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Groove Tubes GT-12AT7
Durable, phase splitter, or driver tube (part of the power section). Great for most US made amps, especially Fender. Great for Marshall in the driver stage for a cleaner, brighter tone (should be changed every time power tubes are replaced ...
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Groove Tubes GT-12AU7 Preamp Tube for Guitar Amplifiers
Guitarists both yesterday and today can be linked by one piece of equipment: The tube amp. With all the strides in transistor amp technology, guitarists still prefer tube amps. Why do tube amp designs sound and feel differently from solid-s...
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Groove Tubes GT5U4 Rectifier Tube
Common to medium powered amps like the earlier Fender Super Reverbs and Bandmasters. May be used as a replacement for the 5Y3 for improved dynamics and power. Also some players have replaced their 5AR4 with the 5U4 in their Vox AC30 amps to...
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$22.95
Save: $10.05 (30%)
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Groove Tubes GT5AR4 Rectifier Tube
Common to higher powered tube amps, like the later Fender Super Reverb amps and the Vox AC30 (or Matchless copies). It is the higher powered tube type rectifier in our marketplace. May be used to replace a 5U4 or 5Y3 and will give a faster ...
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$25.99
Save: $11.01 (30%)
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Groove Tubes EL84SDT EL84 Duet European Made
Most common low power pentode, popularized in early Vox AC30 amps. Rediscovered by Matchless amps and now currently used by nearly every tube amp company. Quick, soft overdrive distortion, great for recording. European version with even mor...
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$41.99
Save: $17.01 (29%)
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Groove Tubes GT-6L6-R Duet
Perhaps the most reliable of the currently made types, with slightly less power and a more aggressive edge when pushed into distortion. Great for Fender amps including Hot Rod series, Blues DeVille series, Pro Tube series and BF reissue ser...
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$45.95
Save: $20.05 (30%)
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Groove Tubes 6L6C Duet "Straight Bottle"
The Choice of most all medium powered Fender amps, and the many others too. This specially designed pentode with a beam forming electrode was invented by RCA and has many variations available. It's response is rounder, with a more pronounce...
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$48.99
Save: $21.00 (30%)
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Groove Tubes Premium EL34 Duet
The Classic pentode power tube used in Marshall, Hiwatt, Laney, and similar Euro type amps. These tubes have a big bottom and a crisp top end that get crunchy when pushed hard. It also has sort of a hollow midrange response. The choice of t...
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$53.95
Save: $23.05 (30%)
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Groove Tubes GT-6L6-S Duet
New GT design with more power and heavy duty components. High power type with more highs and lows than other 6L6 types.
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$57.99
Save: $22.01 (28%)
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Groove Tubes GT-EL84-S Quartet Replacement Guitar Tubes
New European version with even more response, higher power and warmer tone. Most common low power pentone, popularized in early Vox AC30 amps. Rediscovered by Matchless amps and now currently used by nearly every tube amp company. Quick, so...
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$76.95
Save: $33.05 (30%)
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Groove Tubes 6L6C Quartet "Straight Bottle"
The Choice of most all medium powered Fender amps, and the many Fender wanabe amps. This specially designed pentode with a beam forming electrode was invented by RCA and has many variations available. It's response is rounder, with a more p...
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$91.95
Save: $40.05 (30%)
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Groove Tubes GT-EL34-R Quartet Set of 4 Guitar Amp Tubes
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. Newly exclusive GT d...
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$91.95
Save: $40.05 (30%)
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Groove Tubes Premium EL34 Quartet
The Classic pentode power tube used in Marshall, Hiwatt, Laney, and similar Euro type amps. These tubes have a big bottom and a crisp top end that get crunchy when pushed hard. It also has sort of a hollow midrange response. The choice of t...
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$107.95
Save: $46.05 (30%)
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Groove Tubes GT-6550-R Duet
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. Excellent response, yet it's easier to push into distortion than "A" version, a little harder soundin...
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$114.48
Save: $17.52
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Groove Tubes GT-6550-C Quartet Power Tubes
This tube has a distortion that is between a 6L6GC and a 6550A. In older Marshall's that have 6550's, this tube will give you more compression and distortion at lower levels than the other 6550 offerings. This tube is terrific in Class A am...
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$209.99
Save: $50.01
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