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.

 


  • Electro-Harmonix 12AX7

    Electro Harmonix 12AX7
    $13.50
    Balanced sound, ultra low noise and detailed musical tone.
  • Electro-Harmonix 7025

    Electro-Harmonix 7025
    $16.95
    The Electro-Harmonix 7025EH has a mid-range that gives clarity and definition to the sound and a smooth top end for warmth and balance.
  • GE 12AU7

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

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