Tubes for the Gibson Duo Medalist

Tubes for the Gibson Duo Medalist

The Gibson Duo Medalist amplifier requires the following components:

× 2
12AU7
12AU7
Vacuum Tube - 12AU7 / ECC82, JJ Electronics - Regular
Vacuum Tube - 12AU7 / ECC82, JJ Electronics - Gold
Vacuum Tube - ECC802 / 12AU7, JJ Electronics, Long Plate - Regular
Vacuum Tube - ECC802 / 12AU7, JJ Electronics, Long Plate - Gold
Vacuum Tube - 12AU7A / ECC82, Electro-Harmonix - Gold
Vacuum Tube - 12AU7A / ECC82, Electro-Harmonix
Vacuum Tube - 12AU7A / ECC82, Triode, Dual, Medium MU
Vacuum Tube - 12AU7A / ECC82, Tube Amp Doctor, Premium Selected
Vacuum Tube - 12AU7 / 6189, Tung-Sol Reissue
Vacuum Tube - 12AU7 / B749, Genalex Gold Lion, Gold Pin
Vacuum Tube - ECC82 / 12AU7, Classic Series, Psvane
Please make a selection above.

A medium gain dual triode built with the quality and reliability that we’ve come to expect from a JJ tube. This 12AU7 offers smooth tones and clear definition which is why it’s no surprise that this tube is often found in hifi equipment as well as guitar amplifiers.

A medium gain dual triode built with the quality and reliability that we’ve come to expect from a JJ tube. This 12AU7 offers smooth tones and clear definition which is why it’s no surprise that this tube is often found in hifi equipment as well as guitar amplifiers.

A high performance, long plate version of the ECC82 / 12AU7. Like all JJ preamp tubes, these are built into a rugged package using the spiral filament and robust plate structure resulting in low microphonics and high reliability. The long plate version of this tube differs from the standard version with its stronger and fuller sound which offers a wider and more balanced frequency response.

A high performance, long plate version of the ECC82 / 12AU7. Like all JJ preamp tubes, these are built into a rugged package using the spiral filament and robust plate structure resulting in low microphonics and high reliability. The long plate version of this tube differs from the standard version with its stronger and fuller sound which offers a wider and more balanced frequency response.

Superior medium-Mu Twin Triode for use in preamplifier and driver circuits. Standard replacement for all circuits requiring 12AU7/ECC82 types.

Superior medium-Mu Twin Triode for use in preamplifier and driver circuits. Standard replacement for all circuits requiring 12AU7/ECC82 types.

Medium-mu twin triode intended for service in radio and television receivers or in audio amplifiers. The tube is suitable for use in a variety of stages, such as general-purpose amplifier, phase inverter, oscillator, or multivibrator.

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.

Tung Sol 12AU7W / 6189 dual triode preamp tube. Made in Russia.

Genalex Gold Lion ECC82/B749 (12AU7) dual triode preamp tube with gold pins. Made in Russia. The original Genalex Gold Lion ECC82/B749 is one of the most rare 12AU7 types ever made. This tube featured superb linearity, balanced sections, and extremely low noise. The reissue Genalex Gold Lion ECC82/B749 features gold plated pins and has been carefully engineered to recreate all of the attributes of the original. This tube is a premium replacement for all 12AU7, ECC82, 5814, and 6189 types.

The Psvane ECC82 is a high quality, medium gain, dual triode. This tube has a noval base and is noted for its rich and dynamic sound. The Psvane ECC82 works well in any ECC82 / 12AU7 position. The Psvane Classic Series is focused on the reproduction of popular vacuum tubes found in classic audio equipment. When designing the Classic Series, Psvane collected the most sought-after NOS tubes and analyzed each element of their construction, incorporating the most effective manufacturing techniques to produce stable tubes with excellent sound. Whether used in guitar amplifiers or hifi stereo systems, the Psvane Classic Series vacuum tubes excel in all applications. Psvane has been producing high quality vacuum tubes since 2011. The Psvane team originally formed in Shuguang’s high-end tube division but eventually split off to form their own brand.

