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Groove Tubes GT-12AX7-R2 Preamp Tube - "R2" - Brighter

Groove Tubes GT-12AX7-R2 Preamp Tube - "R2" - Brighter

Guitar Amps - Note: all of the Groove Tubes tubes and sets we carry are "Mediums," or in the 4 to 7 range. Tubes are non-returnable.Groove Tubes has been manufacturing, importing, and grading quality power tubes for two decades. No stranger to...

$19.99

$24.99 $19.99

Sweetwater

Groove Tubes 12AX7 Preamp Tube (Russian)

Groove Tubes 12AX7 Preamp Tube (Russian)

This tube from Russia is slightly brighter and lower gain. It offers quicker compression than GT 12AX7. Great for most Fenders, but may not be well suited for high gain Fender type amps (such as Boogie). ... more

Groove Tubes 12AX7 Preamp Tube (Russian)

This tube from Russia is slightly brighter and lower gain. It offers quicker compression than GT 12AX7. Great for most Fenders, but may not be well suited for high gain Fender type amps (such as Boogie).

(50,000+)

$24.99 $19.99

FREE shipping

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(50,000+)
Behringer MIC100 Tube Ultragain Microphone Preamp

Behringer MIC100 Tube Ultragain Microphone Preamp

The Tube Ultragain Mic100 is a vacuum tube mic/line preamplifier with integrated limiter for studio, live and hard disk recording applications. It features a carefully selected 12AX7 vacuum tube with UTC technology for exceptional warmth and ... ... more

Behringer MIC100 Tube Ultragain Microphone Preamp

The Tube Ultragain Mic100 is a vacuum tube mic/line preamplifier with integrated limiter for studio, live and hard disk recording applications. It features a carefully selected 12AX7 vacuum tube with UTC technology for exceptional warmth and ...

(50,000+)

$59.99 $39.99

FREE shipping

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(50,000+)
Behringer Tube Ultragain MIC200 (Tube Preamp w/Modeling)

Behringer Tube Ultragain MIC200 (Tube Preamp w/Modeling)

Preamps - Tired of stale, brittle, digital-sounding recordings? Warm up your recordings with the Behringer Tube Ultragain MIC200 preamp. The hand-selected 12AX7 tube has great character and low-noise. Phantom power lets you add warmth to your favorite... ... more

Behringer Tube Ultragain MIC200 (Tube Preamp w/Modeling)

Preamps - Tired of stale, brittle, digital-sounding recordings? Warm up your recordings with the Behringer Tube Ultragain MIC200 preamp. The hand-selected 12AX7 tube has great character and low-noise. Phantom power lets you add warmth to your favorite...

(1,000+)

$74.99 $49.99

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(1,000+)
Groove Tubes GT-12AX7-R3 Select Preamp Tube G

Groove Tubes GT-12AX7-R3 Select Preamp Tube G

Groove Tubes GT-12AX7-R3 Select Preamp Tube G ... more

Groove Tubes GT-12AX7-R3 Select Preamp Tube G

Groove Tubes GT-12AX7-R3 Select Preamp Tube G

Amazon.com

$17.94

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electro-harmonix 12AX7 Preamp Tube - 12AX7 Mullard

electro-harmonix 12AX7 Preamp Tube - 12AX7 Mullard

Guitar Amps - NOTE: Tubes are non-returnable.Electro-Harmonix tubes are among the highest quality. Engineered, designed, and manufactured to exacting standards for musicality and overall warmth, you can trust an Electro-Harmonix tube to deliver premium... ... more

electro-harmonix 12AX7 Preamp Tube - 12AX7 Mullard

Guitar Amps - NOTE: Tubes are non-returnable.Electro-Harmonix tubes are among the highest quality. Engineered, designed, and manufactured to exacting standards for musicality and overall warmth, you can trust an Electro-Harmonix tube to deliver premium...

