Tubes
Groove Tubes GT-6550-R Quartet Matched Power Tubes Medium Power
$209.99
One of the highest-output 8-pin pentodes available. Originally manufactured in the United States by G.E.®, it delivers 35 to 50 watts per tube and was original equipment in amps during the '70s and early '80s. A big, clean, tight tube with amazing headroom and performance and great power and dynamics. The highest-output power tube in this family...
Groove Tubes GT-6550-RD-M Duet Matched Power Tubes Medium
$105.00
One of the highest-output 8-pin pentodes available. Originally manufactured in the United States by G.E.®, it delivers 35 to 50 watts per tube and was original equipment in amps during the '70s and early '80s. A big, clean, tight tube with amazing headroom and performance and great power and dynamics. The highest-output power tube in this family...
Groove Tubes GT-EL34-M Quartet Matched Power Tubes Medium Power
$119.00
Description:Matched quartet of EL34 tubes in “medium” power range.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 ...
Groove Tubes GT-6L6-GE Quartet Matched Power Tubes Medium Power
$115.50
Description:Matched quartet of 6L6 tubes in “medium” power range.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 a...
Groove Tubes GT-EL84-S Quartet Matched Power Tubes Medium Power
$119.99
Description:Matched quartet of EL84 tubes in “medium” power range.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. A great way to upgrade your am...
Groove Tubes GT-EL84-S Duet Matched Power Tubes Medium Power
$59.99
Description:Matched pair of EL84 tubes in “medium” power range.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. A great way to upgrade your amp a...
Groove Tubes GT-EL34-M Duet Matched Power Tubes Medium Power
$59.95
Description:Matched pair of EL34 tubes in “medium” power range.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 rea...
Groove Tubes GT-ECC83-S Preamp Tube
$29.99
Description:Groove Tubes' highest-gain preamp tube, this tube has a huge amount of gain, with terrific output that makes it a great choice for driving modern, complex high-gain circuits. It has a relatively high quality variance (making Groove Tubes pre-testing procedures especially important in this case), with a tight, strong and relatively br...
Groove Tubes GT-E34L-S Quartet Matched Power Tubes Medium Power
$159.99
Description:Matched quartet of E34L tubes in “medium” power range.EXCLUSIVE GT design. The heat wings attached to the plate give the Groove Tubes 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 long...
Groove Tubes GT-E34L-S Duet Matched Power Tubes Medium Power
$79.99
Description:Matched pair of E34L tubes in “medium” power range.EXCLUSIVE GT design. The heat wings attached to the plate give the Groove Tubes 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 ...
Groove Tubes GT-6V6-R Quartet Matched Power Tubes Medium Power
$82.50
Description:Matched quartet of 6V6 tubes in “medium” power range.Solid, predictable performance, the most used widely used tube design in stock amplifiers from major manufacturers in the 6V6 line.
Groove Tubes GT-6V6-R Duet Matched Power Tubes Medium Power
$49.99
Description:Matched pair of 6V6 tubes in “Medium” power range.Solid, predictable performance, the most used widely used tube design in stock amplifiers from major manufacturers in the 6V6 line.
Groove Tubes GT-6L6-R Quartet Matched Power Tubes Medium Power
$111.99
Description:Matched quartet of 6L6 tubes in “medium” power range.Solid and consistent performance; very sturdy and reliable. AKA 5881.
Groove Tubes GT-6L6-R Duet Matched Power Tubes Medium Power
$79.99
Description:Matched pair of 6L6 tubes in “medium” power range.Solid and consistent performance; very sturdy and reliable. AKA 5881.
Groove Tubes GT-6L6-GE Duet Matched Power Tubes Medium Power
$69.00
Description:Matched pair of 6L6 tubes in “Medium” power range.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 ...
Groove Tubes GT-6CA4 Rectifier Tube
$29.25
Description:The lowest-output rectifier tube in the GT line; commonly used during the ’60s in student and practice amplifiers.These pass every Groove Tubes premium certification for microphonics, hum, noise floor, physical operation and characteristics. Includes rectifier tubes, phase inverters and specialty kits specifically designed and tested...
Groove Tubes GT-5Y3 Rectifier Tube
$23.25
Description:Low-output rectifier tube originally used in early lowpower Fender® amps with tube rectifiers (Champ®, Princeton® and Deluxe). May also substitute for a 5AR4 or 5U4 for lower output levels.These pass every Groove Tubes premium certification for microphonics, hum, noise floor, physical operation and characteristics. Includes rectifier...
Groove Tubes GT-5U4 Rectifier Tube
$24.75
Description:Medium-output rectifier tube originally used in early medium-power Fender® amps with tube rectifiers.These pass every Groove Tubes premium certification for microphonics, hum, noise floor, physical operation and characteristics. Includes rectifier tubes, phase inverters and specialty kits specifically designed and tested for musical ...
Groove Tubes GT-5AR4-R Rectifier Tube
$27.75
Description:Our highest-output rectifier tube. Originally used in early higher-powered Fender® amps (40 watts or more) with tube rectifiers; also used in the Vox® AC30.These pass every Groove Tubes premium certification for microphonics, hum, noise floor, physical operation and characteristics. Includes rectifier tubes, phase inverters and speci...
Groove Tubes GT-12AY7 Preamp Tube
$34.99
Description:Low-gain tube used in very early Fender® amps. Can sub for a 12AX7 to lower gain and produce a slightly warmer tone. Great for harp or blues where softer, more compressed distortion at lower volumes is desired. Medium/soft gain.
Groove Tubes GT-12AX7-R3 Preamp Tube
$23.25
Description:The highest-gain output tube in the “R” series, this tube is similar to the R2 and has similar output, but with a shorter plate, higher gain, and a more consistent quality variance score. An extremely consistent tube useful in most applications.
Groove Tubes GT-12AX7-R2 Preamp Tube
$23.25
Description:Longer-plate-structure version of the standard “R” series tube, which produces brighter tone. Larger plate makes this tube slightly more prone to microphonic issues when used with high-gain amps. Suggested for use in darker amps to brighten tone. Very live and responsive, with good clarity.
Groove Tubes GT-12AX7-C Preamp Tube
$21.99
Description: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.
Groove Tubes GT-12AU7 Preamp Tube
$16.50
Description:Groove Tubes' lowest-gain preamp tube. Can sub for a 12AX7 to lower gain and produce a very creamy, warm tone. Great for harp or blues when softer, more compressed distortion at lower volumes is desired. Very low gain and very mellow output.
