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.

 


  • GE 6201

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

    Genelex CV4085/6267
    $325.00
    Legendary original NOS Genelex CV4085/EF86/6267.
  • Jan Philips 6AU6WC

    Jan Philips 6AU6WC
    $9.95
    Jan Philips 6AU6WC miniature sharp-cutoff pentode.
  • NOS 12AT7

    NOS 12AT7
    $18.00
    Assorted brands NOS 12AT7
  • NOS 12AU7

    NOS 12AU7
    $19.95
    Assorted NOS 12AU7
  • NOS 12AV7

    NOS 12AV7
    $7.95
    Assorted NOS 12AV7, medium-mu twin triode.
  • NOS 12AX7/7025

    NOS 12AX7
    $0.00
    Assorted NOS 12AX7. Call for availability.
  • NOS 12AY7

    NOS 12AY7
    $0.00
    Assorted NOS 12AY7
  • NOS 12AZ7

    NOS 12AZ7
    $10.00
    Assorted NOS 12AZ7 high-mu twin triode.
  • NOS 12BH7

    NOS 12BH7
    $32.95
    Assorted NOS 12BH7
  • NOS 12BY7

    NOS 12BY7
    $14.95
    Assorted NOS 12BY7
  • NOS 12SN7GTA

    NOS 12SN7GTA
    $5.00
    Assorted NOS 12SN7GTA
  • NOS 5814A

    NOS 5814A
    $19.95
    Assorted NOS 5814A
  • NOS 5879

    NOS 5879
    $22.00
    Assorted NOS 5879. Sharp-Cutoff Pentode.
  • NOS 6414

    NOS 6414
    $14.00
    Assorted NOS 6414
  • NOS 6BQ7A

    NOS 6BQ7A
    $5.00
    Assorted NOS 6BQ7A
  • NOS 6C4

    NOS 6C4
    $12.95
    Assorted NOS 6C4
  • NOS 6CG7/6FQ7

    NOS 6CG7/6FQ7
    $29.95
    Assorted brands, call for availability. No RCA cleartops.
  • NOS 6U10

    NOS 6U10
    $10.00
    Assorted NOS 6U10
  • RCA 6021

    RCA 6021
    $35.00
    RCA 6021 Medium-Mu sub-miniature twin triode.
  • RCA 6SL7GT

    RCA 6SL7GT
    $45.00
    RCA 6SL7GT

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