12AX7 / 7025 / 5751 / 12AY7

12AX7 / ECC83 is the most popular tube in guitar amps. Amplification factor is 100, which is highest of all audio triodes. Can be substituted with 5751, if amps has too much gain or if warmer sound is preferable. Amplification factor of 5751 is about 70.
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  1. TAD ECC83-WB PREMIUM Selection
    €19.90 €16.05
  2. 12AX7WA NOS JAN Philips USA
    €69.00 €55.65
  3. JJ E83CC (premium ECC83)
    €23.00 €18.55
    JJ E83CC is upgrade version from ECC83 / 12AX7. Works in place of any ECC83 / 12AX7 / 7025 tube. Learn More
  4. RCA 5751 black plate NOS USA
    €79.00 €63.71
  5. JJ ECC803S - vintage style pre amp tube (=12AX7)
    Vintage style pre amp tube from JJ factory. ECC803S has more open and harmonic sounds compared to JJ ECC83S. Great for guitar amps. We recommend to choose SQ tested version for better quality. Learn More
  6. JJ ECC83MG
    €15.00 €12.10
    New ECC83 from JJ electronic. Sound quality and construction in between of JJ ECC83S and ECC803. Lower gain than ECC83S and less microphonic than ECC803. Learn More
  7. 5751 Highgrade TAD Premium Selected
    €28.00 €22.58
    High Grade selected preamp tube for most demanding applications. Learn More
  8. 7025 WA TAD HIGHGRADE Premium Selected - NEW -
    €22.00 €17.74
    Rating:
    80% of 100
    High Grade selected preamp tube for most demanding applications. Learn More
  9. ECC803 S TAD Premium Selected
    €22.00 €17.74
    Telefunken -style tube with large anodes Learn More
  10. 7025/E83CC HIGHGRADE TAD Premium Selected
    €17.00 €13.71
    High Grade selected preamp tube for most demanding applications. Learn More
  11. 7025 S Premium Selected -Mullard style- TAD-Tubes
    €29.00 €23.39
    Remake of Mullard ECC83 Learn More
  12. 7025 HIGHGRADE TAD Premium Selected
    €23.00 €18.55
    High Grade selected preamp tube for most demanding applications. Learn More
  13. 5751 TAD Premium Selected
    €24.00 €19.35
    Low gain version of 12AX7 Learn More
  14. ECC83 WA TAD Premium Selected - NEW -
    €13.00 €10.48
    Triple Mica -structure, low noise. Balanced. Learn More
  15. 12AY7/6072A TAD Balance-Selected, GOLD-PIN Stereo-HiFi-Selection
    €31.00 €25.00
    Gold pin version of the TAD 12AY7 Learn More
  16. 12AY7/6072A TAD Premium Selected
    €22.00 €17.74
    Input tube of the old Tweed amps Learn More
  17. 12AX7WA-R TAD Premium Selected
    €24.00 €19.35
    Very low noise, little less gain. Learn More
  18. ECC83-Cz TAD Premium Selected
    €16.00 €12.90
    Selected tube. Darker highs / warm sound Learn More
  19. 12AX7A/ECC83 TAD Premium Selected (~ 7025, 12AX7WA, E83CC)
    €21.50 €17.34
    Rating:
    83% of 100
    Very good gain, selected by matching triode halfs Learn More
  20. JJ ECC83S (12ax7)
    €13.50 €10.89
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