Classically designed with warm overdrive and soft distortion character.

Classically designed with warm overdrive and soft distortion character.

Classically designed with warm overdrive and soft distortion character.

The choice of most all smaller powered Fender amps and other similar low powered amps (about 15 watts per tube). Warm, round, easily overdriven. Great for recording or practice.

The choice of most all smaller powered Fender amps and other similar low powered amps (about 15 watts per tube). Warm, round, easily overdriven. Great for recording or practice.

The choice of most all smaller powered Fender amps and other similar low powered amps (about 15 watts per tube). Warm, round, easily overdriven. Great for recording or practice.

Highest output 6V6. This tube has more of the character of a 6L6 than 6V6 in many amps. These handle plate voltages in excess of 475 plate volts and have a very agressive tone and long life.

Highest output 6V6. This tube has more of the character of a 6L6 than 6V6 in many amps. These handle plate voltages in excess of 475 plate volts and have a very agressive tone and long life.

Highest output 6V6. This tube has more of the character of a 6L6 than 6V6 in many amps. These handle plate voltages in excess of 475 plate volts and have a very agressive tone and long life.

6V6-C Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

6V6-R Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

High vacuum short bottle. 30 watt tube.

High vacuum short bottle. 30 watt tube.

High Performance black plate 6L6 with GT heat sink plate assembly. 30 watt tube.

High Performance black plate 6L6 with GT heat sink plate assembly. 30 watt tube.

A faithful reproduction of the original General Electric "clear top" tube made on the original GE machines and with many original materials.

A faithful reproduction of the original General Electric "clear top" tube made on the original GE machines and with many original materials.

A faithful reproduction of the original General Electric "clear top" tube made on the original GE machines and with many original materials.

Russian made, same as the 5881 you are using now, but when these are matched in our system they are improved. These are a very sturdy and reliable tube.

Russian made, same as the 5881 you are using now, but when these are matched in our system they are improved. These are a very sturdy and reliable tube.

Russian made, same as the 5881 you are using now, but when these are matched in our system they are improved. These are a very sturdy and reliable tube.

Produced for us by Svetlana, it has a linear even tone, similar to orginal Sylvania tubes which is what it is patterned after. Slightly less power than the 6L6S, but more gain and better top end than other Russian 6L6's. A great tube for Fender amps.

Produced for us by Svetlana, it has a linear even tone, similar to orginal Sylvania tubes which is what it is patterned after. Slightly less power than the 6L6S, but more gain and better top end than other Russian 6L6's. A great tube for Fender amps.

Produced for us by Svetlana, it has a linear even tone, similar to orginal Sylvania tubes which is what it is patterned after. Slightly less power than the 6L6S, but more gain and better top end than other Russian 6L6's. A great tube for Fender amps.

Slovakian made with high power and very agressive dynamic tone...punchier sounding but still a sweet tone.

Slovakian made with high power and very agressive dynamic tone...punchier sounding but still a sweet tone.

Slovakian made with high power and very agressive dynamic tone...punchier sounding but still a sweet tone.

Chinese made copy of the classic KT66.

Chinese made copy of the classic KT66

Chinese made copy of the classic KT66, great sounding but not quite as nice as the KT66HP, but less money too.

6L6-C Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

6L6-CB Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

6L6-R(B)Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

6L6-R2 Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

6L6-S Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

KT66-C Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

The reissue of the famed GE 6CA7. Active beam forming element, high vacuum. Output a bit higher than current EL-34 tubes.

The reissue of the famed GE 6CA7. Active beam forming element, high vacuum. Output a bit higher than current EL-34 tubes.

The reissue of the famed GE 6CA7. Active beam forming element, high vacuum. Output a bit higher than current EL-34 tubes.

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 class.

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 class.

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 class.

Good tone for the money, slightly less power, but lacks top end. Lightweight design means it's looser and easily overdriven. Shorter lifespan to go with lower cost.

Good tone for the money, slightly less power, but lacks top end. Lightweight design means it's looser and easily overdriven. Shorter lifespan to go with lower cost.

Good tone for the money, slightly less power, but lacks top end. Lightweight design means it's looser and easily overdriven. Shorter lifespan to go with lower cost.

Reproduction of a classic EL-34 XF2 Dual Getter tube. This is a classic.

Reproduction of the classic EL-34 XF2 Dual Getter tube. This is a classic.

This Russian made pentode is standard issue on many UK amps and has great durability, although as with most Russian power tubes the break up is a bit harsh and they lack high end as compared to the true European models.

This Russian made pentode is standard issue on many UK amps and has great durability, although as with most Russian power tubes the break up is a bit harsh and they lack high end as compared to the true European models.

This Russian made pentode is standard issue on many UK amps and has great durability, although as with most Russian power tubes the break up is a bit harsh and they lack high end as compared to the true European models.

KT-77S Beam Pentode. This is a direct replacement for an EL34 or E34LS tube. This is a matched duet of two tubes.

KT-77S Beam Pentode. This is a direct replacement for an EL34 or E34LS tube. This is a matched quartet of four tubes.

E34L-S Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

EL34-C Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

EL34-R Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

EL34-R2 Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

A softer version of the older USA 6550A, with a nice distortion character. This tube has a distortion that is between a 6L6GC and a 6550A.

A softer version of the older USA 6550A, with a nice distortion character. This tube has a distortion that is between a 6L6GC and a 6550A

A softer version of the older USA 6550A, with a nice distortion character. This tube has a distortion that is between a 6L6GC and a 6550A.

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.

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.

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.

An exact replica of the famous UK made Genelux KT88, it has huge power (700vdc on the plates, more than 50 watts per tube!) Made for us by the largest tube factory in China, a welcome option for higher powered amps like VHT and HIWATTS.

An exact replica of the famous UK made Genelux KT88, it has huge power (700vdc on the plates, more than 50 watts per tube!) Made for us by the largest tube factory in China, a welcome option for higher powered amps like VHT and HIWATTS.

An exact replica of the famous UK made Genelux KT88, it has huge power (700vdc on the plates, more than 50 watts per tube!) Made for us by the largest tube factory in China, a welcome option for higher powered amps like VHT and HIWATTS.

The KT88sv Is the newest version, identical to original Golod Lion specs from the 60's.

The KT88sv Is the newest version, identical to original Golod Lion specs from the 60's.

The KT88sv Is the newest version, identical to original Golod Lion specs from the 60's.

6550-C Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

6550-R Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

KT88-C2 Silver Series (tube prices are for single tube quanties) - For detailed descri

KT88-SV Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

Russia EL84, Good quality, long lasting type with a slightly aggressive edge when pushed into overdrive.

Russia EL84, Good quality, long lasting type with a slightly aggressive edge when pushed into overdrive.

Russia EL84, Good quality, long lasting type with a slightly aggressive edge when pushed into overdrive.

New European version with even more response, higher power and warmer tone.

New European version with even more response, higher power and warmer tone.

New European version with even more response, higher power and warmer tone.

EL84-R Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

EL84-S Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

EL84-Y Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

Rare power pentode used in the early Ampeg amps, currently the only one available for these amplifiers.

Rare power pentode used in the early Ampeg amps, currently the only one available for these amplifiers.

Rare power pentode used in the early Ampeg amps, currently the only one available for these amplifiers.

This obscure pentode tube used in some early Gibson amps has been off the market until our favorite Russian factory decided to supply it again.

This obscure pentode tube used in some early Gibson amps has been off the market until our favorite Russian factory decided to supply it again.

This obscure pentode tube used in some early Gibson amps has been off the market until our favorite Russian factory decided to supply it again.

7027-S Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

7591-R Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.