Vacuum Tubes

The first electronic amplification of sound was done with Vacuum Tubes. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today.

Groove Tubes

T-12AX7A-CHINA Vacuum Tube - 12AX7A, China
9 pin miniature preamp tube (Amplification Factor =100). This is the Chinese 12AX7A. The 12AX7A is a lower noise version of the 12AX7.
$10.95
T-7025-CHINA Vacuum Tube - 7025, China
7025 - 9 pin miniature preamp tube Made in China Lower hum/noise version of a 12AX7/ECC83 Voltage gain rating: 1 2 3 4 5 6 7 8 9 10 Lows Mids Highs
$14.82
T-6L6WGS-SINO Vacuum Tube - 6L6WGS, Black Plate, Short Bottle, Made in China
6L6WGS - Black Plate, Short Bottle, Made in China
Starting at $17.30
T-6L6WGC-SINO Vacuum Tube - 6L6WGC, Black Plate, Made in China
6L6WGC - Black Plate, Made in China
Starting at $17.30
T-6L6-CHP-MP-GT Vacuum Tube - 6L6 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
T-6L6GE-MP-GT Vacuum Tube - 6L6 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
T-6V6-C-MP-GT Vacuum Tube - 6V6 C, Groove Tubes, Matched Pair
Octal power tube (Max Plate Watts = 14W) Classic design and affordable. Warm overdrive and soft distortion character. The 6V6 is a low-output power tube (12 - 18 watts) often used in Fender® amplifiers, including the Champ®, Deluxe™, Dual Professional, Vibro-King®, Princeton®, Vibrolux® and others. It has a very warm, round and soft response with rich harmonics, and distorts easily. One of the best choices ever produced for rehearsal and recording amplifiers.
$40.00
T-6V6-SDM-MP-GT Vacuum Tube - 6V6-SD-M, Groove Tubes, Matched Pair
The 6V6 is a low-output power tube (12-18 watts) often used in Fender® amplifiers, including the Champ®, Deluxe™, Dual Professional, Vibro-King®, Princeton®, Vibrolux® and others. It has a very warm, round and soft response with rich harmonics, and distorts easily. One of the best choices ever produced for rehearsal and recording amplifiers. Our most premium design, for long life and professional performance. The choice for many pro players who use Groove Tubes in their favorite amps for recording and rehearsal; fully captures the spirit and sound of tube amps from the '50s and '60s to the present.
$55.00
T-6V6GT-CHINA Vacuum Tube - 6V6GT, Chinese
Chinese 6V6GT Available in Singles, Matched Pairs or Matched Quads - please select from list.
Starting at $13.02
T-811A-CHINA-X Vacuum Tube - 811A, Triode, Power Amplifier, China
Chinese 811A Available in Singles or Matched Pairs - please select from list.
Starting at $26.04
T-812A-CHINA-X Vacuum Tube - 812A, Triode, Power Amplifier, China
Chinese 812A Available in Singles or Matched Pairs - please select from list.
Starting at $29.70
T-EL34M-MP-GT Vacuum Tube - EL34, Groove Tubes, Matched Pair
Package of 2
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.
$47.00
T-EL84-S-MP-GT Vacuum Tube - EL84, Groove Tubes, Matched Pair
Package of 2
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
T-12AT7-CHINA Vacuum Tube - 12AT7, China
Chinese 12AT7 dual triode.
$12.34
T-12AT7-GT Vacuum Tube - 12AT7, 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.
$19.95
T-12AU7-CHINA Vacuum Tube - 12AU7, China
9 pin miniature preamp tube (Amplification Factor = 17)
$11.10
T-12AX7-C-GT Vacuum Tube - 12AX7 C, Groove Tubes
9 pin miniature preamp tube (Amplification Factor = 100). This is the ubiquitous Chinese 12AX7 with added selection. The gain is high and the American "Groove Tubes" must be filtering out the noisiest ones. Great chiming tone with sweet, warm midrange excellent for Marshall® and Fender® amps. Smooth distortion characteristics and one of the highest-output preamp tubes in the GT 12AX7 line, with very consistent quality
$19.95
T-12AX7-CHINA Vacuum Tube - 12AX7, China
9 pin miniature preamp tube (Amplification Factor =100). This ubiquitous Chinese tube is straightforward and bright. Its high gain gives it some bite, too. In overdrive, it brings out the highs and offers easy access to harmonic sustain.
$11.10
T-12AX7B-CHINA Vacuum Tube - 12AX7B, China
9 pin miniature preamp tube (Amplification Factor = 100). The Chinese 12AX7B is very similar in tone to its standard Chinese cousin, but the Bs seem to average in at slightly lower gain and noise.
$11.25
T-12AY7-GT Vacuum Tube - 12AY7, 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.
$23.95
T-300B-VA-X Vacuum Tube - 300B, Valve Art
Valve Art, 300B Power Tube
Starting at $138.87
T-5AR4-CHINA Vacuum Tube - 5AR4, Chinese
Chinese 5AR4 Vacuum Tube
$18.54
T-6146B-CHIN Vacuum Tube - 6146B, Chinese
Available in Singles, Matched Pairs or Matched Quads - please select from list.
Starting at $33.48
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