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  1. K

    Transistor Amplifier Tuning

    That’s Mudduck Sharky. He’s self taught, with help from BBI. BBI has talked a lot about him. He’s pretty sharp
  2. K

    High SWR with amp

    I know this is an old one, but did you find the cause of the SWR being so high? Did the tech tell you what he had to do or was it something you changed? I’m having about the same problem with an old Bilateral 4 power DX400 with 2290s. Mine started good and SWR built up and wouldn’t go back down...