still smell like weed. As he embarks on his hero's journey, he reminisces about the actual records, the music, and the people he listened to it with—old girlfriends, his high school pals, and, most poignantly, his father and his young son. He explores the magic of music and memory as he interweaves his adventures in record-culture with questions about our connection to our past, the possibility of ever recapturing it, and whether we would want to if we could. "Memories are far more indelible when married to the physical world, and Spitznagel proves the point in this vivid book. We love vinyl records because they combine the tactile, the visual, the seeable effects of age and care and carelessness. When he searches for the records he lost and sold, Spitznagel is trying to return to a tangible past, and he details that process with great sensitivity and impact."—Dave Eggers, New York Times bestselling author of The Circle