Now Available! ... BK Butler's original hand made Tube Driver guitar pedal used by Eric Johnson, David Gilmour, Billy Gibbons, Joe Satriani, Kenny Wayne Shepherd, ...

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Butler Audio ... Home of the Original BK Butler Tube Driver as used by Eric Johnson, David Gilmour, ZZ Top and many other pros. This is the 'Holy Grail" of ...

Alex Audio Butler's Algorithms. End Boost contains all A.I.-algorithms and audio presets of Alex Audio Butler. Because it's now in a stand-alone app form-factor ...

The simplified explanation · No output transformer · Power amplifiers of any practical wattage level can be readily designed with this technology. · No ...

Awesome old school amp. There are a lot of sound amps that "play" music, but ...this one is "sings" it. It mostly suitable for twitters and high-midranges than ...

The BCD is exceptionally articulate and precise. It communicates a sensation of speed, with the treble crystalline and extended but without warmth there or in ...

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The original creator of the famous Tube Driver that is used by David Gilmour and Eric Johnson. Available now at tonegarages.com.

This Butler Audio Tube Driver w/Bias Control is in great shape and working condition.