The Servoelectric Guitar
02/14/09 - Pretty Cool

“The Servoelectric Guitar is a fretless guitar that is played by controlling servomotors that change the tension of the strings over an octave or more on a real-time basis. Tuning is maintained by closed loop tension feedback for rapid and predictable response. Relatively small electrical motors and DC servo amplifiers are possible through a novel compensator spring design.” w/ photo + video
