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Vacuum Tubes for Guitar & Hifi Amps | Doug's Tubes


6550 / KT88

KT88's generate a lot power, handling significantly more plate voltage than other power tubes. As a result, KT88's and 6550's are produce cleaner tones and have low distortion, making it popular amongst bass amplifiers and high end audio applications.


  • ANOS GE 6550

    NOS-6550-A
    $112.50
    ANOS GE 6550

  • Electro Harmonix 6550

    Electro-Harmonix--6550
    $0.00
    Premium construction, maximum power of any 6550 and ultimate performance. **OUT OF STOCK**

  • Electro Harmonix KT88

    Electro-Harmonix-KT88
    $0.00
    Great tonal character for the price. **OUT OF STOCK**

  • Gold Lion KT88

    gold-lion-kt88
    $52.00
    Smooth tone, and great broad frequency range definition.

  • JJ KT88

    JJ KT88
    $38.95
    Detailed character, tightly compressed bottom end. See Ruby KT88-CZ

  • Penta KT88SC

    penta-labs-kt88sc
    $52.00
    More refined, detailed. Good for hi-fi and guitar alike.

  • Ruby 6550A-STR

    Ruby 6550 STR
    $33.95

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

  • Ruby KT88-CZ

    Ruby KT88-CZ
    $38.95
    Detailed character, tightly compressed bottom end.

  • Ruby KT88-STR

    Ruby KT88 STR
    $39.00

    Selected 3-hole plate KT88 made by Shuguang in China. Also re-marketed as Valve Art.

  • Ruby Winged =C= 6550

    Ruby Winged =C= 6550
    $0.00
    The same tube as the SED Winged "C" 6550. **OUT OF STOCK**

  • Svetlana 6550C

    svetlana-6550-C
    $31.95
    Solid, reliable, lots of clean headroom.

  • Tung-Sol 6550

    tung-sol-6550
    $36.95
    Extended highs, sharp bottoms. Wide bodied tone.

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Doug's Tubes, Inc.

P.O. Box 32

Levittown, NY 11756

 

516-314-0357

 

DJP@optonline.net


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