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T-12AT7-GT12AT7 - Groove Tubes
9 pin miniature preamp tube (Amplification Factor = 60)
Durable phase splitter or driver tube. Excellent in vibrato or reverb circuits where consistent, high output power is desired.
$17.50
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T-12AY7-GT12AY7 - Groove Tubes
This tube is closest in specification to a 12AX7 and can be exchanged with a slight drop in gain. Most companies changed over to the 12AX7 as it became more common.
This tube can be tried in later Marshall amplifiers in the first gain position, where the owner of these amps would like to drop the background noise and lower the gain level to plexi or early 70s vintage gain levels with its returned wider frequency response.
$17.95
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T-6V6-C-MP-GT6V6 C - Groove Tubes, Matched Pair
Octal power tube (Max Plate Watts = 14W)
Classic design and affordable. Warm overdrive and soft distortion character.
$40.00
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T-EL84-S-MP-GTEL84 - Groove Tubes, Matched Pair

Groove Tube's Gold Series EL84. The warmest Groove Tube in this family. It remains very buttery, with relatively high power output and very even response. A great replacement for many modern stock amps, overcoming a variety of design issues and limitations in inexpensive tube amps.


$44.00
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T-EL34M-MP-GTEL34 - Groove Tubes, Matched Pair
Octal power tube (Max Plate Watts = 25W)
The GT EL34 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 and well-defined tone and really “wakes up" reissue amps to perform like the originals. As close as you can get to vintage Marshall® power tube heaven.
$45.00
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T-6L6-CHP-MP-GT6L6 CHP - Groove Tubes, Black Plate, Matched Pair
Octal power tube (Max Plate Watts = 30W)
EXCLUSIVE GT design. This black-plate (carbonized nickel) design features extended heatsink wings. Has strong and focused output, and is highly recommended for enlivening any stock Fender® or Marshall® that uses a standard 6L6. High-performance design delivers 30 watts, with very high performance/headroom. An outstanding replacement for any tube amp with 6L6 power tubes.
$50.00
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T-6L6GE-MP-GT6L6 GE Reissue - Groove Tubes, Matched Pair
Octal power tube (Max Plate Watts = 30W)
EXCLUSIVE GT design. The GE is a faithful reproduction of the original "clear top" 6L6. The flagship of the GT 6L6 line, it looks and sounds exactly like the original G.E. tube used by Fender® in the '50s and '60s. It took more than four years to develop, and has stunning
clarity and power.
$52.00
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T-6V6-SDM-MP-GT6V6-SD-M - Groove Tubes, Matched Pair
Groove Tube 6V6-SDM
Matched Pair
$55.00
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T-E34L-S-MP-GTE34L - Groove Tubes, Matched Pair
Octal power tube (Max Plate Watts = 25W)
EXCLUSIVE GT design. The heat wings attached to the plate give this 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 cooler for longer life. Amazing headroom, killer tone and all of the great features and characteristics of the EL34 design.
$55.00
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