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Thread: 813 RF amplifier

  1. Sun 8th May 2011, 14:04 #1
    John_D
    John_D is offline
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    Default 813 RF amplifier

    Having come across 2 x 813 tetrode valves( tubes) I have decided to build a grounded grid amplifier. I have many, many circuit diagrams and instruction from the 'Net... anyone else tried to build one of these. Checking this morning, I see that I now have all the components including that 10amp, 10v transformer...(God its heavy!!!!!!!)
    Last edited by John_D; Tue 10th May 2011 at 22:04.
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