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 Quad (4) JJ 12AX7-MG / ECC83MG Mid Gain Vacuum Tubes
JJ Electronic
$107.00New 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$107.00 -
New Matched Trio (3) JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tubes
JJ Electronic
$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...NP200-3$81.06 -
New Matched Pair (2) JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tubes
JJ Electronic
$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...NP200-2$55.13 -
New JJ 12AX7-MG / ECC83-MG Mid Gain Vacuum Tube
JJ Electronic
$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...NP200-1$27.09 -
New Matched Octet (8) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes
Telefunken
$693.22New Factory Matched Octet 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...NP180-8$693.22 -
New Matched Septet (7) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes
Telefunken
$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...NP180-7$607.05 -
New Matched Sextet (6) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes
Telefunken
$520.32New Factory Matched Sextet 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...NP180-6$520.32 -
New Matched Trio (3) Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tubes
Telefunken
$261.79New Factory Matched Trio 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...NP180-3$261.79 -
New Matched Quad (4) Telefunken 12AX7 / ECC83-TK Gold Pins Vacuum Tubes
Telefunken
$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...NP180-4$347.97 -
New Matched Pair (2) Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tubes
Telefunken
$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...NP180-2$175.61 -
New Telefunken Black Diamond 12AX7 / ECC83-TK Gold Pins Vacuum Tube
Telefunken
$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...NP180-1$83.65 -
New Matched Septet (7) Mullard Reissue 12AX7 Vacuum Tubes
Mullard
Now: $123.58Was: $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: $123.58Was: $164.77 -
New Matched Quad (4) Genalex Gold Lion CV4004 / 12AX7 Vacuum Tubes
Genalex
$250.54New Gain Matched Quad 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...NP197-4$250.54 -
New Matched Pair (2) Genalex Gold Lion CV4004 / 12AX7 Vacuum Tubes
Genalex
$126.90New 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$126.90 -
New Genalex Gold Lion CV4004 / 12AX7 Vacuum Tube
Genalex
$60.78New 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$60.78 -
New Matched Quad (4) Electro-Harmonix 7025 (12AX7) Vacuum Tubes
Electro-Harmonix
Now: $88.78Was: $98.64New 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...NP195-4Now: $88.78Was: $98.64 -
New Matched Pair (2) Electro-Harmonix 7025 (12AX7) Vacuum Tubes
Electro-Harmonix
Now: $45.61Was: $50.68New 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...NP195-2Now: $45.61Was: $50.68 -
New Electro-Harmonix 7025 (12AX7) Vacuum Tube
Electro-Harmonix
Now: $22.36Was: $24.84New 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...NP195-1Now: $22.36Was: $24.84 -
New Matched Octet (8) Psvane 12AX7-S Art Series Gold Pins / ECC83 Vacuum Tubes
Psvane
$350.21New Gain Matched Octet of Psvane 12AX7-S Art Series Gold Pins Vacuum Tubes The Psvane 12AX7-S is part of their new Art Series from Psvane. The much loved 12AX7-T MKII has been upgraded with better materials to improve the sound. You can expect a very...NP182-8$350.21 -
New Matched Septet (7) Psvane 12AX7-S Art Series Gold Pins / ECC83 Vacuum Tubes
Psvane
$306.36New Gain Matched Septet of Psvane 12AX7-S Art Series Gold Pins Vacuum Tubes The Psvane 12AX7-S is part of their new Art Series from Psvane. The much loved 12AX7-T MKII has been upgraded with better materials to improve the sound. You can expect a very...NP182-7$306.36 -
New Matched Sextet (6) Psvane 12AX7-S Art Series Gold Pins / ECC83 Vacuum Tubes
Psvane
$263.06New Gain Matched Sextet of Psvane 12AX7-S Art Series Gold Pins Vacuum Tubes The Psvane 12AX7-S is part of their new Art Series from Psvane. The much loved 12AX7-T MKII has been upgraded with better materials to improve the sound. You can expect a very...NP182-6$263.06 -
New Matched Quintet (5) Psvane 12AX7-S Art Series Gold Pins / ECC83 Vacuum Tubes
Psvane
$219.76New Gain Matched Quintet of Psvane 12AX7-S Art Series Gold Pins Vacuum Tubes The Psvane 12AX7-S is part of their new Art Series from Psvane. The much loved 12AX7-T MKII has been upgraded with better materials to improve the sound. You can expect a very...NP182-5$219.76 -
New Matched Quad (4) Psvane 12AX7-S Art Series Gold Pins / ECC83 Vacuum Tubes
Psvane
$176.46New Gain Matched Quad of Psvane 12AX7-S Art Series Gold Pins Vacuum Tubes The Psvane 12AX7-S is part of their new Art Series from Psvane. The much loved 12AX7-T MKII has been upgraded with better materials to improve the sound. You can expect a very...NP182-4$176.46 -
New Matched Trio (3) Psvane 12AX7-S Art Series Gold Pins / ECC83 Vacuum Tubes
Psvane
