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
    $24.95
    Ei 12BH7. Driver grade only.
  • Ei 12DW7

    Ei 12DW7
    $24.95
    1/2 12AU7, 1/2 12AX7
  • GE 12AU7

    GE 12AU7
    $19.95
    GE 12AU7 medium-mu twin triode.
  • GE 6201

    GE 6201
    $0.00
    Premium military NOS tube. SOLD OUT
  • GEC CV4085/6267

    GEC CV4085/6267
    $325.00
    Legendary original NOS G.E.C. CV4085/EF86/6267.

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