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  1. K

    1 3cx1500a7 or 2 3cx800a7's????

    Sorry, slight typo, 2000 KVA would be more than enough for amateur legal limit. Obviuolsy I meant 2KVA. As someone already mentioned, Harris makes some great amps too. Another thing to look, especially if this is for 160 meter AM is a mono-band homebrew amp. There are a variety of...
  2. K

    1 3cx1500a7 or 2 3cx800a7's????

    On sheer dissipation, two 3cx800's have 100 watts more. New tubes, a 3cx800 is about $600 each new, while the 3cx1500 is around $900 new. They are probably about an even match. As others have mentioned though, it's not just about tube dissipation. It is about efficiency and also about the...
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