$19.85 × 2
$30.95 × 2
$22.95 × 2
$37.65 × 2
$36.10 × 2
$21.65 × 2
$22.90 × 2
$24.30 × 2
$26.80 × 2
$62.35 × 2
$17.95 × 2
× 1
12AX7
12AX7
Vacuum Tube - 12AX7, Tung-Sol Reissue - Regular
Vacuum Tube - 12AX7, Tung-Sol Reissue - Gold
Vacuum Tube - 12AX7 / ECC83, JJ Electronics - Regular
Vacuum Tube - 12AX7 / ECC83, JJ Electronics - Gold
Vacuum Tube - ECC803 / 12AX7, JJ Electronics, Long Plate - Regular
Vacuum Tube - ECC803 / 12AX7, JJ Electronics, Long Plate - Gold
Vacuum Tube - 12AX7-A, Triode, Dual, High MU
Vacuum Tube - 12AX7 / ECC83, Mullard Reissue
Vacuum Tube - 12AX7 / ECC83, Electro-Harmonix
Vacuum Tube - 12AX7LPS, Sovtek
Vacuum Tube - 12AX7WA, Sovtek
Vacuum Tube - 12AX7WB, Sovtek
Vacuum Tube - 5751, Triode, Dual, HI-MU
Vacuum Tube - 5751, JJ Electronics
Vacuum Tube - 12AX7S, JJ Electronics, Mid Gain
Vacuum Tube - 12AX7WC, Sovtek
Vacuum Tube - 5751, Tung-Sol Reissue
Vacuum Tube - 12AX7 / B759, Genalex Gold Lion
Vacuum Tube - ECC83 / 12AX7, Classic Series, Psvane
Please make a selection above.

Russian made reissue of the original Tungsol. The Ultimate 12AX7. Big, warm, and musical. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. Available with gold pins.

Russian made reissue of the original Tungsol. The Ultimate 12AX7. Big, warm, and musical. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. Available with gold pins.

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.

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.

A high performance, long plate version of the ECC83 / 12AX7. Like all JJ preamp tubes, these are built into a rugged package using the spiral filament and robust plate structure resulting in low microphonics and high reliability. The long plate version of this tube differs from the standard version with its stronger and fuller sound. This tube will work in any 12AX7 or ECC83 position.

A high performance, long plate version of the ECC83 / 12AX7. Like all JJ preamp tubes, these are built into a rugged package using the spiral filament and robust plate structure resulting in low microphonics and high reliability. The long plate version of this tube differs from the standard version with its stronger and fuller sound. This tube will work in any 12AX7 or ECC83 position.

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.

Russian-made Mullard Reissue 12AX7 dual triode. Large sound stage with excellent detail. Factory selected for low noise and microphonics. Great for hi-fi amps.

This Russian tube is full bodied and bright with a more straightforward presentation. It packs a lot of bite with its higher-than-normal gain. In overdrive, it offers a lot of crunchy fizz. High gain preamplifier tube with ultra low noise and detailed, musical tone. Unique spiral filament eliminates filament to cathode induced hum common on amplifiers that use AC on the filaments.

9 pin miniature preamp tube (Amplification Factor = 100). This Russian tube is full bodied and well balanced. It has a high gain with a very smooth presentation. In overdrive, it is not quite as defined as the 12AX7-S-JJ, but it offers more crunchy fizz.

9 pin miniature preamp tube (Amplification Factor = 100). This Russian tube has strong lows and bright highs. Its lows demand attention when playing full bar chords. In overdrive, it offers a lot of crunchy fizz.

Sovtek 12AX7WB dual triode.

Miniature high-mu twin triode each section of which as an individual cathode connection suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, andindustrial-control circuits where high voltage gain is desired.

