12AX7 / ECC83 / 7025
About 12AX7
Found in just about all tube guitar amps, 12AX7 is perhaps the most common preamp tube today. We carry over a dozen different hand selected 12AX7 to help you get the right sonic from your gear.
Looking for ECC83, 7025?
12AX7 was also labeled as 12AX7A, ECC83 or 7025. You can use 12AX7 tubes below wherever these types are called for.Not sure which one? Check out our comprehensive 12AX7 Guide.
Fully tested 12AX7
To ensure you get the best, every 12AX7 go through multiple testing before they are shipped. We also have pre-screened triode matched tubes as well as matched pairs in stock, and have listed them below.Further screening
We also offer low noise screening. Please refer to our matching and noise screening options.Quick Lookup : Click to compare prices.
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12AX7EH
12AX7EH is a good all rounder with good amount of gain. Replaces any 12AX7, 7025 or 12AX7A type tubes including HiFi application. In a guitar amp, 12AX7EH amp application with good bite and definition.
For phase inverters, use triode matched.
$11.00
12AX7EH Triode Matched
Price is for a triode matched 12AX7EH. Recommended when replacing phase splitter (inverter).
$13.00
$26.00
12AX7EH Gold
This is a premium version of 12AX7EH. 12AX7EH Gold has gold plated pins for better contact. This is a definite plus for gigging musicians and vintage HiFi amp users alike. 12AX7EH Gold is a quiet, smooth all rounder, excellent for use in both HiFi and guitar amps.
$17.00
12AX7EH Gold Matched Pair
Price is for a matched pair of 12AX7EH Gold tubes.
$38.00
12AX7 TungSol
TungSol 12AX7 is one of the top choices for upgrading stock 12AX7 tubes in both audio and guitar amps. Good sonics with low microphonics in audio application, very well balanced in guitar amps. Replaces any 12AX7, 7025, 12AX7A tubes.
$14.50
$33.00
$16.50
12AX7 Gold Lion
Modeled after legendary B759 which was a special select version of 12AX7, this is the top of the line current production 12AX7/ECC83. Built with superb quality, this tube offers resolution, articulation, and hours of sonic enjoyment.
$43.50
12AX7 Gold Lion Matched Pair
Modeled after legendary B759 which was a special select version of 12AX7, this is the top of the line current production 12AX7/ECC83. Built with superb quality, this tube offers resolution, articulation, and hours of sonic enjoyment. Price is for two matched tubes.
$91.00
12AX7 Gold Lion Triode Matched
Modeled after legendary B759 which was a special select version of 12AX7, this is the top of the line current production 12AX7/ECC83. Built with superb quality, this tube offers resolution, articulation, and hours of sonic enjoyment.
$45.50
12AX7LPS
Sovtek's 12AX7LPS is the best choice for HiFi Audio with excellent sonics. It has a long ribbed plate derived from Siemens design, with a filament that works with both AC and DC supply.
$13.00
$30.00
12AX7LPS Triode Matched
Sovtek's 12AX7LPS is the best choice for HiFi Audio with excellent sonics. It has a long ribbed plate derived from Siemens design, with a filament that works with both AC and DC supply.
$15.00
12AX7 Mullard
Mullard 12AX7 has a long plate construction that gives it fuller low-mids in audio application, as well as good body in guitar amps. An excllent all rounder, Mullard 12AX7 is one of the top choices for upgrading stock 12AX7 tubes.
$16.50
12AX7 Mullard Matched Pair
Price is for a matched pair of Russian reproduciton of Mullard 12AX7.
$37.00
12AX7 Mullard Triode Matched
Mullard 12AX7 has a long plate construction that gives it fuller low-mids in audio application, as well as good body in guitar amps. An excllent all rounder, Mullard 12AX7 is one of the top choices for upgrading stock 12AX7 tubes.
