Vacuum Tubes

Rediscover the classic tone of the Shuguang 12AX7B vacuum tube. Crafted with meticulous attention to detail, these 9-pin dual triodes embody the essence of classic tube amplification while offering modern performance and reliability. The Shuguang 12AX7B is a favorite for high gain amplifiers but works just as well in clean settings. Renowned for its versatility and sonic clarity, the 12AX7B breathes life into your amplifier, delivering rich harmonics and a smooth, balanced sound that enhances every note you play. From clean, pristine tones to gritty overdrive, these tubes provide the dynamic range and responsiveness that discerning musicians demand. Built to last and engineered for consistent performance, the Shuguang 12AX7B tube ensures reliable operation even in the most demanding environments. Whether you're recording in the studio or commanding the stage, these triple mica tubes deliver exceptional tone and stability every time.

The Shuguang 12AT7 vacuum tube brings vintage tone and exceptional performance to any amplifier. From rich harmonics to smooth articulation, these 9-pin dual triode tubes deliver versatility and expressiveness for any musical style. The Shuguang 12AT7 is a great choice for reverb driver circuits in tube amps. Renowned for its balanced tonal response and dynamic range, the 12AT7 breathes life into your amplifier, delivering rich harmonics and smooth articulation across the frequency spectrum. From lush cleans to creamy overdrive, these tubes provide the versatility and expressiveness to suit any musical style. Built to exacting standards and engineered for reliability, the Shuguang 12AT7 ensures consistent performance even under the most demanding conditions. Whether you're tracking in the studio or performing on stage, you can trust these tubes to deliver exceptional tone and stability every time.

The Shuguang 12AU7 vacuum tube is meticulously crafted to bring your sound to life. Renowned for its balanced tonal response and exceptional reliability, this 9-pin dual triode is a favorite among musicians and audiophiles seeking premium performance. The Shuguang 12AU7 is a great choice for driver stages in tube amps. With its smooth, detailed sound and ample headroom, the 12AU7 enhances the sonic landscape of any amplifier or audio system. From pristine cleans to velvety overdrive, these tubes deliver a dynamic range that captivates listeners and inspires performers. Crafted with precision engineering and built to exacting standards, the Shuguang 12AU7 ensures consistent performance even under the most demanding conditions. Whether you're recording in the studio or enjoying your favorite vinyl at home, you can trust these tubes to deliver unparalleled sound quality and reliability.

The new Tube Amp Doctor premium selected 12AX7 /ECC83-WA is a low-noise and low microphonic version of the 12AX7. The ECC83-WA Premium Selected has a balanced tone with a notable emphasis of the mids. The overall linear sound offers great string attack and chord separation. The low end is well defined. The result is a tone that works well in both modern amps but also vintage guitar amplifiers. If the ECC83-WA is used in hi-fi audio amplifiers, the tube adds a musical clarity and presence to the signal. The new TAD™ ECC83-WA is a miniature, high-mu twin triode, selected and recommended for guitar amps to improve overall responsiveness and dynamics. Great for guitar clean tones with a distinct pick attack and pronounced upper mids to cut through every mix. Crunchy tones still feature a very good string separation which is also ideal for fully saturated sounds and modern amplifiers with a tight bass response.

Heather-cathode type high-mu twin triode of miniature construction designed for use as a resistance-coupled voltage amplifier or phase inverter and blocking oscillator.

The JJ Electronic 6SN7 is the classic double triode with a rugged construction the offers the high reliability that JJ is known for. The JJ 6SN7 features the outstanding linearity and sound of the original tubes. This tube is an excellent replacement for Hi-Fi amplifiers and preamps and will replace any 6SN7, 6SN7GTA, 6SN7GTB, or 6SN7GT.

The JJ Electronic ECC99 is a noval based dual triode. This tube features a rugged construction and is also available with gold pins. The ECC99 is typically used as a driver for power triodes in 2A3 and 300B amplifiers but can also be used as a power tube in small amps and headphone amps. This tube can also be a functional replacement for 5687, E182CC, 6840, and 6BL7 tubes. Note: Sockets on some of these types could have a different set-up.

Combines a high mu triode and two independent diode units in the 7-pin miniature construction. It permits a single tube to function as detector, AVC rectifier, and audio amplifier.