(1,000+)

$27.76 $19.99

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(1,000+)
Groove Tubes GT-12AX7-R2 GT-12AX7-R2 Preamp Tube

Groove Tubes GT-12AX7-R2 GT-12AX7-R2 Preamp Tube

Groove Tubes GT-12AX7-R2 GT-12AX7-R2 Preamp Tube ... more

Groove Tubes GT-12AX7-R2 GT-12AX7-R2 Preamp Tube

Groove Tubes GT-12AX7-R2 GT-12AX7-R2 Preamp Tube

Amazon.com

$17.70

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PreSonus Tube Mic Ch. strip Class A Tube Mic Preamp w/Compression&EQ

PreSonus Tube Mic Ch. strip Class A Tube Mic Preamp w/Compression&EQ

Class A Tube Mic Preamp w/Compression&EQ XMAX(tm) Class A solid-state preamp input stage gives you clean and clear sound,12AX7-driven dual-servo vacuum tube output stage lets you blend in tube saturation to taste,built-in VCA-type compressor and... ... more

PreSonus Tube Mic Ch. strip Class A Tube Mic Preamp w/Compression&EQ

Class A Tube Mic Preamp w/Compression&EQ XMAX(tm) Class A solid-state preamp input stage gives you clean and clear sound,12AX7-driven dual-servo vacuum tube output stage lets you blend in tube saturation to taste,built-in VCA-type compressor and...

Crutchfield

(250,000+)

$299.99

FREE shipping

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Crutchfield

(250,000+)
Groove Tubes GT-12AX7-R2 GT-12AX7-R2 Preamp Tube

Groove Tubes GT-12AX7-R2 GT-12AX7-R2 Preamp Tube

Groove Tubes GT-12AX7-R2 GT-12AX7-R2 Preamp Tube ... more

Groove Tubes GT-12AX7-R2 GT-12AX7-R2 Preamp Tube

Groove Tubes GT-12AX7-R2 GT-12AX7-R2 Preamp Tube

Amazon Marketplace

$15.85

FREE shipping

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Bravo Audio V2 Class a 12au7 Tube Multi-hybrid Headphone Amplifier with Extra Groove Tubes Gt-12au7 Select Preamp Tube G

Bravo Audio V2 Class a 12au7 Tube Multi-hybrid Headphone Amplifier with Extra Groove Tubes Gt-12au7 Select Preamp Tube G

Enjoy the pure, non-fatiguing sound of Class A amplification with the Bravo V2 headphone amplifier! Tube amplifiers have long been a fixture of high end audio setups. Many audiophiles prefer them over "solid state" amplifiers for their distinct "tube... ... more

Bravo Audio V2 Class a 12au7 Tube Multi-hybrid Headphone Amplifier with Extra Groove Tubes Gt-12au7 Select Preamp Tube G

Enjoy the pure, non-fatiguing sound of Class A amplification with the Bravo V2 headphone amplifier! Tube amplifiers have long been a fixture of high end audio setups. Many audiophiles prefer them over "solid state" amplifiers for their distinct "tube...

Amazon Marketplace

$84.95

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Groove Tubes 6L6B Duet (Russian)

Groove Tubes 6L6B Duet (Russian)

The 6L6B is perhaps the most reliable of the currently made types of 6L6s, with slightly less power and a more aggressive edge when pushed into distortion. These are currently used for the GT Fender amp tubes. ... more

Groove Tubes 6L6B Duet (Russian)

The 6L6B is perhaps the most reliable of the currently made types of 6L6s, with slightly less power and a more aggressive edge when pushed into distortion. These are currently used for the GT Fender amp tubes.

(50,000+)

$69.99 $59.99

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(50,000+)
Svetlana 12AX7 Russian Preamp Tube

Svetlana 12AX7 Russian Preamp Tube

This Russian-made 12AX7 preamp tube is brought to you by New Sensor, the company responsible for Sovtek. Svetlana offers a wide selection of tubes for both hi-end audio and guitar amplification. ... more

Svetlana 12AX7 Russian Preamp Tube

This Russian-made 12AX7 preamp tube is brought to you by New Sensor, the company responsible for Sovtek. Svetlana offers a wide selection of tubes for both hi-end audio and guitar amplification.

