{"product_id":"rsm-vol-08-how-to-test-tubes","title":"RSM Vol 08 - How To Test Tubes","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cstrong\u003e1947 training manual\u003c\/strong\u003e\u003cspan\u003e from the \u003c\/span\u003e\u003cstrong\u003eNational Radio Institute\u003c\/strong\u003e\u003cspan\u003e provides a comprehensive guide on \u003c\/span\u003e\u003cstrong\u003ediagnosing and testing radio tubes\u003c\/strong\u003e\u003cspan\u003e. The text identifies tubes as the most vulnerable components in a receiver and outlines common failures such as \u003c\/span\u003e\u003cstrong\u003ebroken filaments, electrical leakages, and gas contamination\u003c\/strong\u003e\u003cspan\u003e. To assist technicians, the document explains how to \u003c\/span\u003e\u003cstrong\u003eidentify tube prongs\u003c\/strong\u003e\u003cspan\u003e and navigate manufacturer \u003c\/span\u003e\u003cstrong\u003especification charts\u003c\/strong\u003e\u003cspan\u003e. It highlights the use of \u003c\/span\u003e\u003cstrong\u003eprofessional testing equipment\u003c\/strong\u003e\u003cspan\u003e, specifically comparing \u003c\/span\u003e\u003cstrong\u003eemission testers\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003emutual conductance testers\u003c\/strong\u003e\u003cspan\u003e. Detailed instructions are included for operating the \u003c\/span\u003e\u003cstrong\u003eNRI Model 66 tester\u003c\/strong\u003e\u003cspan\u003e, ensuring students can accurately determine if a component is \u003c\/span\u003e\u003cstrong\u003efunctional, questionable, or defective\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Retro Radio Shop","offers":[{"title":"Default Title","offer_id":46072317509820,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2932\/5866\/files\/ARRA-1_99e0d81f-005b-453e-a62d-e403162d61a4.png?v=1773856286","url":"https:\/\/www.retroradioshop.com\/products\/rsm-vol-08-how-to-test-tubes","provider":"Retro Radio Shop","version":"1.0","type":"link"}