 | 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 Fe...More info | $16
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 | Groove Tubes 12AX7, Russian
This new tube from Russia is slightly brighter and lower gain. It offers quicker compression than GT 12AX7. Great for most Fenders, but may not be wel...More info | $19
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 | Groove Tubes E34LS Tube Duet (EL34)
This new exclusive GT design features special "heat wings" attached to plate for more power, longer life, and better tone. The 1st choice of Matchless...More info | $56
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 | Groove Tubes EL84 Duet, European Tubes
These tubes are good quality, long lasting type with a slightly aggressive edge when pushed into overdrive. ...More info | $39
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 | Groove Tubes EL84 Quartet, European Tubes
These tubes are good quality, long lasting type with a slightly aggressive edge when pushed into overdrive. ...More info | $79
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 | 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 distor...More info | $47
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 | Groove Tubes 6L6B Quartet, 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 distor...More info | $95
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 | Groove Tubes Fatfinger Guitar Sustain Enhancer
The Fatfinger increases sustain by adding physical mass to the headstock of your instrument. It helps add tone, sustain, and overall tone balance. It ...More info | $23
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 | Groove Tubes E34LS Tube Quartet (EL34)
This new exclusive GT design features special "heat wings" attached to plate for more power, longer life, and better tone. The 1st choice of Matchless...More info | $111
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 | Groove Tubes Fatfinger Bass Sustain Enhancer
The Fatfinger increases sustain by adding physical mass to the headstock of your instrument. It helps add tone, sustain, and overall tone balance. It ...More info | $31
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