(50,000+)

$17.00 $12.95

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(50,000+)
Groove Tubes 12AT7 Preamp Tube

Groove Tubes 12AT7 Preamp Tube

The 12AT7 is durable and usually used as a phase splitter or driver tube (part of the power section). It is great for most US made amps, especially Fender. Great for Marshall in the driver stage for a cleaner, brighter tone ... more

Groove Tubes 12AT7 Preamp Tube

The 12AT7 is durable and usually used as a phase splitter or driver tube (part of the power section). It is great for most US made amps, especially Fender. Great for Marshall in the driver stage for a cleaner, brighter tone

(50,000+)

$24.99 $19.99

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(50,000+)
Vox AC15C1 Custom AC15 Tube Combo Amplifier, 15 Watts, with Free Amp Stand and Instrument Cable

Vox AC15C1 Custom AC15 Tube Combo Amplifier, 15 Watts, with Free Amp Stand and Instrument Cable

The AC15C1 combo makes use of 3 x 12AX7 preamp tubes and uses pair of EL84 tubes to drive a single 12-inch Celestion G12M Greenback. All models in the Custom Series offer a switchable 8/16 ohm output jack for powering an external speaker ... ... more

Vox AC15C1 Custom AC15 Tube Combo Amplifier, 15 Watts, with Free Amp Stand and Instrument Cable

The AC15C1 combo makes use of 3 x 12AX7 preamp tubes and uses pair of EL84 tubes to drive a single 12-inch Celestion G12M Greenback. All models in the Custom Series offer a switchable 8/16 ohm output jack for powering an external speaker ...

(50,000+)

$1,003.98 $599.99

FREE shipping

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(50,000+)
Behringer MIC100 Tube Ultragain Microphone Preamp, USED

Behringer MIC100 Tube Ultragain Microphone Preamp, USED

The Tube Ultragain Mic100 is a vacuum tube mic/line preamplifier with integrated limiter for studio, live and hard disk recording applications. It features a carefully selected 12AX7 vacuum tube with UTC technology for exceptional warmth and ... ... more

Behringer MIC100 Tube Ultragain Microphone Preamp, USED

The Tube Ultragain Mic100 is a vacuum tube mic/line preamplifier with integrated limiter for studio, live and hard disk recording applications. It features a carefully selected 12AX7 vacuum tube with UTC technology for exceptional warmth and ...

(50,000+)

$59.99 $35.95

FREE shipping

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(50,000+)
Behringer Tube Ultragain MIC100 (Tube Preamp w/limiter)

Behringer Tube Ultragain MIC100 (Tube Preamp w/limiter)

Preamps - Tired of stale, brittle, digital-sounding recordings? Warm up your recordings with the Behringer Tube Ultragain MIC100 preamp. The hand-selected 12AX7 tube has great character and low-noise. Phantom power lets you add warmth to your favorite... ... more

Behringer Tube Ultragain MIC100 (Tube Preamp w/limiter)

Preamps - Tired of stale, brittle, digital-sounding recordings? Warm up your recordings with the Behringer Tube Ultragain MIC100 preamp. The hand-selected 12AX7 tube has great character and low-noise. Phantom power lets you add warmth to your favorite...

(1,000+)

$59.99 $39.99

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(1,000+)
Groove Tubes GT-12AX7-R GT-12AX7-R Preamp Tube

Groove Tubes GT-12AX7-R GT-12AX7-R Preamp Tube

Groove Tubes GT-12AX7-R GT-12AX7-R Preamp Tube ... more

Groove Tubes GT-12AX7-R GT-12AX7-R Preamp Tube

Groove Tubes GT-12AX7-R GT-12AX7-R Preamp Tube

Amazon.com

$15.60

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Groove Tubes GT-6L6R Power Tubes - Russian Duet - Med

Groove Tubes GT-6L6R Power Tubes - Russian Duet - Med

Guitar Amps - Note: all of the Groove Tubes tubes and sets we carry are "Mediums," or in the 4 to 7 range. Tubes are non-returnable.Groove Tubes has been manufacturing, importing, and grading quality power tubes for two decades. No stranger to... ... more

Groove Tubes GT-6L6R Power Tubes - Russian Duet - Med

Guitar Amps - Note: all of the Groove Tubes tubes and sets we carry are "Mediums," or in the 4 to 7 range. Tubes are non-returnable.Groove Tubes has been manufacturing, importing, and grading quality power tubes for two decades. No stranger to...

