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  1. 2

    4 x HG 2879 advice

    Hi all, A friend of mine recently imported a 4 pill amp from a builder in the US and has managed to pop pill number 1 and blow the base emitter 10 ohm resistor. He contacted the box builder and was told that replacing pills 1 and 2 with a matched pair and replacing the BE resistor should be all...
  2. 2

    Any DMR engineers here familiar with Tait radios?

    Hi, I know there are some professional radio engineers here so hoping one of you are familiar with new Tait radios :) I am really struggling to find information online for the new DMR tier 3 tait radios. I am looking to program some Motorola radios in DCDM mode, but the radios may need to talk...
  3. 2

    Kenpro KR-400 brake material

    I've stripped down a Kenpro KR-400 rotator and found that the brake pad material was full of grease and had come away from the plates. I'm finding it hard to find spare parts and wondering if anybody knows what I could replace the friction material with?