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.

 


  • NOS 6CG7/6FQ7

    NOS 6CG7/6FQ7
    $29.95
    Assorted brands, call for availability. No RCA cleartops.
  • NOS 6J5GT/WGT

    NOS 6J5GT/WGT
    $0.00
    Assorted NOS 6J5GT/WGT
  • NOS 6SL7GT

    NOS 6SL7GT
    $34.95
    Assorted NOS 6SL7GT
  • NOS 6SN7GTB

    NOS 6SN7GTB
    $30.00
    Assorted NOS 6SN7GTB
  • NOS 6U10

    NOS 6U10
    $10.00
    Assorted NOS 6U10
  • NOS ECC85/6AQ8

    NOS ECC85/6AQ8
    $19.95
    NOS 6AQ8/ECC85 high-mu R.F. double triode
  • Penta 12AX7

    Penta 12AX7
    $13.95
    Warm, fat tone. We are now shipping 12AX7AC5 HG's in place of Penta's.
  • RCA 6021

    RCA 6021
    $35.00
    RCA 6021 Medium-Mu sub-miniature twin triode.
  • RCA 6J6A

    RCA 6J6A
    $4.95
    Medium-mu 7-pin twin triode

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