(1,000+)

$69.99 $59.99

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(1,000+)
Groove Tubes GT-6550-R Low Sextet Tube Set (6550 R Low Sextet)

Groove Tubes GT-6550-R Low Sextet Tube Set (6550 R Low Sextet)

Guitar Amps - Groove Tubes' GT-6550-R Low Sextet Tube Set will set you right. If you're rocking an SVT or Super Bassman and it's time to change your output tubes, it's recommended to change out all six at once. The GT-6550-R Low Sextet Tube Set is your... ... more

Groove Tubes GT-6550-R Low Sextet Tube Set (6550 R Low Sextet)

Guitar Amps - Groove Tubes' GT-6550-R Low Sextet Tube Set will set you right. If you're rocking an SVT or Super Bassman and it's time to change your output tubes, it's recommended to change out all six at once. The GT-6550-R Low Sextet Tube Set is your...

(1,000+)

$419.99 $359.99

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(1,000+)
Groove Tubes GT-6L6S Power Tubes - Select Quartet - Med

Groove Tubes GT-6L6S Power Tubes - Select Quartet - Med

Guitar Amps - Note: all of the Groove Tubes tubes and sets we carry are "Mediums," or in the 4 to 7 range. Tubes are non-returnable. Groove Tubes has been manufacturing, importing, and grading quality power tubes for two decades. No stranger to... ... more

Groove Tubes GT-6L6S Power Tubes - Select Quartet - Med

Guitar Amps - Note: all of the Groove Tubes tubes and sets we carry are "Mediums," or in the 4 to 7 range. Tubes are non-returnable. Groove Tubes has been manufacturing, importing, and grading quality power tubes for two decades. No stranger to...

(1,000+)

$159.99 $139.99

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(1,000+)
Alesis MicTube Solo (Mono Tube Mic Preamp)

Alesis MicTube Solo (Mono Tube Mic Preamp)

Preamps - The Alesis MicTube Solo mic/instrument preamp features a 12AX7 tube for a vintage tone with a modern, low-noise design. Inputs for mic, line, and instrument sources make this the ideal preamp for smaller studios that need versatility - but... ... more

Alesis MicTube Solo (Mono Tube Mic Preamp)

Preamps - The Alesis MicTube Solo mic/instrument preamp features a 12AX7 tube for a vintage tone with a modern, low-noise design. Inputs for mic, line, and instrument sources make this the ideal preamp for smaller studios that need versatility - but...

(1,000+)

$149.00 $69.00

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(1,000+)
Fender Hot Rod DeVille 212 III Guitar Amp

Fender Hot Rod DeVille 212 III Guitar Amp

The Hot Rod DeVille 212 III is a 60-watt combo with a classic 2x12" speaker configuration borrowed from the legendary Twin Reverb amp, the low-end headroom characteristic of 6L6 tubes, a versatile all-12AX7 tube preamp, an effects loop and ... ... more

Fender Hot Rod DeVille 212 III Guitar Amp

The Hot Rod DeVille 212 III is a 60-watt combo with a classic 2x12" speaker configuration borrowed from the legendary Twin Reverb amp, the low-end headroom characteristic of 6L6 tubes, a versatile all-12AX7 tube preamp, an effects loop and ...

(50,000+)

$729.95

FREE shipping

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(50,000+)
Groove Tubes ST-12AX7-R2 Preamp Tube Silver

Groove Tubes ST-12AX7-R2 Preamp Tube Silver

Groove Tubes ST-12AX7-R2 Preamp Tube Silver ... more

Groove Tubes ST-12AX7-R2 Preamp Tube Silver

Groove Tubes ST-12AX7-R2 Preamp Tube Silver

Amazon Marketplace

$18.21

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Peavey Butcher Guitar Amplifier Head

Peavey Butcher Guitar Amplifier Head

This Peavey guitar amplifier harkens back to the tones of classic rock while offering unique modern features. The Butcher is a two-channel amplifier with five 12AX7 preamp tubes and four EL34 power amp tubes. ... more

Peavey Butcher Guitar Amplifier Head

This Peavey guitar amplifier harkens back to the tones of classic rock while offering unique modern features. The Butcher is a two-channel amplifier with five 12AX7 preamp tubes and four EL34 power amp tubes.

