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  1. P

    IC-4KL any good?

    Few days ago I was asking/thinking about what tube to use for a home brew amplifier. Decided to go with the 3-500Z....so the project is on the "collect components" stage!!! And now to the point......Im offered a good condition, low use IC-4KL, one owner (as per owner) at a resonable price. I...
  2. P

    HF amp - 4CX350FJ

    Many thanks for your help. The Ameritron AL80 design sounds a better idea since it uses only one 3-500 . I will search for the circuit.
  3. P

    HF amp - 4CX350FJ

    I think I will follow your advise :thumbup1: and start with a triod. Any suggestions for tubes and diagrams?
  4. P

    HF amp - 4CX350FJ

    Hi there, I have decided that I start buiding a tube HF amplifier. It should have an output (SSB) NO more than 1Kw (say 700-800w). This will be my first HF amp. I have kept for many years (for future use...) four 4CX350FJ which I dont know if they are any good (externaly are in excellent...
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