12AX7 - ECC83 - 5751 - 7025
Possibly the most popular preamp tube on the planet, the 12AX7 series offers almost unlimited options.
Compatible Equivalents & Substitutes: 12AX7, 12AX7A, 12AX7EA, 7025, ECC83, ECC803S, 5751 (low gain), CV492, 7058, 12DF7, CV4004, B339, E83CC, M8137.
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New Sovtek 12AX7WA / 7025 Vacuum Tube
Sovtek
$24.45New Gain Tested Sovtek 12AX7WA / 7025 Vacuum Tube Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and well-suited for...$24.45 -
New Matched Pair (2) Sovtek 12AX7WA / 7025 Vacuum Tubes
Sovtek
$49.50New Gain Matched Pair of Sovtek 12AX7WA / 7025 Vacuum Tubes Vacuum tubes from Sovtek have long been considered top-shelf, and for good reason. They are tonally rich, robustly engineered, and...$49.50 -
![Gain Matched Quintet (5) Svetlana 12AX7 ECC83 [Winged =C= Reissue] Vacuum Tubes](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/44581/45916/NP117-5__30983.1646093705.JPG?c=2 "Gain Matched Quintet (5) Svetlana 12AX7 ECC83 [Winged =C= Reissue] Vacuum Tubes")
New Matched Quintet (5) Svetlana 12AX7 Vacuum Tubes
Svetlana
$127.68New Gain Matched Quintet of Svetlana 12AX7 / ECC83 Vacuum Tubes Svetlana vacuum tubes are among the best available at any price point, and are a great choice for anyone looking for high fidelity and...$127.68 -
![Gain Matched Quad (4) Svetlana 12AX7 ECC83 [Winged =C= SED Reissue] Vacuum Tubes](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/44580/45915/NP117-4__54457.1650990842.JPG?c=2 "Gain Matched Quad (4) Svetlana 12AX7 ECC83 [Winged =C= SED Reissue] Vacuum Tubes")
New Matched Quad (4) Svetlana 12AX7 Vacuum Tubes
Svetlana
$102.69New Gain Matched Quad of Svetlana 12AX7 / ECC83 Vacuum Tubes Svetlana vacuum tubes are among the best available at any price point, and are a great choice for anyone looking for high fidelity and...$102.69 -
![Gain Matched Pair (2) Svetlana 12AX7 ECC83 [Winged =C= SED Reissue] Vacuum Tubes](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/44578/45913/NP117-2__00735.1652816771.JPG?c=2 "Gain Matched Pair (2) Svetlana 12AX7 ECC83 [Winged =C= SED Reissue] Vacuum Tubes")
New Matched Pair (2) Svetlana 12AX7 Vacuum Tubes
Svetlana
$52.71New Gain Matched Pair of Svetlana 12AX7 / ECC83 Vacuum Tubes Svetlana vacuum tubes are among the best available at any price point, and are a great choice for anyone looking for high fidelity and...$52.71 -
![Gain Matched Trio (3) Svetlana 12AX7 ECC83 [Winged =C= SED Reissue] Vacuum Tubes](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/44579/62846/NP117-3__85886.1701912465.JPG?c=2 "Gain Matched Trio (3) Svetlana 12AX7 ECC83 [Winged =C= SED Reissue] Vacuum Tubes")
New Matched Trio (3) Svetlana 12AX7 Vacuum Tubes
Svetlana
$77.70New Gain Matched Trio of Svetlana 12AX7 / ECC83 Vacuum Tubes Svetlana vacuum tubes are among the best available at any price point, and are a great choice for anyone looking for high fidelity and...$77.70 -
![Gain Tested Svetlana 12AX7 ECC83 [Winged =C= SED Reissue] Vacuum Tube Brand New](https://cdn11.bigcommerce.com/s-dfccaj35/images/stencil/350x350/products/44577/45912/NP117-1__11098.1652816767.JPG?c=2 "Gain Tested Svetlana 12AX7 ECC83 [Winged =C= SED Reissue] Vacuum Tube Brand New")
New Svetlana 12AX7 Vacuum Tube
Svetlana
$25.78Gain Tested Svetlana 12AX7 / ECC83 Vacuum Tube Svetlana vacuum tubes are among the best available at any price point, and are a great choice for anyone looking for high fidelity and reliability...$25.78 -
New Gain Matched Quad (4) Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tubes
Tung-Sol
$168.65New Gain Matched Quad of Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tubes These tubes are high gain, low noise and are VERY warm and detailed. The filaments are almost completely encased within the...$168.65 -
New Gain Matched Pair (2) Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tubes
Tung-Sol
$85.95New Gain Matched Pair of Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tubes These tubes are high gain, low noise and are VERY warm and detailed. The filaments are almost completely encased within the...$85.95 -
New Gain Matched Trio (3) Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tubes
Tung-Sol
$127.30New Gain Matched Trio of Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tubes These tubes are high gain, low noise and are VERY warm and detailed. The filaments are almost completely encased within the...$127.30 -
New Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tube
Tung-Sol
$41.56New Gain Tested Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tube These tubes are high gain, low noise, and are VERY warm and detailed.The filaments are almost completely encased within the plates so...$41.56 -
New Matched Octet (8) JJ 5751 Low Gain Vacuum Tubes
JJ Electronic
$210.50New Gain Matched Octet of JJ 5751 Low Gain Vacuum Tubes The JJ 5751 can be used in most 12AX7 circuits to help stave off early break-up. With a lower gain than a standard 12AX7, the 5751 can help...$210.50