(50,000+)

$1,499.99 $1,199.95

FREE shipping

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(50,000+)
Groove Tubes GT-6L6-GEQ-R2 General Electric Matched Quartet Power Tubes

Groove Tubes GT-6L6-GEQ-R2 General Electric Matched Quartet Power Tubes

These GT-6L6GE power tubes are reissues of some classic tubes, and they feature a majority of USA components made on the original General Electric machines, with the original tools, dies, materials and processing formulas. The GT-6L6GE tubes provide... ... more

Groove Tubes GT-6L6-GEQ-R2 General Electric Matched Quartet Power Tubes

These GT-6L6GE power tubes are reissues of some classic tubes, and they feature a majority of USA components made on the original General Electric machines, with the original tools, dies, materials and processing formulas. The GT-6L6GE tubes provide...

Amazon.com

$120.20

FREE shipping

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Groove Tubes GT-6L6-CHP-R2 Power Tube

Groove Tubes GT-6L6-CHP-R2 Power Tube

The most recent release of a totally redesigned 6L6C featuring addition of pure Nickel carbonized black plate construction, this is the same material used on the classic RCA Black Plate versions of the '50s. Further improvements on the design, include... ... more

Groove Tubes GT-6L6-CHP-R2 Power Tube

The most recent release of a totally redesigned 6L6C featuring addition of pure Nickel carbonized black plate construction, this is the same material used on the classic RCA Black Plate versions of the '50s. Further improvements on the design, include...

Amazon.com

$30.69

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Groove Tubes GT-6L6-SQ R2 Quartet Slovakian Amplifier Tube Set

Groove Tubes GT-6L6-SQ R2 Quartet Slovakian Amplifier Tube Set

Slovakian made with high power and a very aggressive dynamic punchy but sweet tone. New design with more power and heavy duty components. High power type with more highs and lows than other 6L6 types. ... more

Groove Tubes GT-6L6-SQ R2 Quartet Slovakian Amplifier Tube Set

Slovakian made with high power and a very aggressive dynamic punchy but sweet tone. New design with more power and heavy duty components. High power type with more highs and lows than other 6L6 types.

Amazon.com

$43.30

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Groove Tubes GT-E34L-SQ R2 Quartet Matched Amplifier Power Tubes

Groove Tubes GT-E34L-SQ R2 Quartet Matched Amplifier Power Tubes

EXCLUSIVE GT design. The heat wings attached to the plate give our version of the original EL34 15-20 percent more power. Interchanges in any EL34 application and stays tight and robust all the way up to full power. Highly dynamic, big low end and runs... ... more

Groove Tubes GT-E34L-SQ R2 Quartet Matched Amplifier Power Tubes

EXCLUSIVE GT design. The heat wings attached to the plate give our version of the original EL34 15-20 percent more power. Interchanges in any EL34 application and stays tight and robust all the way up to full power. Highly dynamic, big low end and runs...

Amazon.com

$119.45

FREE shipping

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Groove Tubes GT-6550-RQ-R2 Quartet Matched Power Tubes

Groove Tubes GT-6550-RQ-R2 Quartet Matched Power Tubes

Highest power pentode for use in Marshall, Hiwatt, Ampeg SVT, the GT amps and a few other higher powered amps. Also popular for HiFi amps. Newest entry, power and quality should mean long life. Excellent response, yet it's easier to push into... ... more

Groove Tubes GT-6550-RQ-R2 Quartet Matched Power Tubes

Highest power pentode for use in Marshall, Hiwatt, Ampeg SVT, the GT amps and a few other higher powered amps. Also popular for HiFi amps. Newest entry, power and quality should mean long life. Excellent response, yet it's easier to push into...

