How do these tubes sound? Read reviews to learn more. Learn a tone tweak: adjust the gain factor by changing pre-amp tubes (for experienced guitar amp owners). |
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| The Ei ECC83 / 12AX7 is modeled after the famous "flat plate"
Telefunken pre-amp audio tube...more Availability: Out of stock. |
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| The 12AX7-EH tube has a nice balanced sound, a very low noise floor and excellent performance in terms of microphonics...more Availability: Usually ships within 24 hours. |
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| This is the gold pin version of the popular Electro-Harmonix 12AX7-EH. The 12AX7-EH tube has a nice balanced sound, a very low noise floor and excellent performance in terms of microphonics...more Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $5.00. |
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| From our review of this tube: "If you really want NOS (New Old Stock) tubes, this is one of the best buys out there. The Philips tube is well built and should be long lasting... more Availability: Usually ships within 24 hours. |
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| The JAN-Philips 5751 is our first choice for taming high gain guitar amps while vastly improving the clarity, smoothness, and vintage tone! They still have plenty of gain but if you have a high-gain preamp that does not have that classic crunch characteristic, the 5751 tube will do wonders. In hifi preamps and CD players, the JAN-Philips 5751 will lower noise floor and sound smoother and clearer in place of many 12AX7 tubes. Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $10.00. |
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| A premium quality tube that replaces any 12AX7 / ECC83 type. We purchased these tubes on pretense that they were NOS Tesla ECC803S tubes. We discovered that they are in fact relabeled JJ Electronic ECC803S tubes, not Tesla. They are all new production JJ ECC803-S tubes and are priced accordingly. Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $5.00. |
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| The JJ ECC83-S tube has several improvements in its construction from the old ECC83 version... more Availability: Usually ships within 24 hours. |
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| The JJ ECC83S gold pin tube is a premium quality tube that replaces any 12AX7 / ECC83 type. Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $5.00. |
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| This new production 12AX7 / ECC83 tube is New Sensor's reissue of the famous Mullard 12AX7. Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $10.00. |
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| RFT is a German brand. The RFT ECC83 / 12AX7 is a durable tube with very low microphonics. The RFT ECC83 is well known as a fantastic hard rock "crunch" tube in Marshalls, Mesa-Boogies, and similar amps. They are slightly darker sounding than many other 12AX7/ECC83 tubes. Our stock was received in bulk packs so we have packaged these RFT ECC83 tubes in our own white boxes. Availability: Usually ships within 24 hours. |
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| The Chinese 12AX7 tube (made by Shuguang) is popular with Marshall owners for its gain and bite. It is currently re-branded by Penta, Ruby Tubes, Groove Tubes, and many others...more Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $5.00. |
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| The Chinese 12AX7B tube is a good choice for high gain guitar amps. The 12AX7B tube has a little more overdrive than the standard 12AX7A tube and lower noise. Availability: Usually ships within 24 hours. |
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| This is the very rare Siemens E83CC / 12AX7 tube. It's construction is triple mica and O-getter with douple support. The E83CC part number is a designation for premium 12AX7 tubes only. They are also labeled 6057 or 6681. The Siemens E83CC is Very balanced and detailed sounding. An excellent choice for guitar amps and hifi. Availability: Usually ships within 24 hours. |
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| From our review of this tube: "This is an entirely new 12AX7 design from Sovtek and a great step up in sound quality..." more Availability: Usually ships within 24 hours. |
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| This 12AX7 is a dual triode currenty produced in Russia. It is used
by Fender... more Availability: Usually ships within 24 hours. |
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| The 12AX7-WB is favored by Marshall owners for its gainier characteristics and extra "kick" in big power heads. Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $5.00. |
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| The Sovtek 5751 (low gain 12AX7) is an affordable alternative to the 12AY7 used in original Fender tweed amps and can be subbed for a 12AT7 reverb driver tube.more Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $10.00. |
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| The Svetlana 12AX7 tube has everything you want in a good preamp tube. Low noise, no Microphonics issues and very clear and open without being too bright. Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $5.00. |
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| Lots of gain with a rather low noise floor. No Microphonics issues at all. Very good considering the large plate size. Light and shimmering or really aggressive, it's all good. Availability: Usually ships within 24 hours. |
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| From our review of this tube: "There are only so many ways to describe tube tone and most have become cliches. The Tung Sol 12AX7 has the gain and drive of a Chinese 12AX7 and the pure tone of a Mullard or Brimar." According to the manufacturer, this Tungsol 12AX7 is the Ultimate 12AX7. Big, warm, and musical. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. Availability: Usually ships within 24 hours. Quantity pricing: Order 5 tubes and save $5.00. |
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| From our review of this tube: "There are only so many ways to describe tube tone and most have become clichés. The Tung Sol 12AX7 has the gain and drive of a Chinese 12AX7 and the pure tone of a Mullard or Brimar." According to the manufacturer, this Tungsol 12AX7 is the Ultimate 12AX7. Big, warm, and musical. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. Availability: Usually ships within 24 hours. |
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| 12AX7 Tube LinksFor more information on 12AX7 tubes including pinout, ratings, application and possible substitutions visit 12AX7 in Wikipedia, 12AX7 in Duncan Amps, and 12AX7 in The Tube Directory. |
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| Read about our "Matched Sections" service for top performance from your pre-amp. |
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