12A - 12Z

New Gain Matched Octet 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...

New Gain Matched Sextet 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...

New Gain Matched Sextet 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...

New 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...

New Gain Matched Octet 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...

New 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...

New 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...

New Gain Matched Sextet of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality...

New Gain Matched Quintet of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality...

New 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...

New 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...

New Gain Matched Octet of JJ 12AY7 / 6072A Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their 12AY7 is an industry favorite, as it provides excellent sonic performance along with...

New Gain Matched Septet of JJ 12AY7 / 6072A Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their 12AY7 is an industry favorite, as it provides excellent sonic performance along...

Gain Matched Octet (8) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite, as it provides...

New Gain Matched Quad of Genalex Gold Lion 12AU7 / ECC82 Gold Pins Vacuum Tubes The original Genalex Gold Lion ECC82 / B749 are one of the most rare 12AU7 types ever made. This tube featured superb linearity and extremely low noise. The reissue Genalex...

New Gain Matched Trio of Genalex Gold Lion 12AU7 / ECC82 Gold Pins Vacuum Tubes The original Genalex Gold Lion ECC82 / B749 are one of the most rare 12AU7 types ever made. This tube featured superb linearity and extremely low noise. The reissue Genalex...

New Gain Matched Quad of Genalex Gold Lion 12AT7 / ECC81 Gold Pins Vacuum Tubes Original Genalex Gold Lion ECC81 / B739 tubes are considered the best 12AT7 types ever made. They are also among the rarest types available, exhibiting a large detailed...

New Gain Matched Trio of Genalex Gold Lion 12AT7 / ECC81 Gold Pins Vacuum Tubes Original Genalex Gold Lion ECC81 / B739 tubes are considered the best 12AT7 types ever made. They are also among the rarest types available, exhibiting a large detailed...

New Gain Matched Octet of Mullard 12AU7 / ECC82 Reissue Vacuum Tubes The Mullard 12AU7 has a warm and detailed sound that is great for McIntosh amplifiers or any Hi-Fi low-noise circuits (and for any amplifier that calls for 12AU7, ECC82, 6189 etc. for...

New Gain Matched Sextet of Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tubes These tubes are high gain, low noise and are VERY warm and detailed. The filaments are almost completely encased within the plates so they don't light up much, but it effectively...

New Gain Matched Quintet of Tung-Sol 12AX7 / ECC803S GOLD PINS Vacuum Tubes These tubes are high gain, low noise and are VERY warm and detailed. The filaments are almost completely encased within the plates so they don't light up much, but it effectively...

New Gain Matched Octet of JJ 5751 Low Gain Vacuum Tubes The JJ 5751 can be used in most 12AX7 circuits to help stave off early break-up. With a lower gain than a standard 12AX7, the 5751 can help reign in a high gain amplifier. Specifically modeled after...

New Gain Matched Sextet of Electro-Harmonix 12AU7 / ECC82 GOLD PINS Vacuum Tubes This is the same tube as the standard Electro-Harmonix 12AU7 with a few big differences. The pins are plated with gold to prevent corrosion and to protect the pins (they...

New Gain Matched Octet of JJ ECC803S Vacuum Tubes The JJ EC803S (Long Plate 12AX7) is a high gain tube. The long plates make for higher gain and a warmer, fuller tone. They also increase the chance of microphonics so these are best used in guitar...

New Gain Matched Octet of Tung-Sol 12AX7 / ECC83 Reissue Vacuum Tubes The Tung-Sol 12AX7 is one of the very best new production 12AX7 models offered. These tubes are high gain, low microphonics and are VERY warm and detailed. You'll get true 3D sound...

New Gain Matched Octet of JJ 12AT7 / ECC81 Vacuum Tubes JJ brings their great quality to their 12AT7 model. These are typically very smooth with ultra-low noise and great mids. These run on the medium side for gain and give an overall well balanced tone...

New Gain Matched Octet of Mullard CV4004 / 12AX7 Out of the two variations of Mullard's 12AX7 model, this tube (CV4004) is particularly great for guitar amplifiers. The CV4004 is the military designation for the 12AX7 and is its...

New Gain Matched Octet of Sovtek 12AX7LPS Vacuum Tubes An overall excellent tube which has become the standard for manufacturers like Fender, Mesa Boogie etc. These have a spiral wound filament like the famous vintage 12AX7A which helps cut down on noise...

New Gain Matched Octet 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 surprisingly low...

New Gain Matched Quad of Genalex Gold Lion 12AX7 / ECC83 / B759 Gold Pin Vacuum Tubes These are so close to the originals we could hardly tell the difference in both appearance and sound. Of course, these are made in Russia and not England like the...