GT-12AT7 tubes pass every Groove Tubes premium certification for microphonics, hum, physical characteristics and function. Quite simply the best 9-pin triode preamp tubes you can buy - specifically designed and tested...

The original power platform behind most high-powered British amplifier heads from the '60s onward. Output is generally between 20 and 25 watts, with pronounced mid-range punch, tight low end and crisp top end that...

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...

A medium-output power tube (generally 20-25 watts) often used in Fender® professional amplifiers including the Bassman®, Bandmaster®, Concert, Dual Showman®, Hot Rod™ Series, Pro Series, Super Reverb®, Tremolux™, Twin...

A medium-output power tube (generally 20-25 watts) often used in Fender® professional amplifiers including the Bassman®, Bandmaster®, Concert, Dual Showman®, Hot Rod™ Series, Pro Series, Super Reverb®, Tremolux™, Twin...

GT-12AX7/ECC83-S tubes pass every Groove Tubes premium certification for microphonics, hum, physical characteristics and function. Quite simply the best 9-pin triode preamp tubes available - specifically designed and...

The original power platform behind most high-powered British amplifier heads from the '60s onward. Output is generally between 20 and 25 watts, with pronounced mid-range punch, tight low end and crisp top end that...

It shares many characteristics with the EL34, yet delivers a power output of approximately 5-8 watts. Known for its creamy and smooth sound, it's favored in modern class "A" amps. Virtually every contemporary tube amp...

From Groove Tubes: 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...