$133.16New Gain Matched Trio of Psvane 12AX7-S Art Series Gold Pins Vacuum Tubes The Psvane 12AX7-S is part of their new Art Series from Psvane. The much loved 12AX7-T MKII has been upgraded with better materials to improve the sound. You can expect a...NP182-3$133.16 -
New Matched Pair (2) Psvane 12AX7-S Art Series Gold Pins / ECC83 Vacuum Tubes
Psvane
$89.86New Gain Matched Pair of Psvane 12AX7-S Art Series Gold Pins Vacuum Tubes The Psvane 12AX7-S is part of their new Art Series from Psvane. The much loved 12AX7-T MKII has been upgraded with better materials to improve the sound. You can expect a very...NP182-2$89.86 -
New Psvane 12AX7-S Art Series Gold Pins / ECC83 Vacuum Tube
Psvane
$43.39New Gain Tested Psvane 12AX7-S Art Series Gold Pins Vacuum Tube The Psvane 12AX7-S is part of their new Art Series from Psvane. The much loved 12AX7-T MKII has been upgraded with better materials to improve the sound. You can expect a very rich, detailed...NP182-1$43.39 -
New Sprague Atom 100uF 100V Electrolytic Capacitor 20% 100 uF @ 100 VDC TVA-1349
Sprague
$7.89The Sprague Atom Electrolytic capacitor series is legendary and has been around for more than 50 years and itÂ’s no wonder why. These caps are known for their tight tolerances, reliability and excellent tone. These have been the go-to choice for amp techs...PTNP021-1$7.89 -
New Matched Quad (4) Tung-Sol 5751 Gold Pins Vacuum Tubes
Tung-Sol
Now: $169.29Was: $188.10New Gain Matched Quad of Tung-Sol Reissue 5751 Gold Pins Vacuum Tubes Being modeled after the original quality of vintage Tung-Sol tubes, the 5751 offers great reliability. The 5751 is a great drop-in replacement of any 12AX7, offering about 30% less...NP139-4Now: $169.29Was: $188.10 -
New Matched Trio (3) Tung-Sol 5751 Gold Pins Vacuum Tubes
Tung-Sol
Now: $127.70Was: $141.89New Gain Matched Trio of Tung-Sol Reissue 5751 Gold Pins Vacuum Tubes Being modeled after the original quality of vintage Tung-Sol tubes, the 5751 offers great reliability. The 5751 is a great drop-in replacement of any 12AX7, offering about 30% less...NP139-3Now: $127.70Was: $141.89 -
New Matched Pair (2) Tung-Sol 5751 Gold Pins Vacuum Tubes
Tung-Sol
Now: $86.11Was: $95.68New Gain Matched Pair of Tung-Sol Reissue 5751 Gold Pins Vacuum Tubes Being modeled after the original quality of vintage Tung-Sol tubes, the 5751 offers great reliability. The 5751 is a great drop-in replacement of any 12AX7, offering about 30% less...NP139-2Now: $86.11Was: $95.68 -
New Tung-Sol 5751 Gold Pins Vacuum Tube
Tung-Sol
Now: $41.52Was: $46.13New Gain Tested Tung-Sol Reissue 5751 Gold Pins Vacuum Tube Being modeled after the original quality of vintage Tung-Sol tubes, the 5751 offers great reliability. The 5751 is a great drop-in replacement of any 12AX7, offering about 30% less gain than...NP139-1Now: $41.52Was: $46.13 -
New Matched Quad (4) Tung-Sol 5751 Vacuum Tubes
Tung-Sol
Now: $148.51Was: $165.01New Gain Matched Quad of Tung-Sol Reissue 5751 Vacuum Tubes Being modeled after the original quality of vintage Tung-Sol tubes, the 5751 offers great reliability. The 5751 is a great drop-in replacement of any 12AX7, offering about 30% less gain than...NP138-4Now: $148.51Was: $165.01 -
New Tung-Sol 5751 Vacuum Tube
Tung-Sol
Now: $36.64Was: $40.71New Gain Tested Tung-Sol Reissue 5751 Vacuum Tube Being modeled after the original quality of vintage Tung-Sol tubes, the 5751 offers great reliability. The 5751 is a great drop-in replacement of any 12AX7, offering about 30% less gain than their 12AX7...NP138-1Now: $36.64Was: $40.71 -
New Matched Quad (4) Sovtek 12AX7WC / 7025 Vacuum Tubes
Sovtek
$115.97New Gain Matched Quad of Sovtek 12AX7WC / 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 audiophile or musician. The...NP122-4$115.97 -
New Matched Trio (3) Sovtek 12AX7WC / 7025 Vacuum Tubes
Sovtek
$87.79New Gain Matched Trio of Sovtek 12AX7WC / 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 audiophile or musician. The...NP122-3$87.79 -
New Matched Pair (2) Sovtek 12AX7WC / 7025 Vacuum Tubes
Sovtek
$59.61New Gain Matched Pair of Sovtek 12AX7WC / 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 audiophile or musician. The...NP122-2$59.61 -
New Sovtek 12AX7WC / 7025 Vacuum Tube
Sovtek
$29.20New Gain Tested Sovtek 12AX7WC / 7025 / ECC83 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 audiophile or musician. The...NP122-1$29.20 -
New Matched Quad (4) Sovtek 12AX7WB / 7025 Vacuum Tubes
Sovtek
$128.00New Gain Matched Quad of Sovtek 12AX7WB / 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 audiophile or musician. The...NP121-4$128.00 -
New Matched Trio (3) Sovtek 12AX7WB / 7025 Vacuum Tubes
Sovtek
$96.81New Gain Matched Trio of Sovtek 12AX7WB / 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 audiophile or musician. The...NP121-3$96.81 -
New Matched Pair (2) Sovtek 12AX7WB / 7025 Vacuum Tubes
Sovtek
$65.63New Gain Matched Pair of Sovtek 12AX7WB / 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 audiophile or musician. The...NP121-2$65.63