Amazon.com

$216.52

FREE shipping

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Groove Tubes GT-6V6-CQ R2 Quartet Amplifier Tube Set

Groove Tubes GT-6V6-CQ R2 Quartet Amplifier Tube Set

Classic design and the most affordable choice in the GT 6V6 line. Warm overdrive and soft distortion character. ... more

Groove Tubes GT-6V6-CQ R2 Quartet Amplifier Tube Set

Classic design and the most affordable choice in the GT 6V6 line. Warm overdrive and soft distortion character.

Amazon.com

$75.45

FREE shipping

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Groove Tubes GT-6V6-CD R2 Duet Amplifier Tube Set

Groove Tubes GT-6V6-CD R2 Duet Amplifier Tube Set

Classic design and the most affordable choice in the GT 6V6 line. Warm overdrive and soft distortion character. ... more

Groove Tubes GT-6V6-CD R2 Duet Amplifier Tube Set

Classic design and the most affordable choice in the GT 6V6 line. Warm overdrive and soft distortion character.

Amazon.com

$41.17

FREE shipping

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Groove Tubes GT-KT88-SVD-R2 Duet Power Tubes

Groove Tubes GT-KT88-SVD-R2 Duet Power Tubes

The KT88sv Is the newest version, identical to original Gold Lion specs from the 60's.New exclusive GT design with special "heat wings" attached to plate for more power, longer life, and better tone. Big bottom, very dynamic, most powerful in it's... ... more

Groove Tubes GT-KT88-SVD-R2 Duet Power Tubes

The KT88sv Is the newest version, identical to original Gold Lion specs from the 60's.New exclusive GT design with special "heat wings" attached to plate for more power, longer life, and better tone. Big bottom, very dynamic, most powerful in it's...

Amazon.com

$149.97

FREE shipping

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Groove Tubes GT-EL34-MQ R2 Quartet Matched Power Tubes

Groove Tubes GT-EL34-MQ R2 Quartet Matched Power Tubes

The GT EL34M is based on the original Mullard EL34 of the '60s the stock tube in all early Marshall and Hiwatt amps. Mullard produced it for about 15 years, and this is a faithful reproduction of the classic XF2 dual getter version. It has a big, fat... ... more

Groove Tubes GT-EL34-MQ R2 Quartet Matched Power Tubes

The GT EL34M is based on the original Mullard EL34 of the '60s the stock tube in all early Marshall and Hiwatt amps. Mullard produced it for about 15 years, and this is a faithful reproduction of the classic XF2 dual getter version. It has a big, fat...

Amazon.com

$62.23

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Groove Tubes GT-5881-CQ-R2 Power Tube Quartet

Groove Tubes GT-5881-CQ-R2 Power Tube Quartet

Matched set of 4. Compact small bottle version of the Groove Tubes 6L6C. Inspired by the original Tung-Sol and GE made 5881 JAN spec military design tubes. The compact design changes the resonance and has a better fat and round tone than the 6L6C. It... ... more

Groove Tubes GT-5881-CQ-R2 Power Tube Quartet

Matched set of 4. Compact small bottle version of the Groove Tubes 6L6C. Inspired by the original Tung-Sol and GE made 5881 JAN spec military design tubes. The compact design changes the resonance and has a better fat and round tone than the 6L6C. It...

Amazon.com

$108.24

FREE shipping

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Groove Tubes GT-6550-CD-R2 Duet Power Tubes

Groove Tubes GT-6550-CD-R2 Duet Power Tubes

Hand tested & matched in duets. Improved harmonic balance, no more dead spots. Improves the tone and performance or your amp. Helps you get the sound you want from your amp. ... more

Groove Tubes GT-6550-CD-R2 Duet Power Tubes

Hand tested & matched in duets. Improved harmonic balance, no more dead spots. Improves the tone and performance or your amp. Helps you get the sound you want from your amp.