$18.50
12AX7WA
The OEM workhorse tube used by major amp manufacturers, with warm round tone. Very low in microphonics, and is excellent for use in guitar amps. You can hit it with a stick and it'll barely bat an eye. This is very important for combo amps, or for high volume application.
$10.00
12AX7WA Triode Matched
The OEM workhorse tube used by major amp manufacturers, with warm round tone. Very low in microphonics, and is excellent for use in guitar amps. You can hit it with a stick and it'll barely bat an eye. This is very important for combo amps, or for high volume application.
$12.00
$13.00
$15.00
$13.00
12AX7WC Triode Matched
Sovtek 12AX7WC is even higher gain version of Sovtek 12AX7WA/WB.
$15.00
12AX7B Silver Dragon
These are higher gain version of 12AX7C9 with shiny silver anode. It has a bit more bite than C9 in guitar amps.
Please note that recent version of 12AX7B comes with grey coating on anode.
$9.50
12AX7B Silver Dragon Matched Pair
Price is for a matched pair of 12AX7B Silver Doragon. These are higher gain version of 12AX7C9 with shiny silver anode. It has a bit more bite than C9 in guitar amps.
Please note that recent version of 12AX7B comes with grey coating on anode.
$23.00
12AX7B Silver Dragon Triode Matched
These are higher gain version of 12AX7C9 with shiny silver anode. It has a bit more bite than C9 in guitar amps.
Please note that recent version of 12AX7B comes with grey coating on anode.
$11.50
ECC803S JJ
Modeled after Tesla ECC803S, this long plate version of ECC83 delivers warmth and detail. Excellent for audio application.
$14.00
ECC803S JJ Matched Pair
Brand new release from JJ, this is a re-issue of Tesla long plate ECC803S. Price is for a matching pair (2 tubes)
$32.00
ECC803S JJ Gold
Another new release from JJ, this is the gold pin version of long plate ECC803S
$25.50
$55.00
ECC803S TS Gold
This is the gold pin version of standard TungSol 12AX7. Made in Russia.
$24.00
ECC803S TS Gold Matched Pair
Price is for a matched pair of TungSol ECC803S Gold tubes.
$52.00
ECC83S JJ
Derived from rare Telefunken design, it gives out nice, rich harmonics in guitar amps. It also does very well on audiophile or recording application. It's quiet and low in microphonics due to short plate design and thick glass.
$10.00
$24.00
$12.00
ECC83S JJ Gold
TRIODE, DUAL
Newly released from JJ, this is the gold pin version of ECC83S. Very low microphonics and tight tolerances.
$22.00
$48.00
7025WA / 12AX7 TAD
Nickel plated TAD 7025WA has good amounts of gain yet very low in unwanted microphonic noise. Not overly trebly, but smooth when pushed.
This tube is ideal if you play high gain style of music and microphonic is an issue.
$21.00
7025WA / 12AX7 TAD Triode Matched
Nickel plated TAD 7025WA has good amounts of gain yet very low in unwanted microphonic noise. Not overly trebly, but smooth when pushed.
This tube is ideal if you play high gain style of music and microphonic is an issue.
$23.00
NOS OFFERINGS
The following is NOS and vintage tubes in this category. Due to the scarcity of some items, inventory will change constantly, so please check back often. Be sure to check out our NOS terms.The photos of NOS tubes are representative samples and actual NOS tube shipped may vary. "Various" means we have multiple brands in stock.
12AX7WA Sylvania JAN NOS
TRIODE, DUAL
Sylvania made from the 1970's. These are some of the last US made from the wonderful 70's with big, round tone.
12AX7Ei Silver Bullet
Superb sounding 12AX7 with flat plate design. Design closely resembles that of Telefunken ECC83, as Ei built their 12AX7 tubes on Telefunken supplied equipment.
The tubes will be in white boxes. Ei stamped logo may have faded in some cases. Note that the tubes tend to be microphonic, and are not recommended for high gain application.
While supplies last, we only have a very limited number of nickel plated 12AX7 Ei tubes in stock.
$45.00
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