6L6 Type Large Fender Amps The Choice of most all medium powered Fender amps, and the many Fender 'wantabe' amps. This specially designed pentode with a beam ...

Durable, phase splitter, or driver tube (part of the power section). Great for most US made amps, especially Fender. Great for Marshall in the driver stage for a cleaner, ...

EL84 Types Most common low power pentode, popularized in early Vox AC30 amps. Rediscovered by Matchless amps and now currently used by nearly every tube amp ...

New tube from Russia. Slightly brighter and lower gain, quicker compression than GT 12AX7. Great for most Fenders, may not be well suited for high gain Fender type amps (such ...

New exclusive GT design with special 'heat wings' attached to plate for more power, longer life, and better tone. Big bottom, very dynamic, most powerful in it's class. The 1st ...