12AX7/ECC83

The 12AX7 is a high gain dual triode used in guitar amplifiers and hi-fi circuits. It is a 9 pin noval tube with two heaters that can be operated in parallel at 6.3V or series at 12.6V. First developed in 1947, it is now the most commonly used tube in the world. The 12AX7 is often used for guitar input circuits, phase inverters in high gain amplifiers, reverb recovery circuits, microphone preamps and direct boxes.

Equivalents to the 12AX7 include ECC83, ECC803 and 7025.
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    Electro-Harmonix Preamp Vaccum Tube, 12AX7/ECC83 SKU#: T-EH-12AX7
    $12.35
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    Fender® Groove Tubes Preamp Tube, 12AX7-M SKU#: FEN-5550112397
    $17.95
    Out of stock
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    Fender® Groove Tubes Preamp Tube, 12AX7-R-2 SKU#: FEN-5550112396
    $17.95
    Out of stock
  4. Rating:
    98%
    JJ Preamp Vacuum Tube, 12AX7/ECC83 SKU#: T-JJ-12AX7
    $11.66
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    JJ Preamp Vacuum Tube, 12AX7/ECC83 Gold Pin SKU#: T-JJ-12AX7-GOLD
    $24.41
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    JJ Preamp Vacuum Tube, 5751 SKU#: T-JJ-5751
    $18.65
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    JJ Preamp Vacuum Tube, ECC803/12AX7 SKU#: T-JJ-ECC803
    $15.68
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    JJ Preamp Vacuum Tube, ECC803/12AX7 Gold Pin SKU#: T-JJ-ECC803-GOLD
    $30.75
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    JJ Preamp Vacuum Tube, ECC83-MG SKU#: T-JJ-12AX7-MG
    $16.45
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    Mullard Reissue Preamp Vacuum Tube, 12AX7 SKU#: T-MUL-12AX7
    $19.35
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    Ruby Preamp Vacuum Tube, 12AX7C5 SKU#: T-RBY-12AX7C5
    $12.75
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    Shugaung Chinese Preamp Tube, 12AX7B SKU#: T-SHU-12AX7
    $7.50
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