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Groove Tubes
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Groove Tubes  

Guitarists both yesterday and today can be linked by one piece of equipment: The tube amp. With all the strides in transistor amp technology, guitarists still prefer tube amps. Why do tube amp designs sound and feel differently from solid-state? Simply, tubes work differently.more

Improve your amps tone or change it's tonal character completely.
Mellow it out or transform it into a snarling beast with select tube upgrades.
Preamp Power Rectifier Substi-Tubes

SAG-FHG Fender High Gain kit. 2 selected high gain 12AX7C tubes optimized for the preamp stage of Fender amplifiers of all eras which use a 12AX7/7025 first gain stage.Two high gain preamp tubes and one matched 12AT7 phase inverter. SAG-FST Fender Soft-Touch kit. 3 Tubes; 2 selected lower gain, slow rise time 12AX7C tubes optimized for the preamp stage of Fender amplifiers. Also included is 1 matched 12AT7 phase inverter. SAG-MHG Marshall High Gain Kit. 2 SAG ECC83S and 1 AX7-MPI tubes optimized for the preamp stage of Marshall style amps. SAG-TT Tone Triplier Kit. Change the tonal character of your amplifier in less than five minutes with this set of three preamp tubes. Each tube with a different tonal signature.

TUBES IN STOCK

Preamp Tubes
GT-12AX7-M "Mullard" reissue $26.00 The new GT12AX7M is an exact reissue of the original Mullard 12AX7/ECC83 dual triode preamp tube GT-12AT7 $20.00 12AT7. Used for phase inverters in many amps such as Fender Black and Silver Face, reverb drivers, etc GT-12AX7-R $20.00 Older style Russian type, strong tone but a little edgy GT-12AX7-C $20.00 A new offering from China, warm round and fat tone, not too bright
GT-ECC83-S $22.00 (European, very linear, or true, tone...might be best bet for bass). The standard tube of Marshall and Vox amps. GT-7025-Y $20.00 Great tone, European made, large plate type with slightly higher gain and wide frequency response. Now available after five years of U.N. embargo. PS-9 tube pin alignment tool $15.00 (9-pin) w/ mounting screw

Power Tubes
GT-6CA7GE Quad $180.00 The reissue of the famed GE 6CA7. Active beam forming element, high vacuum. Output a bit higher than current EL-34 tubes. GT-E34-LS Quartet $100.00 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. GT-EL84-S Duet $25.00 New European version with even more response, higher power and warmer tone. GT-6L6-C Duet $50.00 Chinese made, sweeter tone and nice break up. Not as long lived as the Russians but most players prefer their tone.
GT-6V6-R Duet $50.00 The choice of most all smaller powered Fender amps and other similar low powered amps (about 15 watts per tube). Warm, round, easily overdriven. Great for recording or practice. GT-E34-LS Duet $50.00 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. GT-EL84-S Quartet $50.00 New European version with even more response, higher power and warmer tone. ST-KT66-HP Silver Series single tube $26.00 KT66-HP Silver Series (tube prices are for single tube quanties) - For detailed description of this tube, please see the GT description of the GT labelled product.

Rectifier Tubes
GT-5U4 $22.00 Common to many medium powered amps such as the Fender Blackface amps. This is the factory selected rectifier for the Mesa Dual and Triple rectifier series. GT-SS-5U4 (Solid-State) $20.00 Replaces the tube 5U4. Adds power, increases dynamics, and it will not wear out.    
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