KD8MJR

  1. Heathkit SB-1000 Design Defect

    I have an SB-1000 on the workbench with a few problems, the original builder did an excellent job of soldering and assembly but he made one critical mistake in soldering in the Tank Coil. He basically made the overall length too short and literally shorted out some of the turns. The end result was that on the upper bands he had nothing but problems and ended up destroying the original tube. It seems like after a few weeks he put the amp in a box and there she sat for at least 25 years until he ...
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