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.

 



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  • Gold Lion KT66

    Gold Lion KT66
    $40.95
    Articulate and dynamic, great for guitar and hi-fi. SINGLES ONLY
  • Groove Tubes 6L6 C #4

    Groove Tubes 6L6 C #4
    $0.00
    Out of Stock, no longer available. We recommend the RUBY 6L6GCMSTR's.
  • Groove Tubes 6L6 S

    Groove Tubes 6L6 S
    $0.00
    Aggressive, punchy, dynamic tone.

    Please see the Ruby 6L6GC-CZ for pairs and quads.

  • JJ 6L6GC

    JJ 6L6GC
    $20.95

    Wide tonal range, sweet sound breakup.

    Please see the Ruby 6L6GC-CZ for pairs and quads.

  • Mullard 6L6GC

    Mullard 6L6GC
    $27.95
    This valve is a rugged reliable replacement for any 6L6 or 5881 type.
  • NOS Sylvania 7027

    NOS Sylvania 7027
    $0.00
    Beam power tube similar to 6L6GC. ******OUT OF STOCK****
  • NOS Tung-Sol 5881

    NOS Tung-Sol 5881
    $98.95
    Original brown base 50's-60's Tung-Sol
  • Penta KT66

    Penta KT66
    $36.95
    Sturdy, log long hours with these. Clean, bright, detailed. SINGLES ONLY
  • Ruby 6L6GCMS

    Ruby 6L6GCMS
    $22.49
    RUBY 6L6GCMS. Short bottle, black plate. New arrival!
  • Ruby 6L6GCMSTR

    Ruby 6L6 GCMSTR
    $19.95

    Very detailed and musical, packs a wall of punch.

  • Ruby KT66

    Ruby KT66
    $35.95

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

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