{"product_id":"audio-amateur-3-1979-pdf","title":"Audio Amateur 3\/1979 PDF","description":"\u003cp\u003e\u003cstrong\u003eAudio Amateur 3\/1979 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\u003e1979 issue 3 of \u003cem\u003eAudio Amateur\u003c\/em\u003e is a must-have for the dedicated audiophile, featuring groundbreaking circuit updates and deep dives into the science of sound. Here is why you need this issue:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShowcase: The Vacuum Turntable\u003c\/strong\u003e: Discover Robert L. Doughty’s innovative DIY turntable that uses a \u003cstrong\u003evacuum system to hold records \"rock solid\"\u003c\/strong\u003e against a glass platter. It’s a precision-engineered solution designed to eliminate warp, wow, and flutter for pristine playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Vacuum Tube, Variable Frequency Crossover\u003c\/strong\u003e: Bi-amplification enthusiasts can build Brian Waldron's \u003cstrong\u003econtinuously variable, 18dB\/octave Butterworth crossover\u003c\/strong\u003e. Using classic 12AX7 tubes, this project offers a detailed, warm signal path with switch-selectable ranges from 20Hz to 20kHz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe \"Compex\" Noise Reduction System\u003c\/strong\u003e: Reg Williamson introduces a professional-grade compandor (compressor\/expander) for the home recordist. Leveraging the versatile Signetics 570 chip, this \u003cstrong\u003elow-cost noise reduction project\u003c\/strong\u003e is designed to significantly clean up tape hiss and expand your system's dynamic range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe PAT-5\/WJ-1A: A Definitive Update\u003c\/strong\u003e: Audio legends Walt Jung and Dave White return with a massive update to their famous Dynaco PAT-5 modification. Learn how \u003cstrong\u003eDC coupling and FET inputs\u003c\/strong\u003e can strip away \"masking effects\" to reveal a level of sonic clarity that rivals high-end \"state-of-the-art\" gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHoles, Hardware and Hearing\u003c\/strong\u003e: Dive into the fascinating world of psychoacoustics with Rod Rees and Ron Shaffer. This article explores how our \u003cstrong\u003eperceptual mindset and auditory space perception\u003c\/strong\u003e are just as critical as our hardware in achieving a truly realistic \"spatial\" listening experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Grounded Ear\u003c\/strong\u003e: In his debut column, Peter Sutheim provides an expert's perspective on the latest industry trends and technical seminars. This issue covers everything from \u003cstrong\u003einnovative ribbon transducer designs\u003c\/strong\u003e to new methodologies in loudspeaker measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassic Circuitry: The Dynaco PAS-2\u003c\/strong\u003e: Tube enthusiasts will appreciate this detailed look at a vintage legend. This section provides the \u003cstrong\u003ecomplete schematic and technical specifications\u003c\/strong\u003e for the venerable Dynaco PAS-2 preamplifier.\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\u003eShowcase\u003c\/strong\u003e: Robert L. Doughty ...................................................................................................... \u003cstrong\u003e2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEditorials\u003c\/strong\u003e ........................................................................................................................................... \u003cstrong\u003e4\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Vacuum Tube, Variable Frequency Crossover\u003c\/strong\u003e: by Brian Waldron .................................... \u003cstrong\u003e6\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Reduction Systems and One for Amateurs\u003c\/strong\u003e: by Reg Williamson .............................. \u003cstrong\u003e12\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe PAT-5\/WJ-1A: A PAT-5 WJ-1 Update\u003c\/strong\u003e: by Walt Jung and Dave White .......................... \u003cstrong\u003e24\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHoles, Hardware and Hearing\u003c\/strong\u003e: by Rod Rees and Ron Shaffer ............................................. \u003cstrong\u003e36\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Aids\u003c\/strong\u003e: by readers Banks, Branam and Boutin ................................................................ \u003cstrong\u003e40\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBook Reviews\u003c\/strong\u003e: by Ron Miller ........................................................................................................ \u003cstrong\u003e44\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecordings Review\u003c\/strong\u003e: by editors Gloeckler and Williamson ..................................................... \u003cstrong\u003e49\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Grounded Ear\u003c\/strong\u003e: by Peter Sutheim ........................................................................................ \u003cstrong\u003e54\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassic Circuitry\u003c\/strong\u003e: The Dynaco PAS-2 preamp ........................................................................... \u003cstrong\u003e56\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCORRECTIONS\u003c\/strong\u003e ................................................................................................................................ \u003cstrong\u003e57\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLETTERS\u003c\/strong\u003e ............................................................................................................................................. \u003cstrong\u003e57\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLASSIFIED\u003c\/strong\u003e ........................................................................................................................................ \u003cstrong\u003e65\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAD INDEX\u003c\/strong\u003e .......................................................................................................................................... \u003cstrong\u003e70\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CC-Webshop","offers":[{"title":"Default Title","offer_id":48317120938198,"sku":"AA-3-1979","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/5013\/7974\/files\/79_03_cover.jpg?v=1780437907","url":"https:\/\/cc-webshop.com\/products\/audio-amateur-3-1979-pdf","provider":"CC-Webshop","version":"1.0","type":"link"}