| 1. Groove Tube Gold Series GT-6L6-R Matched Power Tubes |
 | GT-6L6-R (B) Duet Russian made, same as the 5881, but matched in the GT system. These are a very sturdy and reliable tube, with slightly less power and a more aggressive ... more info add to cart
Amp Tube Set. Made by Groove Tubes. (MF.219158) |
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| 2. Groove Tube Gold Series GT-E34L-S Matched Power Tubes |
| The 1st choice of pro players. The Gold Series GT-E34L-S Matched Power sets are an exclusive GT design with special "heat wings" attached to the plate for more power, longer ... more info
Amp Tube Set. Made by Groove Tubes. (MF.219174) |
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| 3. Groove Tube Gold Series GT-6L6-S Matched Power Tubes |
| GT-6L6-S Duet These guitar amp tubes are Slovakian made with high power and very aggressive dynamic tone...punchy, but still sweet. New GT design with more power and heavy ... more info
Amp Tube Set. Made by Groove Tubes. (MF.219160) |
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| 4. Groove Tube 6L6C Amp Tube - Matched Quad |
 | New model, large straight bottle like Sylvania STR tube of the late 70's. High power, crisp tone with solid tight bass, great for Rock or Country, excellent value - matched ... more info
Amplifier Tube. Made by Groove Tubes. (MC.GT6L6CSQ) |
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| 5. Groove Tube 6L6C Amp Tube - Matched Duet |
 | New model, large straight bottle like Sylvania STR tube of the late 70's. High power, crisp tone with solid tight bass, great for Rock or Country, excellent value - matched ... more info
Amplifier Tube. Made by Groove Tubes. (MC.GT6L6CSD) |
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| 6. Groove Tube Gold Series GT-6L6-CHP Matched Power Tubes |
| GT exclusive design high performance 6L6 Black Plate with heat sink wings like the GT E34LS and KT88SV. Very strong, smooth, and linear. Fantastic in Fender Hot Rod Deluxe, ... more info
Amp Tube Set. Made by Groove Tubes. (MF.219159) |
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| 7. Groove Tube Gold Series GT-6550-R Matched Power Tube |
| 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. Newest entry, power ... more info
Amp Tube Set. Made by Groove Tubes. (MF.219165) |
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| 8. Groove Tube Gold Series GT-EL34-R Matched Power Tubes |
| This Russian-made pentode is standard 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 ... more info
Amp Tube Set. Made by Groove Tubes. (MF.219173) |
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| 9. Groove Tube Gold Series GT-6550-C Matched Power Tubes |
| GT-6550-C Duet 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. In older Marshall's ... more info
Amp Tube Set. Made by Groove Tubes. (MF.219164) |
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| 10. Groove Tube Gold Series GT-6V6-S Matched Power Tubes |
| GT-6V6-S Duet 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 ... more info
Amp Tube Set. Made by Groove Tubes. (MF.219157) |
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