6L6 / 5881 / KT66

6L6's are beam power tetrodes that can be characterized as having a bold, bigger rounder sound - with crystal highs, warm mids, and bass controlled lows.


  • NOS Sylvania 7027

    NOS Sylvania 7027
    Beam power tube similar to 6L6GC. ******OUT OF STOCK****
  • NOS Tung-Sol 5881

    NOS Tung-Sol 5881
    Original brown base 50's-60's Tung-Sol
  • Penta KT66

    Penta KT66
    Sturdy, log long hours with these. Clean, bright, detailed. SINGLES ONLY
  • Ruby KT66

    Ruby KT66

    Great cleans, with a nice grind. This Ruby tube is a re-labeled Chinese Shuguang tube

  • Sovtek 5881 WXT

    Sovtek 5881WXT
    Sovtek 5881 WXT
  • Sovtek 6L6WXT+

    Sovtek 6L6WXT+
    Sovtek 6L6WXT+

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