Preamp Tubes

Preamp tubes take the small signal from your pickup and amplify it to "line level." As the signal passes through, preamp tubes influence the various EQ stages found in your amp, such as distortion, gain boost, tremolo and reverb.  In most amp circuits, it is common for each stage to be controlled by one preamp tube.  Therefore, preamp tubes will impact your tone more than any other tube change in your amp, especially in the V1 slot (closest to your input jack).


Additional options for your preamp tubes when needed:

Balanced:  When the plate current draw of each triode is the same, we refer to that as having balanced triodes. 

High Gain:  Tubes that measured to have higher gain.

Matched:  Each triode of the preamp tube has matching gain.

 


  • ANOS-Chinese 80's

    ANOS-Chinese 80's
    $14.95
    ANOS 80's chinese 12AX7
  • CBS 6BK7B

    CBS 6BK7B
    $4.95
    CBS 6BK7B medium-mu 9-pin twin triode
  • Ei 12BH7

    Ei 12BH7
    $24.95
    Ei 12BH7. Driver grade only.
  • Gift Card 2017

    Gift Card 2017

    From: $25.00

    To: $100.00

    Doug's Tubes Gift Card 2017
  • JAN 12AT7WC Black

    JAN 12AT7 WC Black
    $17.95
    Great for reverb or phase splitter. Black plate dissipates heat better.
  • JAN 12AT7WC Grey

    jan-12AT7WC-grey-plate
    $14.95
    Great for reverb or phase splitter. Sturdy NOS tube.

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