{"product_id":"audio-amateur-1-1975-pdf","title":"Audio Amateur 1\/1975 PDF","description":"\u003cp\u003e\u003cstrong\u003eAudio Amateur 1\/1975 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\u003cdiv class=\"message-text-content mat-body-medium\" aria-live=\"polite\"\u003e\n\u003cdiv class=\"paragraph normal ng-star-inserted\" data-start-index=\"0\"\u003e\n\u003cp\u003eThe 1975 issue 1 of \u003cem\u003eThe Audio Amateur\u003c\/em\u003e is a technical treasure trove for the perfectionist, featuring elite speaker designs and advanced filter theory. Here are the highlights of this issue:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Proven Transmission Line Loudspeaker\u003c\/strong\u003e: Build a world-class four-speaker enclosure designed for the perfectionist. Using high-end KEF drivers and a specialized crossover, B. J. Webb details a transmission line system that achieves deep, extended, and non-resonant bass response that \"thrown away\" radiation designs simply can't match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker Evaluation: Ear or Machine?\u003c\/strong\u003e: Part 1 of this series dives into the complex psychology of listening. Learn how physical and mental factors—and even the behavior of other people—can bias your perception of sound, and discover how to set up more reliable A-B comparison tests.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Test Bench Filter Set\u003c\/strong\u003e: Speed up your equipment checkups with these four \"must-have\" gadgets. This project includes a bias trap for tape recorders, a 20kHz noise filter, an ASA weighting network, and an inverse RIAA equalization network to help your measurements correlate better with human hearing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOp Amps for Audio: Active Filters\u003c\/strong\u003e: Master the art of frequency management with audio legend Walt Jung. This introductory guide explains the theory and practice of using modern op amps to build high-performance active filters that are easier to tune and more reliable than traditional passive designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultipath Revisited\u003c\/strong\u003e: Solve your FM reception woes. This follow-up and rebuttal provides a deep dive into the causes of multipath distortion and shows you exactly how to use an oscilloscope to detect and fix these signal-degrading reflections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaith, Fidelity, and the Whatsis\u003c\/strong\u003e: Take a nostalgic tour of the audio \"hi-fi go-round\". Wailes Gray reflects on decades of audio trends—from early bass-reflex enclosures to the quadraphonic craze—finding that true musical satisfaction often lies in elegant simplicity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassic Circuitry: The Audio Research SP-3A-1\u003c\/strong\u003e: Study the engineering of a modern masterpiece. This issue includes the complete schematic and parts list for the legendary SP-3A-1 preamplifier, a unit recognized even then as one of the few production pieces worthy of the \"classic\" label.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Aids\u003c\/strong\u003e: Discover ingenious DIY fixes from fellow readers, including a \"Double Dub and Fader\" for managing two tape recorders, tips for repairing snapped cartridge tapes, and instructions for building better tonearm pivots.\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 Proven Transmission Line Loudspeaker\u003c\/strong\u003e: by B. J. Webb ................................................ \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker Evaluation: Ear or Machine? Part 1\u003c\/strong\u003e: by Roger H. Russell ................................... \u003cstrong\u003e10\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Test Bench Filter Set\u003c\/strong\u003e: by Fred M. Gloeckler, Jr. ........................................................... \u003cstrong\u003e16\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOp Amps for Audio: Active Filters, Part I\u003c\/strong\u003e: by Walt Jung ................................................. \u003cstrong\u003e22\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Aids\u003c\/strong\u003e: by readers Hayward, Bayzer, Royer, and Gibbons ........................................... \u003cstrong\u003e28\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBook Talk\u003c\/strong\u003e: by Ronald H. Miller .......................................................................................... \u003cstrong\u003e31\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaith, Fidelity, and the Whatsis\u003c\/strong\u003e: by Wailes Gray ........................................................... \u003cstrong\u003e34\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultipath Revisited\u003c\/strong\u003e: by Fred M. Gloeckler, Jr. ................................................................ \u003cstrong\u003e36\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassic Circuitry\u003c\/strong\u003e: The Audio Research SP-3A-1 ............................................................. \u003cstrong\u003e38\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLetters\u003c\/strong\u003e .................................................................................................................................... \u003cstrong\u003e40\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAd Index\u003c\/strong\u003e ................................................................................................................................. \u003cstrong\u003e44\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJust Looking\u003c\/strong\u003e .......................................................................................................................... \u003cstrong\u003e45\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassified\u003c\/strong\u003e ............................................................................................................................... \u003cstrong\u003e46\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"CC-Webshop","offers":[{"title":"Default Title","offer_id":48323922690262,"sku":"AA-1-1975","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/5013\/7974\/files\/75_01_cover.jpg?v=1780600138","url":"https:\/\/cc-webshop.com\/products\/audio-amateur-1-1975-pdf","provider":"CC-Webshop","version":"1.0","type":"link"}