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Title Author Hits
10W Hi-Fi amplifier Written by Depczyk A. 9522
20W Amplifier Written by Klimczewski Cz. 8652
20W to 35W tube audio amplifier Written by A.W. 8765
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Amateur tube tester Written by Borowik B. 9319
Amplifier "5L" Written by Klimczewski Cz. 8658
Audio Tube Amplifiers Written by A.W. 10567
DC Power Amplifier RA360ST Written by Terlecki R. 8716
Designing output transformers (RiK 12/1974) Written by Super User 10493
How to make 1-tube amplifier powered from AC Written by Radioamator 1952/9 8753