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 midrange and pleasing top end that is present where it counts, yet also warm...

LOTS of American 12AT7 and 6V6 Tubes, some are used and tested..$30 each some are new and in boxes..$60 each

The MESA® 5U4GB RECTIFER TUBE produces a “traditional vintage sag” with the most elastic and compressed feel of the two 5U4’s that they offer. Amazing feel and exceptional overall quality make this their factory...

Presenting the Groove Tubes® GT-ECC83-S SELECT Preamp Tube. Groove Tubes GT-12AX7/ECC83-S tubes pass every Groove Tubes premium certification for microphonics, hum, physical characteristics and function. Quite simply...

Presenting the Groove Tubes® GT-6L6-S MED DUET matched set of Power Tubes. The Groove Tubes GT-6L6 is a medium-output power tube (generally 20-25 watts) often used in Fender® professional amplifiers including the...

Presenting the Groove Tubes® GT-12AT7 S Select Preamp Tube. Groove Tubes GT-12AT7 tubes pass every Groove Tubes premium certification for microphonics, hum, physical characteristics and function. Quite simply the best...

Electro-Harmonix 12AX7 Preamp Tubes Are: • Ultra-low noise thanks to unique spiral filament which eliminates cathode-to-filament induced hum on certain amps • Best all-around choice and best value for 12AX7 • ECC83/7025...

The JJ Electronics ECC81 is 12AT7 medium gain pre-amplifying double triode preamp tube. It can be also used as replacement for 12AX7 in many applications. Very smooth and warm sound. Very low microphonic. Good for phase...

The JJ EL84 is an output pentode for use in guitar and Hi-Fi amplifiers. It has a noval base and maximum plate power of 12W. They are being sold as a Matched Duet for optimum performance. JJ Electronic tubes deliver...

The MESA® 5Y3 RECTIFIER TUBE is a favorite among vintage aficionados and a great choice in older MESA amps like the Lone Star Special as well as many other vintage, non-MESA, amplifiers. This tube produces sultry,...

Mesa Boogie's SPAX7's are a premium grade substitute for the standard 12AX7 - They are a "Special Requirement Preamp Tube" that possess an even higher standard of overall performance than their high-quality 12AX7 due to...

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 "saggy" of their tube rectifier offerings.

The MESA EL84 / 6BQ5 is a European classic and the tube type that led the British invasion. Tight and aggressive, yet smooth and warm, with an amazing chiming mid and top end. Brilliant focus with a frequency response...

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 a beautifully deep bass and spacious, shimmering highs, this tube...

The JJ Electronics E34L is a more powerful EL34 with more headroom and deeper lows. It is a little more aggressive than the EL34. This is a Platinum Matched set of 2 (Duet).

The MESA® EL-34 STR 447 is a premium grade NOS-equivalent EL-34. It offers traditional EL-34 tone & feel – urgent and aggressive – and is an excellent choice for all styles of gain, especially classic rock, alternative...