Used Bk Butler Tube Works RT913 Tube Driver Guitar Preamp

Used BK Butler Tube Works RT913 Tube Driver Guitar Preamp in Good condition delivers the classic warm, harmonically rich Tube Driver tone with smooth overdrive and touch-sensitive response. Featuring an all-tube preamp circuit with 1x 12AX7, Gain and Output controls, and a 3-band EQ for shaping everything from fat blues drive to singing leads, it’s a studio- and stage-ready tone shaper that pairs great with amps, power amps, or recording rigs.