Amazon.com

$110.16

FREE shipping

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Groove Tubes GT-6L6-RQ-R2 Matched Quartet Power Tubes

Groove Tubes GT-6L6-RQ-R2 Matched Quartet Power Tubes

The most recent release of a totally redesigned 6L6C featuring addition of pure Nickel carbonized black plate construction, this is the same material used on the classic RCA Black Plate versions of the '50s. Further improvements on the design, include... ... more

Groove Tubes GT-6L6-RQ-R2 Matched Quartet Power Tubes

The most recent release of a totally redesigned 6L6C featuring addition of pure Nickel carbonized black plate construction, this is the same material used on the classic RCA Black Plate versions of the '50s. Further improvements on the design, include...

Amazon.com

$108.96

FREE shipping

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Groove Tubes GT-EL84-SD R2 Select Duet Power Tubes

Groove Tubes GT-EL84-SD R2 Select Duet Power Tubes

Once the most common low power pentode power tube, the EL84 was popularized in early Vox AC30 amps. Rediscovered by Matchless amps and now currently used by nearly every tube amp company, this tube design is making a major comeback, and the GT EL84S... ... more

Groove Tubes GT-EL84-SD R2 Select Duet Power Tubes

Once the most common low power pentode power tube, the EL84 was popularized in early Vox AC30 amps. Rediscovered by Matchless amps and now currently used by nearly every tube amp company, this tube design is making a major comeback, and the GT EL84S...

Amazon.com

$48.63

FREE shipping

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Groove Tubes GT-KT88-SVQ-R2 Quartet Power Tubes

Groove Tubes GT-KT88-SVQ-R2 Quartet Power Tubes

The KT88sv Is the newest version, identical to original Gold Lion specs from the 60's.New exclusive GT design with special "heat wings" attached to plate for more power, longer life, and better tone. Big bottom, very dynamic, most powerful in it's... ... more

Groove Tubes GT-KT88-SVQ-R2 Quartet Power Tubes

The KT88sv Is the newest version, identical to original Gold Lion specs from the 60's.New exclusive GT design with special "heat wings" attached to plate for more power, longer life, and better tone. Big bottom, very dynamic, most powerful in it's...

Amazon.com

$288.19

FREE shipping

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Groove Tubes GT-EL84-RQ R2 Russian Quartet Power Tubes

Groove Tubes GT-EL84-RQ R2 Russian Quartet Power Tubes

A low power pentode power tube, the EL84 was popularized in early Vox AC30 amps. Rediscovered by Matchless amps and now currently used by nearly every tube amp company, this tube design is making a major comeback, and the GT EL84R Power Tubes Duet... ... more

Groove Tubes GT-EL84-RQ R2 Russian Quartet Power Tubes

A low power pentode power tube, the EL84 was popularized in early Vox AC30 amps. Rediscovered by Matchless amps and now currently used by nearly every tube amp company, this tube design is making a major comeback, and the GT EL84R Power Tubes Duet...

Amazon.com

$97.09

FREE shipping

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Groove Tubes GT-6L6-RD-R2 Matched Duet Power Tubes

Groove Tubes GT-6L6-RD-R2 Matched Duet Power Tubes

The most recent release of a totally redesigned 6L6C featuring addition of pure Nickel carbonized black plate construction, this is the same material used on the classic RCA Black Plate versions of the '50s. Further improvements on the design, include... ... more

Groove Tubes GT-6L6-RD-R2 Matched Duet Power Tubes

The most recent release of a totally redesigned 6L6C featuring addition of pure Nickel carbonized black plate construction, this is the same material used on the classic RCA Black Plate versions of the '50s. Further improvements on the design, include...

Amazon.com

$57.77

FREE shipping

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Groove Tubes GT-6550-CQ-R2 Quartet Power Tubes

Groove Tubes GT-6550-CQ-R2 Quartet Power Tubes

Hand tested & matched in duets. Improved harmonic balance, no more dead spots. Improves the tone and performance or your amp. Helps you get the sound you want from your amp. ... more

Groove Tubes GT-6550-CQ-R2 Quartet Power Tubes

Hand tested & matched in duets. Improved harmonic balance, no more dead spots. Improves the tone and performance or your amp. Helps you get the sound you want from your amp.

Amazon.com

$221.87

FREE shipping

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