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.

 


  • Amperex 5894B/8737

    Amperex 5894B

    Regular Price: $59.95

    Special Price: $54.95

    Amperex 5894B/8737
  • Amperex 6939

    Amperex 6939
    $14.95
    Amperex 6939 high gain twin tetrode.
  • Amperex 8595

    Amperex 8595
    $28.95
    Amperex 8595 high gain twin tetrode.
  • ANOS GE 6550

    NOS-6550-A
    $99.00
    ANOS GE 6550. Only unmatched singles available.
  • ANOS Genelex/GEC KT66

    ANOS Genelex/GEC KT66
    $199.95
    ANOS Genelex GEC KT66 originals, not the reissue.
  • ANOS Genelex/GEC KT88

    ANOS Genelex/GEC KT88
    $299.95
    ANOS Genelex GEC Gold Lion KT88 originals, not the reissue.
  • Gift Card 2019

    Gift Card 2019

    From: $25.00

    To: $100.00

    Doug's Tubes Gift Card 2019
  • Gold Lion KT66

    Gold Lion KT66
    $40.95
    Articulate and dynamic, great for guitar and hi-fi. SINGLES ONLY
  • Gold Lion KT88

    gold-lion-kt88
    $59.95
    Smooth tone, and great broad frequency range definition.
  • JJ 7591

    JJ 7591
    $18.95
    Great all around tube, very popular with our customers.
  • JJ E34L

    JJ E34L
    $17.49
    Tight response, balanced sounding EL34 option. SINGLES ONLY, no matched sets available.
  • JJ EL84

    JJ EL84
    $12.95
    Clear, and punchy. Very popular tube. See Ruby EL84CZ.

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