{"product_id":"rsm-vol-25-how-to-fix-a-receiver-that-distorts","title":"RSM Vol 25 - How To Fix A Receiver That Distorts","description":"\u003cdiv class=\"summary-content is-rich-chat-ui ng-star-inserted\"\u003e\n\u003cp\u003eThis\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1947 training manual\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNational Radio Institute\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a comprehensive guide for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ediagnosing and repairing audio distortion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein vintage radio receivers. The text instructs technicians on how to identify specific hardware defects, such as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eleaky coupling condensers\u003c\/strong\u003e, gassy vacuum tubes, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eimproper circuit biasing\u003c\/strong\u003e, by listening to the unique character of the output signal. It details technical troubleshooting methods for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eaudio amplifier and loudspeaker\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecomponents, including practical tests for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoff-center voice coils\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand damaged speaker cones. Additionally, the manual introduces a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esystematic training plan\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat encourages students to intentionally simulate faults to better recognize them in the field. By using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esignal tracing tools\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand voltage measurements, repairmen can efficiently isolate the source of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eamplitude and frequency distortion\u003c\/strong\u003e. Ultimately, the document serves as a pedagogical resource designed to turn novice students into\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eskilled radio technicians\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethrough hands-on experimentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"chat-panel-empty-state-action-bar ng-star-inserted\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"suggestions-container ng-star-inserted\"\u003e\n\u003cdiv class=\"follow-up-vertical-container ng-star-inserted\"\u003e\n\u003cdiv role=\"button\" class=\"follow-up-chip mat-body-medium grey-background ng-star-inserted\" tabindex=\"0\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Retro Radio Shop","offers":[{"title":"Default Title","offer_id":46072589353148,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2932\/5866\/files\/ARRA-1_d3aa24d1-f65a-48f7-bc0c-5fa42345c60b.png?v=1773856797","url":"https:\/\/www.retroradioshop.com\/products\/rsm-vol-25-how-to-fix-a-receiver-that-distorts","provider":"Retro Radio Shop","version":"1.0","type":"link"}