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output tubes

  1. Salbreth1

    Tube checker recommendation... Again

    So I'm looking for a checker that will do a variety of tubes as well as output matching. I'm fairly new to the tube world but from what iv read Hickok is one of the go to brands. I have a $600 budget and am looking at a calibrated 752A and an 800. Both are transconductance models. The first...
    • Salbreth1
    • Thread
    • hickok output tubes tube checker tube matching
    • Replies: 18
    • Forum: Tube Audio
  2. ssouci

    Eico HF-81 -- best output tubes?

    I have a completely rebuilt Eico HF-81... virtually every part and wire has been replaced with careful choices by an experienced HF-81 rebuilder I've tried 3 sets of vintage NOS output tubes, with surprising results: #1. Siemens E84L / 7320 (heavy duty version of EL84 that can sub as a 7189)...
    • ssouci
    • Thread
    • 6bq5 tubes eico hf-81 el84 tubes output tubes tubes
    • Replies: 11
    • Forum: Eico Place
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