12AX7 / ECC83 / 7025

The 12AX7 is by far the most common out of all preamp tubes. Also known as the ECC83 or the 7025, it is a dual triode tube that has the highest voltage gain of all preamp tubes, with a mu of 100. Widely used across guitar amplifiers and hi-fi applications.

For less gain, you can replace a 12AX7 with 5751, 12AT7, or a 12AY7

 


 

  • Mullard CV4004/12AX7

    Mullard CV4004/12AX7

    Regular Price: $23.95

    Special Price: $21.95

    The CV4004/12AX7 is a high gain, low noise valve with a short plate structure for reduced microphonics. NEW ARRIVAL!
  • NOS-Chinese 12AX7

    NOS-Chinese 12AX7
    $28.95
    NOS 80's Chinese 12AX7(Foil dimpled square getter). Made in the closed Beijing tube factory. Purchase 5 and save $10.

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