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Getting Started in Vintage Radio Repair and Construction

Low Frequency Amplification


These pages describe the Low Frequency amplification section of a Valve radio. And show the methods of coupling the valves (ie: resistor/Capacitor,Transformer and the rare (for 1956) Choke coupler. Grid Bias is explained together with the methods used to derive it (not using a seperate battery). These pages are availiable as a Low Frequency Amplification PDF Download




Low Frequency Amplification Page 1
 Low Frequency Amplification Page 2
Low Frequency Amplification Page 3 Low Frequency Amplification Page 4








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Last updated 10.5.2006


2003-2006 © Maurice Woodhead