{"product_id":"audio-amateur-4-1976-pdf","title":"Audio Amateur 4\/1976 PDF","description":"\u003cp\u003e\u003cstrong\u003eAudio Amateur 4\/1976 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 1976 issue 4 of \u003cem\u003eThe Audio Amateur\u003c\/em\u003e concludes the magazine's seventh year with a 64-page edition featuring sophisticated IC applications, classic tube modifications, and essential testing guides. Here are the highlights of this issue:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompandor Power with the 570\/571 IC\u003c\/strong\u003e: Unlock the potential of the new Signetics monolithic compandor chips. Audio legend Walt Jung and Craig Todd provide a deep dive into these versatile devices, offering ready-to-use circuits for \u003cstrong\u003eprofessional-grade noise reduction\u003c\/strong\u003e, voltage-controlled faders, and high-performance squelch systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModify Your Heath IM Distortion Analyzer\u003c\/strong\u003e: Don't retire your trusty tube-type IM-48 just yet. Frederick Gloeckler reveals how to slash residual distortion from 0.1% to near-professional levels through clever \u003cstrong\u003epower supply filtering and filter modifications\u003c\/strong\u003e, ensuring your vintage gear can test modern state-of-the-art equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModernizing the Dyna Stereo 70\u003c\/strong\u003e: Give the world's most popular tube amplifier a \"modest gilding.\" H.L. Eisenson details an \u003cstrong\u003eaffordable, effective modification\u003c\/strong\u003e focusing on power supply and bias stability to achieve accurate performance that rivals expensive boutique gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaster the Art of Tape Set-up\u003c\/strong\u003e: Craig Stark continues his masterclass on making your recorder \"feel better and work better.\" Part 2 focuses on the critical electronic adjustments—including \u003cstrong\u003ebias, record equalization, and VU meter calibration\u003c\/strong\u003e—needed for peak fidelity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReach for the Rafters with a 20-Foot Mic Stand\u003c\/strong\u003e: Tired of poor mic placement at live recordings? Learn how to build a \u003cstrong\u003erugged, portable, 20-foot tall microphone stand\u003c\/strong\u003e for around $20 using stainless steel conduit. It’s the perfect solution for capturing the perfect ambiance in churches and concert halls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Testing on a Budget\u003c\/strong\u003e: Is the Heath IO-4550 the high-performance tool your workbench is missing? Our in-depth kit report puts this \u003cstrong\u003e10MHz dual-trace, triggered-sweep oscilloscope\u003c\/strong\u003e to the test to see if it delivers the precision required for serious audio work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscover the Best of Europe with the \u003cem\u003eEuro-Disc Gazette\u003c\/em\u003e\u003c\/strong\u003e: Bound into this issue is the premier of a new feature offering reprints of \u003cstrong\u003eelite record reviews from across the pond\u003c\/strong\u003e. Find the finest European recordings and learn how to have them shipped directly to your listening room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Aids\u003c\/strong\u003e: A treasure trove of reader-submitted ingenuity, from \u003cstrong\u003eDIY wire-wrapping tools\u003c\/strong\u003e for prototyping to essential performance hacks for AR turntables and Heath TV sets.\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\u003eOperation and Uses for the 570\/571 IC compandor chip\u003c\/strong\u003e: by Walt Jung and Craig Todd ... \u003cstrong\u003e3\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModify your Heath tube-type IM distortion analyzer\u003c\/strong\u003e: by Frederick M. Gloeckler, Jr. ... \u003cstrong\u003e9\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDyna's Stereo 70: a simple modification\u003c\/strong\u003e: by H. L. Eisenson ... \u003cstrong\u003e13\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA-Z Tape recorder set-up--Part 2\u003c\/strong\u003e: by Craig L. Stark ... \u003cstrong\u003e16\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA tall, portable microphone stand\u003c\/strong\u003e: by Alan S. Douglas ... \u003cstrong\u003e26\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Aids\u003c\/strong\u003e: by readers Berglas, Gloeckler, Branam, and Carlstrom ... \u003cstrong\u003e28\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEuro-Disc Gazette\u003c\/strong\u003e ... \u003cstrong\u003e31\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Report: Heath's IO-4550 Oscilloscope\u003c\/strong\u003e: by Fred M. Gloeckler, Jr. ... \u003cstrong\u003e38\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLETTERS\u003c\/strong\u003e ... \u003cstrong\u003e50\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCORRECTIONS\u003c\/strong\u003e ... \u003cstrong\u003e50\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJUST LOOKING\u003c\/strong\u003e ... \u003cstrong\u003e57\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLASSIFIED\u003c\/strong\u003e ... \u003cstrong\u003e59\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAD INDEX\u003c\/strong\u003e ... \u003cstrong\u003e59\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":48323912204502,"sku":"AA-4-1976","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/5013\/7974\/files\/76_04_cover.jpg?v=1780599686","url":"https:\/\/cc-webshop.com\/products\/audio-amateur-4-1976-pdf","provider":"CC-Webshop","version":"1.0","type":"link"}