Power Tubes

Power tubes, or output tubes, continue to amplify the signal sent from the preamp section so they can drive the speakers. Each set of power tubes will draw a different current (measured in milliamps), affecting how fast the signal gets passed through your amp. The speed of this current will have a big impact of the tone of your guitar amp.

 


  • JJ KT88

    JJ KT88
    $38.95
    Detailed character, tightly compressed bottom end.
  • Motorola 97-136A01

    Motorola 97-136A01
    $49.95
    Motorola 97-136A01 power tetrode
  • Mullard 6L6GC

    Mullard 6L6GC
    $27.95
    This valve is a rugged reliable replacement for any 6L6 or 5881 type.
  • NOS 6AU5GT

    NOS 6AU5GT
    $6.00
    Assorted NOS 6AU5GT
  • NOS 6CZ5

    NOS 6CZ5
    $8.95
    NOS 6CZ5
  • NOS 6K6GT

    NOS 6K6GT
    $17.95
    Assorted NOS 6K6GT
  • Penta KT66

    Penta KT66
    $36.95
    Sturdy, log long hours with these. Clean, bright, detailed. SINGLES ONLY
  • Penta KT88SC

    penta-labs-kt88sc
    $57.95
    More refined, detailed. Good for hi-fi and guitar alike. ****OUT OF STOCK**** Please order RUBY KT88V-STR's.
  • RCA Blackplate 6L6GC

    RCA Blackplate 6L6GC
    $195.00
    RCA blackplate 6L6GC
  • Ruby 6550A-STR

    Ruby 6550 STR
    $38.95

    Ruby 6550A-STR is a Chinese Shuguang(Sino equivalent) - selected by RUBY.

  • Ruby 6L6GC-CZ

    Ruby 6L6GC-CZ
    $19.55
    Higher grade, hand selected JJ 6L6GC from Ruby Tubes.
  • Ruby 6L6GCBSTR

    Ruby 6L6GCBSTR
    $21.95
    RUBY 6L6GCBSTR. Tall bottle, solid black plate. New arrival!

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