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 Matched Trio (3) TAD ECC83-Cz / 12AX7 Premium Selected Vacuum Tubes
TAD
$120.30New Gain Matched Trio of Tube Amp Doctor ECC83-Cz Premium Selected Vacuum Tubes 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...NP233-3$120.30 -
New Matched Pair (2) TAD ECC83-Cz / 12AX7 Premium Selected Vacuum Tubes
TAD
$81.18New Gain Matched Pair of Tube Amp Doctor ECC83-Cz Premium Selected Vacuum Tubes 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...NP233-2$81.18 -
New TAD ECC83-Cz / 12AX7 Premium Selected Vacuum Tube
TAD
$39.27New 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...NP233-1$39.27 -
New Matched Quad (4) TAD 7025 / E83CC-Cz / 12AX7 High Grade Vacuum Tubes
TAD
$135.11New Gain Matched Quad of Tube Amp Doctor 7025 / E83CC-Cz (12AX7 / ECC83) Highgrade 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 noise...NP231-4$135.11 -
New Matched Trio (3) TAD 7025 / E83CC-Cz / 12AX7 High Grade Vacuum Tubes
TAD
$102.07New Gain Matched Trio of Tube Amp Doctor 7025 / E83CC-Cz (12AX7 / ECC83) Highgrade 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 noise...NP231-3$102.07 -
New Matched Pair (2) TAD 7025 / E83CC-Cz /12AX7 High Grade Vacuum Tubes
TAD
$69.02New 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...NP231-2$69.02 -
New TAD 7025 / E83CC-Cz / 12AX7 High Grade Vacuum Tube
TAD
$33.55New 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,...NP231-1$33.55 -
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
$14.95New 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 -
New Matched Trio (3) JJ 12AX7 / ECC83 Gold Pins Vacuum Tubes
JJ Electronic
$133.94New 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...NP204-3$133.94 -
New Matched Pair (2) JJ 12AX7 / ECC83 Gold Pins Vacuum Tubes
JJ Electronic
$90.27New 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...NP204-2$90.27 -
New JJ 12AX7 / ECC83 Gold Pins Vacuum Tube
JJ Electronic
$43.55New 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...NP204-1$43.55 -
New Matched Trio (3) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes
JJ Electronic
$110.50New 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...NP202-3$110.50 -
New Matched Pair (2) JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tubes
JJ Electronic
$74.65New 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...NP202-2$74.65 -
New JJ E83CC / 12AX7 A-Frame Grid Short Plate Vacuum Tube
JJ Electronic
$36.20New 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...NP202-1$36.20 -
New Matched Octet (8) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
$133.83New 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...NP201-8$133.83 -
New Matched Septet (7) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
$117.08New 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...NP201-7$117.08 -
New Matched Sextet (6) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
$100.46New 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...NP201-6$100.46 -
New Matched Quintet (5) Psvane Hifi 12AX7 / ECC83 S Vacuum Tubes
Psvane
$83.83New 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...NP201-5$83.83 -
New Matched Quad (4) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
$67.21New 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...NP201-4$67.21 -
New Matched Trio (3) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
$50.58New 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...NP201-3$50.58 -
New Matched Pair (2) Psvane Hifi 12AX7 / ECC83 Vacuum Tubes
Psvane
$33.96New 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...NP201-2$33.96 -
New Psvane Hifi 12AX7 / ECC83 Vacuum Tube
Psvane
$17.33New 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...NP201-1$17.33 -
New Matched Quad (4) JJ 12AX7-MG / ECC83MG Mid Gain Vacuum Tubes
JJ Electronic
$102.61New Gain Matched Quad 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...NP200-4$102.61 -
New Matched Trio (3) JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tubes
JJ Electronic
$77.69New 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...NP200-3$77.69 -
New Matched Pair (2) JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tubes
JJ Electronic
$52.77New 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...NP200-2$52.77 -
New JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tube
JJ Electronic
$25.90New 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...NP200-1$25.90 -
New Matched Pair (2) Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tubes
Telefunken
$127.92New 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...NP180-2$127.92 -
New Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tube
Telefunken
$61.27New 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...NP180-1$61.27 -
New Matched Pair (2) Genalex Gold Lion CV4004 / 12AX7 Vacuum Tubes
Genalex
$121.74New Gain Matched Pair 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...NP197-2$121.74 -
New Genalex Gold Lion CV4004 / 12AX7 Vacuum Tube
Genalex
$58.36New Genalex Gold Lion CV4004 Short Plate Vacuum Tube 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 excellent tube, tends to be...NP197-1$58.36 -
New Matched Quad (4) Electro-Harmonix 7025 (12AX7) Vacuum Tubes
Electro-Harmonix
$109.49New Gain Matched Quad of Electro-Harmonix 7025 (12AX7) Vacuum Tubes Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a...NP195-4$109.49 -
New Matched Trio (3) Electro-Harmonix 7025 (12AX7) Vacuum Tubes
Electro-Harmonix
$82.85New Gain Matched Trio of Electro-Harmonix 7025 (12AX7) Vacuum Tubes Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a...NP195-3$82.85 -
New Matched Pair (2) Electro-Harmonix 7025 (12AX7) Vacuum Tubes
Electro-Harmonix
$56.20New Gain Matched Pair of Electro-Harmonix 7025 (12AX7) Vacuum Tubes Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a...NP195-2$56.20 -
New Electro-Harmonix 7025 (12AX7) Vacuum Tube
Electro-Harmonix
$27.52New Electro-Harmonix 7025 (12AX7) Vacuum Tube Electro-Harmonix has released a low noise, low microphonic version of the 12AX7 that meets all specifications required for the tube to be designated 7025. The original 7025 tube was a 12AX7 that was tested...NP195-1$27.52