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 TAD ECC83-Cz / 12AX7 Premium Selected Vacuum Tube
TAD
Now: $36.87Was: $40.97New Gain Tested Tube Amp Doctor ECC83-Cz Premium Selected Vacuum Tube A wonderful tube with an emphasis of warm tones, lows, mids, overdrive and even highs. The A-Frame construction makes this an exceptionally low noise tubes, perfect for high gain...NP233-1Now: $36.87Was: $40.97 -
On Sale
New Matched Pair (2) TAD 7025 / E83CC-Cz /12AX7 High Grade Vacuum Tubes
TAD
Now: $64.84Was: $72.04New Gain Matched Pair of Tube Amp Doctor 7025 / E83CC-Cz (12AX7 / ECC83) High Grade Vacuum Tubes A specially selected tube for the emphasis of warm tones, lows, mids, overdrive and even highs. The A-Frame construction makes this an exceptionally low...NP231-2Now: $64.84Was: $72.04 -
On Sale
New TAD 7025 / E83CC-Cz / 12AX7 High Grade Vacuum Tube
TAD
Now: $31.53Was: $35.03New Gain Tested Tube Amp Doctor 7025 / E83CC-Cz (12AX7 / ECC83) Highgrade Vacuum Tube A specially selected tube for the emphasis of warm tones, lows, mids, overdrive and even highs. The A-Frame construction makes this an exceptionally low noise tubes,...NP231-1Now: $31.53Was: $35.03 -
Matched Octet (8) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes
$159.80New Late 2000's Stock White Boxed Gain Matched Octet 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 well-suited for the demanding...MUL173-8$159.80 -
Matched Septet (7) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes
$139.95New Late 2000's Stock White Boxed Gain Matched Septet 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 well-suited for the demanding...MUL173-7$139.95 -
Matched Sextet (6) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes
$119.85New Late 2000's Stock White Boxed Gain Matched Sextet 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 well-suited for the demanding...MUL173-6$119.85 -
Matched Quintet (5) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes
$99.95New Late 2000's Stock White Boxed Gain Matched Quintet 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 well-suited for the demanding...MUL173-5$99.95 -
Matched Quad (4) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes
$79.95New Late 2000's Stock White Boxed Gain Matched Quad 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 well-suited for the demanding...MUL173-4$79.95 -
Matched Trio (3) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes
$59.95New Late 2000's Stock White Boxed Gain Matched Trio 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 well-suited for the demanding...MUL173-3$59.95 -
Matched Pair (2) White Boxed Sovtek 12AX7WA / 7025 Vacuum Tubes
$39.95New Late 2000's Stock White Boxed 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 well-suited for the demanding...MUL173-2$39.95 -
White Boxed Sovtek 12AX7WA / 7025 Vacuum Tube
$14.95$14.80New Late 2000's Stock White Boxed 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 the demanding...MUL173-1$14.95$14.80 -
On Sale
New Matched Quad (4) JJ 12AX7 / ECC83 Gold Pins Vacuum Tubes
JJ Electronic
Now: $166.55Was: $185.05New Gain Matched Quad of JJ 12AX7 Gold Pins Vacuum Tubes The gold pin version of the JJ 12AX7 also uses the A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. Excellent choice for...NP204-4Now: $166.55Was: $185.05 -
On Sale
New Matched Trio (3) JJ 12AX7 / ECC83 Gold Pins Vacuum Tubes
JJ Electronic
Now: $125.64Was: $139.60New Gain Matched Trio of JJ 12AX7 Gold Pins Vacuum Tubes The gold pin version of the JJ 12AX7 also uses the A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. Excellent choice for...NP204-3Now: $125.64Was: $139.60 -
On Sale
New Matched Pair (2) JJ 12AX7 / ECC83 Gold Pins Vacuum Tubes
JJ Electronic
Now: $84.74Was: $94.15New Gain Matched Pair of JJ 12AX7 Gold Pins Vacuum Tubes The gold pin version of the JJ 12AX7 also uses the A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. Excellent choice for...NP204-2Now: $84.74Was: $94.15 -
On Sale
New JJ 12AX7 / ECC83 Gold Pins Vacuum Tube
JJ Electronic
