LunaStone pedals are designed in Denmark by its founder Steen Grøntved, who is an engineer, guitarist, and dreamer continuously pursuing superb guitar tone. Steen’s design efforts often start as attempts to create something that works for him. His design goal for the True Overdrive 1 was to imitate how valve circuitry behaves. Steen started from scratch, isolating components, playing, tweaking, tuning, and listening until he figured out how various transistors like BJTs, MOSFETs, JFETs, and several classic op-amps and diodes, colored and amplified his guitar tone.

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