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.

Sovtek

Manufactured in Saratov, Russia.

Ruby

Ruby tubes are manufactured in China and tested for quality and performance.

Groove Tubes

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.
$44.50
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Originally: $50.00
T-6L6GC-M-STR-X Vacuum Tube - 6L6GC-M-STR, Ruby Tubes
Octal power tube (Max Plate Watts = 30W)
Starting at $19.14
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Originally: $21.50
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.
$46.28
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Originally: $52.00
T-6L6WXT+SOVT Vacuum Tube - 6L6WXT+, Sovtek
Higher in gain than the 5881WXT, with full base.
Sovtek is proud to announce the release of their new 6L6WXT+ vacuum tube. Modelled after the vintage RCA 6L6GC "blackplate," the Sovtek 6L6WXT+ features larger plate dimensions and improved grid structure for increased power handling capabilities. The 6L6WXT+ also features mica spacers with metal springs to eliminate tube rattle and microphonics. The Sovtek 6L6WXT+ yields a 20% higher output than the Sovtek 5881WXT and offers superior tone and overall performance to any 6L6 or KT66.
Starting at $20.03
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Originally: $22.50
T-6SL7GT-SOVT Vacuum Tube - 6SL7GT, Sovtek
Sovtek 6SL7GT
$12.42
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Originally: $13.95
T-6SN7GT-SOVT Vacuum Tube - 6SN7GT, Sovtek, Triode, Dual, Medium MU
Sovtek 6SN7GT dual triode, medium MU.
$13.31
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Originally: $14.95
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.
$35.60
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Originally: $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.
$48.95
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Originally: $55.00
On Backorder
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.
$41.83
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Originally: $47.00
T-EL84-SOVT Vacuum Tube - EL84, Sovtek
The Sovtek EL84 series produce an unbeatable smooth, warm, distortion. Excellent replacements in vintage VOX AC-30s and the like. Tube measurements are as follows:
  • Height: 2.75” (without pins)*
  • Diameter: 0.87”*

*Note: Due to the method of production in regards to the glass, measurements may vary slightly.
Starting at $9.75
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Originally: $10.95
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.
$39.16
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Originally: $44.00
T-12AT7-C Vacuum Tube - 12AT7, Ruby
12AT7 Preamp tube, Ruby brand
$16.69
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Originally: $18.75
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.
$17.76
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Originally: $19.95
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
$17.76
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Originally: $19.95
T-12AX7A-C5 Vacuum Tube - 12AX7A-C5, Ruby Tubes
The Ruby 12AX7AC5 HG is Ruby’s most popular preamp tube. These high grade tubes are chosen by manufacturers and builders worldwide for their consistency and musicality. Often described as sounding sweet, the 12AX7AC5 has solid lows, warm mids, and silky highs.
$14.15
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Originally: $15.90
T-12AX7LPS-SOVT Vacuum Tube - 12AX7LPS, Sovtek
9 pin miniature preamp tube (Amplification Factor = 100). This Russian tube is full bodied and well balanced. It has a high gain with a very smooth presentation. In overdrive, it is not quite as defined as the 12AX7-S-JJ, but it offers more crunchy fizz.
$12.91
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Originally: $14.50
T-12AX7WA-SOVT Vacuum Tube - 12AX7WA, Sovtek
9 pin miniature preamp tube (Amplification Factor = 100). This Russian tube has strong lows and bright highs. Its lows demand attention when playing full bar chords. In overdrive, it offers a lot of crunchy fizz.
$12.42
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Originally: $13.95
T-12AX7WB-SOVT Vacuum Tube - 12AX7WB, Sovtek
Sovtek 12AX7WB dual triode.
$13.13
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Originally: $14.75
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.
$21.32
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Originally: $23.95
T-5751-SOVT Vacuum Tube - 5751, Sovtek
Sovtek 5751 dual triode.
$17.36
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Originally: $19.50
T-5881-SOVT Vacuum Tube - 5881 / 6L6WGC, Sovtek
The 5881 is a very reliable tube that is widely used in many current production tube amplifiers. It has a warm tone with good 'bite.' This modern version is able to tolerate higher voltages than its 5881 / 6L6 cousins. The Sovtek 5881 delivers a warm, round tone that "sweetens" any vintage or modern guitar amp design. Built to rigid military standards, the 5881 will tolerate higher voltages than any other 6L6. In fact, they're frequently used as replacements for the old 7027 model in vintage Ampegs. Extremely consistent from piece to piece.
Starting at $15.09
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Originally: $16.95
T-5881WXT-SV Vacuum Tube - 5881WXT, Sovtek
The Sovtek 5881WXT is the same as the 5881 but with a full size base for easy installation in vintage amp designs. The Sovtek 5881 delivers a warm, round tone that "sweetens" any vintage or modern guitar amp design. Built to rigid military standards, the 5881 will tolerate higher voltages than any other 6L6. In fact, they're frequently used as replacements for the old 7027 model in vintage Ampegs. Extremely consistent from piece to piece. The Sovtek 5881 has a heater voltage of 6.3 volts at 0.88 amperes.
Starting at $16.24
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Originally: $18.25
T-5AR4-C Vacuum Tube - 5AR4, Ruby Tubes
5AR4 Ruby, Rectifier Tube
$19.54
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Originally: $21.95
T-5AR4-SOVT Vacuum Tube - 5AR4, Sovtek
Octal rectifier tube (Max DC output current = 250 mA)
$19.36
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Originally: $21.75
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