Now: $40.87Was: $45.41New Gain Tested JJ 12AX7 Gold Pins Vacuum Tube The gold pin version of the JJ 12AX7 also uses the A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. Excellent choice for any high...NP204-1Now: $40.87Was: $45.41 -
On Sale
New Matched Quintet (5) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes
JJ Electronic
Now: $170.86Was: $189.84New Gain Matched Quintet of JJ E83CC (12AX7) A-Frame Short Plate Vacuum Tubes The JJ E83CC uses A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. With the same gain rating as a...NP202-5Now: $170.86Was: $189.84 -
On Sale
New Matched Quad (4) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes
JJ Electronic
Now: $137.28Was: $152.53New Gain Matched Quad of JJ E83CC (12AX7) A-Frame Short Plate Vacuum Tubes The JJ E83CC uses A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. With the same gain rating as a...NP202-4Now: $137.28Was: $152.53 -
On Sale
New Matched Trio (3) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes
JJ Electronic
Now: $103.69Was: $115.21New Gain Matched Trio of JJ E83CC (12AX7) A-Frame Short Plate Vacuum Tubes The JJ E83CC uses A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. With the same gain rating as a...NP202-3Now: $103.69Was: $115.21 -
On Sale
New Matched Pair (2) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes
JJ Electronic
Now: $70.10Was: $77.89New Gain Matched Pair of JJ E83CC (12AX7) A-Frame Short Plate Vacuum Tubes The JJ E83CC uses A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. With the same gain rating as a...NP202-2Now: $70.10Was: $77.89 -
On Sale
New JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tube
JJ Electronic
Now: $34.00Was: $37.78New Gain Tested JJ E83CC (12AX7) A-Frame Short Plate Vacuum Tube The JJ E83CC uses A-frame construction with boxed plates for utmost stability and reliability. This ensures lower noise for audio applications. With the same gain rating as a standard...NP202-1Now: $34.00Was: $37.78 -
On Sale
New Matched Octet (8) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
Now: $114.98Was: $127.75New Gain Matched Octet of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...NP201-8Now: $114.98Was: $127.75 -
On Sale
New Matched Septet (7) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
Now: $100.59Was: $111.77New Gain Matched Septet of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...NP201-7Now: $100.59Was: $111.77 -
On Sale
New Matched Sextet (6) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
Now: $86.28Was: $95.87New Gain Matched Sextet of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...NP201-6Now: $86.28Was: $95.87 -
On Sale
New Matched Quintet (5) Psvane Hifi 12AX7 / ECC83 S Vacuum Tubes
Psvane
Now: $71.96Was: $79.96New Gain Matched Quintet of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...NP201-5Now: $71.96Was: $79.96 -
On Sale
New Matched Quad (4) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
Now: $57.65Was: $64.06New Gain Matched Quad of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...NP201-4Now: $57.65Was: $64.06 -
On Sale
New Matched Trio (3) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
Now: $43.34Was: $48.16New Gain Matched Trio of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...NP201-3Now: $43.34Was: $48.16 -
On Sale
New Matched Pair (2) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
Now: $29.03Was: $32.26New Gain Matched Pair of Psvane 12AX7 Standard Pins Vacuum Tubes These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other...NP201-2Now: $29.03Was: $32.26 -
On Sale
New Psvane Hifi 12AX7 / ECC83 Vacuum Tube
Psvane
Now: $14.83Was: $16.48New Gain Tested Psvane 12AX7 / ECC83 Standard Pins Vacuum Tube These are part of the standard hifi series from Psvane offering excellent tone without breaking the bank. You can expect a rich and natural tone - a true workhorse tube. Unlike other Chinese...NP201-1Now: $14.83Was: $16.48 -
On Sale
New Matched Trio (3) JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tubes
JJ Electronic
