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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On Sale
New Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tube
Tung-Sol
Now: $37.40Was: $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 they don't light up much, but it effectively helps to...Now: $37.40Was: $41.56 -
On Sale
New Matched Octet (8) JJ 5751 Low Gain Vacuum Tubes
JJ Electronic
Now: $189.45Was: $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 reign in a high gain amplifier. Specifically modeled after...Now: $189.45Was: $210.50 -
On Sale
New Matched Sextet (6) JJ 5751 Low Gain Vacuum Tubes
JJ Electronic
Now: $142.45Was: $158.28New Gain Matched Sextet 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 reign in a high gain amplifier. Specifically modeled...Now: $142.45Was: $158.28 -
On Sale
New Matched Quintet (5) JJ 5751 Low Gain Vacuum Tubes
JJ Electronic
Now: $119.20Was: $132.44New Gain Matched Quintet 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 reign in a high gain amplifier. Specifically modeled...Now: $119.20Was: $132.44 -
On Sale
New Matched Quad (4) JJ 5751 Low Gain Vacuum Tubes
JJ Electronic
Now: $95.94Was: $106.60New Gain Matched Quad 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 reign in a high gain amplifier. Specifically modeled after...Now: $95.94Was: $106.60 -
On Sale
New Matched Trio (3) JJ 5751 Low Gain Vacuum Tubes
JJ Electronic
Now: $72.69Was: $80.77New Gain Matched Trio 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 reign in a high gain amplifier. Specifically modeled after...Now: $72.69Was: $80.77 -
On Sale
New Matched Pair (2) JJ 5751 Low Gain Vacuum Tubes
JJ Electronic
Now: $49.44Was: $54.93New Gain Matched Pair 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 reign in a high gain amplifier. Specifically modeled after...Now: $49.44Was: $54.93 -
On Sale
New JJ 5751 Low Gain Vacuum Tube
JJ Electronic
Now: $24.30Was: $27.00New Gain Tested JJ 5751 Low Gain Vacuum Tube 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 reign in a high gain amplifier. Specifically modeled after JJ’s...Now: $24.30Was: $27.00 -
On Sale
New Matched Octet (8) Electro-Harmonix 12AX7 / ECC83 GOLD PINS Vacuum Tubes
Electro-Harmonix
Now: $268.00Was: $297.78New Gain Matched Octet of Electro-Harmonix 12AX7 / ECC83 GOLD PINS Vacuum Tubes This is the same tube as the Electro-Harmonix 12AX7 with a few big differences. The pins are plated with gold to prevent corrosion and to protect the pins (they also fit a...Now: $268.00Was: $297.78 -
On Sale
New Matched Quad (4) Electro-Harmonix 12AX7 / ECC83 GOLD PINS Vacuum Tubes
Electro-Harmonix
Now: $135.23Was: $150.25New Gain Matched Quad of Electro-Harmonix 12AX7 / ECC83 GOLD PINS Vacuum Tubes This is the same tube as the Electro-Harmonix 12AX7 with a few big differences. The pins are plated with gold to prevent corrosion and to protect the pins (they also fit a...Now: $135.23Was: $150.25 -
On Sale
New Matched Trio (3) Electro-Harmonix 12AX7 / ECC83 GOLD PINS Vacuum Tubes
Electro-Harmonix
Now: $102.15Was: $113.50New Gain Matched Trio of Electro-Harmonix 12AX7 / ECC83 GOLD PINS Vacuum Tubes This is the same tube as the Electro-Harmonix 12AX7 with a few big differences. The pins are plated with gold to prevent corrosion and to protect the pins (they also fit a...Now: $102.15Was: $113.50 -
On Sale
New Matched Pair (2) Electro-Harmonix 12AX7 / ECC83 GOLD PINS Vacuum Tubes
Electro-Harmonix
Now: $69.08Was: $76.75New Gain Matched Pair of Electro-Harmonix 12AX7 / ECC83 GOLD PINS Vacuum Tube This is the same tube as the Electro-Harmonix 12AX7 with a few big differences. The pins are plated with gold to prevent corrosion and to protect the pins (they also fit a...Now: $69.08Was: $76.75