{"product_id":"audio-amateur-4-1972-pdf","title":"Audio Amateur 4\/1972 PDF","description":"\u003cp\u003e\u003cstrong\u003eAudio Amateur 4\/1972 PDF -\u003c\/strong\u003e Issue is in black \u0026amp; white\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003eScan of printed copy, PDF download immediately upon purchase\u003c\/p\u003e\n\u003cp\u003eThe final issue of \u003cstrong\u003e1972\u003c\/strong\u003e (\u003cem\u003eThe Audio Amateur\u003c\/em\u003e, Issue 4) is a technical powerhouse that concludes the magazine's second year with a heavy focus on high-power amplification, precision microphone theory, and radical speaker tuning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Listening Machines\u003c\/strong\u003e: Embark on a comprehensive journey into microphone technology. This definitive guide covers everything from Bell’s earliest 1876 transducers to the sophisticated physics of ribbon, condenser, and dynamic microphones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce Speaker Distortion by Tuning a Pipe\u003c\/strong\u003e: Stop settling for \"muddy\" bass. Audio innovator \u003cstrong\u003eNelson Pass\u003c\/strong\u003e demonstrates how tuning a bass-reflex enclosure to a specific \"pipe\" length can significantly lower harmonic distortion—sometimes by as much as 1% at high power levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAn Electrostatic Speaker System (Part II)\u003c\/strong\u003e: Build the \"ultimate\" amplifier for your electrostatic panels. David Hermeyer unveils a massive, \u003cstrong\u003e105-pound, direct-coupled Class A tube amplifier\u003c\/strong\u003e utilizing high-voltage transmitting tubes to achieve stunning transparency without the need for output transformers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Fundamentals: The Matching Myth\u003c\/strong\u003e: Master the \"thorny subject\" of impedance. Reginald Williamson debunks common misconceptions about impedance matching in audio systems, teaching you how to properly load your sources for the most accurate signal transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLearning to Use Transistors\u003c\/strong\u003e: Deepen your engineering foundation with a focus on \u003cstrong\u003eSmall Signal Amplifiers\u003c\/strong\u003e. This installment explores the physics of input characteristics and load lines to help you design stable, distortion-free solid-state stages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips \u0026amp; Technique\u003c\/strong\u003e: Discover essential workshop wisdom, including a critical study on how \u003cstrong\u003espeaker fuses impact your amplifier's damping factor\u003c\/strong\u003e and a clever microswitch modification to add \u003cstrong\u003eauto-shutoff to the Rabco ST-4 turntable\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Manifesto for Audio Amateurs\u003c\/strong\u003e: Revisit the philosophical core of the hobby with this declaration of independence for the audio avocation, emphasizing the value of DIY craftsmanship over commercial mass-production.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTable of Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Manifesto for Audio Amateurs\u003c\/strong\u003e ..................................................................................... \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Listening Machines: Part I\u003c\/strong\u003e: by Richard A. Honeycutt ........................................ \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce Speaker Distortion by Tuning a Pipe\u003c\/strong\u003e: by Nelson Pass .................................... \u003cstrong\u003e6\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Quadpod C\u003c\/strong\u003e: by E.T. Dell, Jr. and J.I. Goldberg ........................................................ \u003cstrong\u003e7\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAn Electrostatic Speaker System (Part II)\u003c\/strong\u003e: by David P. Hermeyer ............................. \u003cstrong\u003e9\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuadpod Variations\u003c\/strong\u003e: by Gary Sturm and Arnold S. Berger .......................................... \u003cstrong\u003e9\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHinge Your FM Farm\u003c\/strong\u003e: by Damon Hill ............................................................................... \u003cstrong\u003e12\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Review: The Gately SM-6A Mixer\u003c\/strong\u003e ............................................................................. \u003cstrong\u003e14\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow Electrostics Work\u003c\/strong\u003e .......................................................................................................... \u003cstrong\u003e14\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips \u0026amp; Technique\u003c\/strong\u003e: by readers Taylor, Hazlehurst, and Wiley ..................................... \u003cstrong\u003e17\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapeniques: Long evening jobs\u003c\/strong\u003e: by James K. Jobson .................................................. \u003cstrong\u003e18\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Fundamentals: The Matching Myth\u003c\/strong\u003e: by Reginald Williamson .......................... \u003cstrong\u003e20\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLearning to Use Transistors (Part 7)\u003c\/strong\u003e: by C.N.G. Matthews ......................................... \u003cstrong\u003e24\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLETTERS\u003c\/strong\u003e ................................................................................................................................. \u003cstrong\u003e27\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJUST LOOKING\u003c\/strong\u003e ..................................................................................................................... \u003cstrong\u003e30\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLASSIFIED\u003c\/strong\u003e ............................................................................................................................. \u003cstrong\u003e30\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CC-Webshop","offers":[{"title":"Default Title","offer_id":48328675492054,"sku":"AA-4-1972","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/5013\/7974\/files\/72_04_c.jpg?v=1780696845","url":"https:\/\/cc-webshop.com\/products\/audio-amateur-4-1972-pdf","provider":"CC-Webshop","version":"1.0","type":"link"}