Now: $72.95Was: $81.06New Gain Matched Trio of JJ 12AX7-MG Mid Gain Vacuum Tubes A more mild-mannered version of the standard 12AX7, this mid-gain tube is between a 12AX7 and a 5751. Full, rich mids and low noise/microphonics. Great for applications that call slightly less...NP200-3Now: $72.95Was: $81.06 -
On Sale
New Matched Pair (2) JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tubes
JJ Electronic
Now: $49.62Was: $55.13New Gain Matched Pair of JJ 12AX7-MG Mid Gain Vacuum Tubes A more mild-mannered version of the standard 12AX7, this mid-gain tube is between a 12AX7 and a 5751. Full, rich mids and low noise/microphonics. Great for applications that call slightly less...NP200-2Now: $49.62Was: $55.13 -
On Sale
New JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tube
JJ Electronic
Now: $24.38Was: $27.09New Gain Tested JJ 12AX7-MG Mid Gain Vacuum Tube A more mild-mannered version of the standard 12AX7, this mid-gain tube is between a 12AX7 and a 5751. Full, rich mids and low noise/microphonics. Great for applications that call slightly less breakup and...NP200-1Now: $24.38Was: $27.09 -
On Sale
New Matched Septet (7) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes
Telefunken
Now: $546.35Was: $607.05New Factory Matched Septet of Telefunken ECC83-TK (12AX7) Vacuum Tubes A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers distortion...NP180-7Now: $546.35Was: $607.05 -
On Sale
New Matched Quad (4) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes
Telefunken
Now: $313.17Was: $347.97New Factory Matched Quad of Telefunken ECC83-TK (12AX7) Vacuum Tubes A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers distortion...NP180-4Now: $313.17Was: $347.97 -
On Sale
New Matched Pair (2) Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tubes
Telefunken
Now: $158.05Was: $175.61New Factory Matched Pair of Telefunken Black Diamond ECC83-TK (12AX7) Vacuum Tubes A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers...NP180-2Now: $158.05Was: $175.61 -
On Sale
New Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tube
Telefunken
Now: $75.29Was: $83.65New Factory Tested Telefunken Black Diamond ECC83-TK (12AX7) Vacuum Tube A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers...NP180-1Now: $75.29Was: $83.65 -
On Sale
New Matched Septet (7) Mullard Reissue 12AX7 Vacuum Tubes
Mullard
Now: $131.82Was: $164.77New Gain Matched Septet (7 pcs) of Mullard 12AX7 Vacuum Tubes The Mullard 12AX7 is a versatile tube for many amplifiers like the Fender Deluxe line and more. They are also great for Hi-Fi stereo amplifiers. Producing a smooth tone, they have a...NP028-7Now: $131.82Was: $164.77 -
On Sale
New Matched Octet (8) Genalex Gold Lion CV4004 / 12AX7 Vacuum Tubes
Genalex
Now: $448.53Was: $498.37New Gain Matched Octet of Genalex Gold Lion CV4004 Short Plate Vacuum Tubes Genalex Gold Lion is the flagship brand among Electro-Harmonix products and it’s no wonder. They started by offering the standard long plate 12AX7/B759 which, while an...NP197-8Now: $448.53Was: $498.37 -
On Sale
New Matched Septet (7) Genalex Gold Lion CV4004 / 12AX7 Vacuum Tubes
Genalex
Now: $392.40Was: $436.00New Gain Matched Septet of Genalex Gold Lion CV4004 Short Plate Vacuum Tubes Genalex Gold Lion is the flagship brand among Electro-Harmonix products and it’s no wonder. They started by offering the standard long plate 12AX7/B759 which, while an...NP197-7Now: $392.40Was: $436.00 -
On Sale
New Matched Sextet (6) Genalex Gold Lion CV4004 / 12AX7 Vacuum Tubes
Genalex
Now: $336.76Was: $374.18New Gain Matched Sextet of Genalex Gold Lion CV4004 Short Plate Vacuum Tubes Genalex Gold Lion is the flagship brand among Electro-Harmonix products and it’s no wonder. They started by offering the standard long plate 12AX7/B759 which, while an...NP197-6Now: $336.76Was: $374.18 -
On Sale
New Matched Quintet (5) Genalex Gold Lion CV4004 / 12AX7 Vacuum Tubes
Genalex
Now: $281.12Was: $312.36New Gain Matched Quintet of Genalex Gold Lion CV4004 Short Plate Vacuum Tubes Genalex Gold Lion is the flagship brand among Electro-Harmonix products and it’s no wonder. They started by offering the standard long plate 12AX7/B759 which, while an...NP197-5Now: $281.12Was: $312.36