Tung Sol 5751 dual triode preamp tube. Made in Russia. NOS specs call the 5751 a “special 12AX7” having a high-mu amplification factor of 70.

Miniature high-mu twin triode each section of which has an individual cathode connection. The tube is especially suited for use as a grounded-grid amplifier or as a frequency converter at frequencies below approximately 300 megacycles.

The all-new designed TAD 12AX7 / ECC83 Redbase is a miniature, high-mu twin triode with very good gain. These tubes are selected and recommended for guitar amps to improve overall responsiveness and dynamics. Because of its cathode-to-heater voltage-withstand capability, this tube works perfectly as a cathode follower. Best for thick, clean tones as well as for those modern preamps where a deep low end is required as well as for sounds requiring fat midrange, detailed airy top end and lots of power from the preamp. Recommended for all positions in medium gain amps or for V2+ positions in high-gain amps. For V1 in general but especially for high-gain amps or phono/audio-amps, we recommend the new 7025 / E83CC Redbase Highgrade T-7025-RB-TAD.

In the 12DW7/ECC832, Section 1 of the tube (pins 6, 7, and 8) is the high gain 12AX7/ECC83 spec (gain factor 100) and Section 2 (pins 1, 2, and 3) is the low gain 12AU7/ECC82 spec (gain factor 17).

The Tube Amp Doctor EF86 / 6267 is a low noise and low microphonic version of the vintage pentode. These tubes were famously used in classic HiFi equipment and microphone preamps. The original Vox® AC15 circuit also used an EF86 and now, thanks to its recent availability, there are plenty of options for guitar amplifiers utilizing this unique tube. The TAD EF86 / 6267 meets all of the standards of the Tube Amp Doctor Premium Selection process. This tube has a rugged construction featuring an aesthetically pleasing perforated shield. The TAD EF86 / 6267 will work in and EF86 or 6267 position.

Superior medium-mu twin triode driver tube for hifi use. 3.5 watts dissipation per plate. New design of excellent quality

Miniature high-mu twin triode each section of which has an individual cathode connection - especially suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, and industrial-control circuits.

Electro-Harmonix 6CG7 dual triode preamp tube. Made in Russia.

Miniature, medium-mu, twin triode primarily designed for service in computer applications. Each triode section features a high zero-bias plate current, a sharp-cutoff characteristic, and a separate cathode connection.

The Perfect Choice for Stereo Audio Applications - Ideal as a Balanced Driver. Latest revision providing great musical performance and rich tone. This TAD 12AU7A / ECC82 has especially strong systems which are selected to provide two symmetric triodes. The perfect choice for stereo audio applications and ideal as a balanced driver.

Miniature twin double-plate triode with each section having a grid and two plates brought out to separate base pins.

Alternative to the 12AX7 or ECC83. The JJ Electronic E83CC is a high quality dual triode that rivals the NOS version of this tube. The E83CC was originally designed as an audio specific dual triode with very low noise and microphonics. The JJ E83CC stays true to the original design with the signature thick frame grid and boxed plate. The rigid frame allows for tighter tolerances and closer construction which results in lower noise and increased stability. The JJ Electronic E83CC is a great choice for high fidelity amplifiers as well as guitar amps and studio equipment. The E83CC has the same pinout and amplification factor as a standard 12AX7 and can be used in any 12AX7 or ECC83 position. Guitarist Description: This frame grid tube has an incredibly rich yet balanced tone. The E83CC works well for clean sounds but also breaks up with a satisfying warmth and plenty of articulation.

The JJ Electronic 12AX7 / ECC83 has quickly become a modern classic in preamp tubes. Its rugged design and rich harmonics make this tube an obvious choice for musicians who need a reliable and high quality tube at a reasonable price. The balanced tone of the JJ 12AX7 works well in any amp.

Electro-Harmonix 12AT7WC dual triode preamp tube. Made in Russia. “Xtra Low Microphonic”. Small plate format dual triode, with low microphonics and superior dissipation compared to NOS originals. Ideal for reverb circuits.

The impossible search for tubes to use in your high end studio equipment is over. JJ Electronic has spared no effort in creating a tube that meets the quality demands of working studios with the JJ 6386-LGP. This solidly constructed tube features gold pins.

Russian Tung-Sol 6EU7 tube. High-Mu twin triode with 9 pin miniature base. Made in Russia.