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.

 


  • CBS 6BK7B

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

    Ei 12BH7
    $18.00
    Ei 12BH7. Only driver tube grade available.
  • Ei ECC83

    Ei ECC83
    $0.00
    Ei ECC83/12AX7 - Phase inverter only. SOLD OUT
  • GE 5-Star 6201/12AT7

    GE 5-Star 6201/12AT7
    $0.00
    GE 6201 5 Star rated high grade 12AT7's. ***OUT OF STOCK***
  • GE 5751 5-star

    GE 5751 5-star
    $59.95
    GE 5751 5-star
  • GE 6201

    GE 6201
    $0.00
    Premium military NOS tube. SOLD OUT
  • Gift Card 2014

    Gift Card 2014

    From: $25.00

    To: $200.00

    Doug's Tubes Gift Card
  • JAN 12AT7WC Black

    JAN 12AT7 WC Black
    $16.95
    Great for reverb or phase splitter. Black plate dissipates heat better.
  • JAN 12AT7WC Grey

    jan-12AT7WC-grey-plate
    $13.95
    Great for reverb or phase splitter. Sturdy NOS tube.
  • JAN 5814A

    JAN 5814 WA
    $18.00
    Clean and musical, great 12AU7 replacement.
  • JAN 5963

    JAN 5963
    $15.95
    Full bodied sound, nice 12AU7 replacement.
  • JAN GE 6072A

    JAN GE 6072
    $59.95
    JAN GE 6072A

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