Tubes

Our highest quality 12AX7A tube. All pre-amp tubes are properly tested for quality assurance.HG Grade: RUBY standard grade that will work in all po...

One of the highest-output 8-pin pentodes available. The KT88 delivers 35 to 50 watts per tube and was original equipment in amps during the ’70s a...

The JAN GE 12AX7 is a great sounding tube for both Hi-Fi and musical instruments. Many guitarists love this tube for its warm but crisp tone. These...

Groove Tubes GT-5Y3 Rectifier Tube Every Groove Tubes product receives premium certification for microphonics, hum, noise floor, physical operation...

The MESA® 6L6 STR-448 is a premium grade 6L6, with a balanced voice and plenty of punch and headroom. They produce rich low end, tight, full midran...

The most powerful EL84. Much like the GE6BQ5. Made in Czechoslovakia. Great compromise between tone and reliability. Nice mids, sparkling highs an...

Every Groove Tubes product receives premium certification for microphonics, hum, noise floor, physical operation and characteristics. Specifically ...

Groove Tubes Gold Series GT-5AR4/GZ34 Rectifier Tube The 5AR4 (GZ34) rectifier tube is common to higher-powered tube amps such as the later Fender ...

The MESA® 5U4GB Rectifier Tube is our very best overall 5U4 and our rectifier tube of choice in the production of all new MESA amps featuring this ...

The MESA® EL-34 STR 447 is our very best overall, premium grade NOS equivalent EL-34 and our tube of choice in the production of all new MESA EL-34...

The original power platform behind most high-powered British guitar stacks from the ’60s onward. Output is generally between 20 and 25 watts, with ...

The MESA® 6V6 STR 417 is the little brother to the 6L6 and exemplifies classic American tube tone from yesteryear. Extremely sweet and bubbly with ...

Similar to our most popular RUBY 6L6GCMSTR tube, about 1-2 watt higher in plate dissipation. Ruby's matching process is very exact and our tubes a...

This 12AX7/ECC83 preamp tube has a well-balanced, colorful tone with strongly defined lows and mids and smooth highs. It allows for more clean head...

GT-12AY7 tubes pass every Groove Tubes premium certification for microphonics, hum, physical characteristics and function. Quite simply the best 9-...

The MESA 5AR4 rectifier tube produces a vintage feel with light to mild "sag". While it produces more "sag" than Silicon Diodes, it is the least "s...

The MESA® NOS SIEMENS EL-34 STR 450 is a German made, "A-grade” NOS (New Old Stock) Siemens EL-34. This legendary European EL-34 is known for its u...

These custom made high temperature silicone damper rings will prevent your tubes from dancing along with the music coming from your speaker. Common...

These custom made high temperature silicone damper rings will prevent your tubes from dancing along with the music coming from your speaker. Common...

Classic Design - Warm Overdrive - Soft Distortion Character. The 6V6 is a low-output power tube (12-18 watts) often used in Fender¨ amplifiers, inc...

The most powerful EL84. Much like the GE6BQ5. Made in Czechoslovakia. Great compromise between tone and reliability. Nice mids, sparkling highs an...

Exhibits many of the same characteristics as the EL34, but with a power output of roughly 5-8 watts. Very creamy and smooth; used in many modern ...

Exhibits many of the same characteristics as the EL34, but with a power output of roughly 5-8 watts. Very creamy and smooth; used in Fender Pro Jun...

The original power platform behind most high-powered British amplifier heads from the '60s onward. Output is generally between 20 and 25 watts, wit...