{"product_id":"rsm-vol-10-how-to-test-and-repair-loudspeakers","title":"RSM Vol 10 - How To Test And Repair Loudspeakers","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cstrong\u003e1947 educational manual\u003c\/strong\u003e\u003cspan\u003e from the \u003c\/span\u003e\u003cstrong\u003eNational Radio Institute\u003c\/strong\u003e\u003cspan\u003e provides a comprehensive guide for \u003c\/span\u003e\u003cstrong\u003eservicing and repairing\u003c\/strong\u003e\u003cspan\u003e essential radio components like \u003c\/span\u003e\u003cstrong\u003ecoils, chokes, and transformers\u003c\/strong\u003e\u003cspan\u003e. The text explains how to distinguish between \u003c\/span\u003e\u003cstrong\u003eair-core and iron-core\u003c\/strong\u003e\u003cspan\u003e varieties while detailing common electrical failures such as \u003c\/span\u003e\u003cstrong\u003eopen circuits, shorts, and inductance changes\u003c\/strong\u003e\u003cspan\u003e. Technicians are taught to use tools like \u003c\/span\u003e\u003cstrong\u003evoltmeters and ohmmeters\u003c\/strong\u003e\u003cspan\u003e to diagnose these malfunctions and determine when a part can be \u003c\/span\u003e\u003cstrong\u003erepaired by hand\u003c\/strong\u003e\u003cspan\u003e or must be \u003c\/span\u003e\u003cstrong\u003ereplaced entirely\u003c\/strong\u003e\u003cspan\u003e. Furthermore, the source offers practical advice on \u003c\/span\u003e\u003cstrong\u003esourcing replacement parts\u003c\/strong\u003e\u003cspan\u003e from manufacturers and techniques for \u003c\/span\u003e\u003cstrong\u003emechanical installation\u003c\/strong\u003e\u003cspan\u003e, such as drilling new mounting holes or removing rivets. By focusing on \u003c\/span\u003e\u003cstrong\u003eidentifying defects\u003c\/strong\u003e\u003cspan\u003e through physical symptoms and electrical tests, the guide aims to equip students with the skills necessary for \u003c\/span\u003e\u003cstrong\u003eprofessional radio maintenance\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Retro Radio Shop","offers":[{"title":"Default Title","offer_id":46072504320188,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2932\/5866\/files\/ARRA-1_9d862317-ba0c-4202-a50b-94f6c5453520.png?v=1773856332","url":"https:\/\/www.retroradioshop.com\/products\/rsm-vol-10-how-to-test-and-repair-loudspeakers","provider":"Retro Radio Shop","version":"1.0","type":"link"}