A dual triode that can be used in place of most 12AX7 circuits. The rugged build of this tube and reduced gain (30% less than a 12AX7) can improve headroom and give better control in high gain stages allowing users to more easily dial in sweet spots. The JJ 5751 features a smooth and balanced tone and a detailed response with low noise and low microphonics.

A new take on the classic 12AX7 preamp tube. While it uses the same rugged build and thick glass as other JJ preamp tubes, this tube differs in construction from the typical 12AX7 in that it features a medium-long plate, which provides a dynamic and open sound with a rich forward sounding mid range. This tube offers low noise and low microphonics.

Sovtek 12AX7WC dual triode preamp tube. Made in Russia.

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.

Genalex Gold Lion ECC83/B759 (12AX7) dual triode preamp tube with gold pins. Original Genalex Gold Lion ECC83/B759 tubes are considered among the best 12AX7 types ever made. They are hard to find and when they are available, they are expensive. They exhibit a large detailed soundstage that is sought after by discerning audiophiles who demand the highest quality sound. The reissue Genalex Gold Lion ECC83/B759 recreates the sound signature of the original. This tube features balanced sections and gold plated pins.

The Psvane ECC83 is a high quality, high gain, dual triode. This tube has a noval base and is praised for its warm and complex sound. The Psvane ECC83 works well in any ECC83 / 12AX7 position. The Psvane Classic Series is focused on the reproduction of popular vacuum tubes found in classic audio equipment. When designing the Classic Series, Psvane collected the most sought-after NOS tubes and analyzed each element of their construction, incorporating the most effective manufacturing techniques to produce stable tubes with excellent sound. Whether used in guitar amplifiers or hifi stereo systems, the Psvane Classic Series vacuum tubes excel in all applications. Psvane has been producing high quality vacuum tubes since 2011. The Psvane team originally formed in Shuguang’s high-end tube division but eventually split off to form their own brand.

$25.35 × 1
$41.70 × 1
$18.95 × 1
$34.95 × 1
$22.95 × 1
$37.95 × 1
$59.95 × 1
$27.40 × 1
$24.45 × 1
$27.75 × 1
$23.30 × 1
$31.45 × 1
$49.95 × 1
$19.95 × 1
$20.60 × 1
$28.40 × 1
$40.75 × 1
$62.35 × 1
$17.35 × 1
× 3
6EU7
6EU7
Vacuum Tube - 6EU7, Dual Triode, High MU
Vacuum Tube - 6EU7, Tung-Sol Reissue
Please make a selection above.

Miniature, high-mu, twin triode primarily designed for use in low-level stages of high-gain audio frequency amplifiers.

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

$34.90 × 3
$37.60 × 3
× 2
7591
7591
Vacuum Tube - 7591, JJ Electronics - Apex Matched Pair
Vacuum Tube - 7591, JJ Electronics
Vacuum Tube - 7591A, Beam Power Amplifier
Vacuum Tube - 7591A, Tung-Sol Reissue
Please make a selection above.

The JJ Electronic 7591 is a reliable and accurate reproduction of the classic tube. This 19 Watt pentode has been used in a variety of amplifiers including Hi-Fi amps and Ampegs. The JJ 7591 is a great replacement for any 7591 tube position.

The JJ Electronic 7591 is a reliable and accurate reproduction of the classic tube. This 19 Watt pentode has been used in a variety of amplifiers including Hi-Fi amps and Ampegs. The JJ 7591 is a great replacement for any 7591 tube position.

Glass octal beam power pentode designed for use as an audio frequency power output tube. The tube has a high power sensitivity and high efficiency and is especially designed for applications where high power output is required.

Tung Sol 7591A beam-power tube. Made in Russia.

$52.90 × 1
$24.95 × 2
$99.90 × 2
$51.25 × 2
Total price for all components:
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Currently selected components:
12AU7:Not selected
12AX7:Not selected
6EU7:Not selected
7591:Not selected