In [this article](http://www.pigtronix.com/artists/andy-summers/) written by Andy Summers, he says he uses Pigtronix pedals, both the Philosopher's Tone, and the Quantum Time Modulator. He says, "Thus the arrival of the Philosophers Tone; a small metal box which alchemically transforms electrical current through its ingenious use of transistors, chips and whatever you call those things on the inside, into pure tone. I plug in with joy realizing that with this act I am in the great philosophical continuum and that in fact Descartes was right 'I sustain therefore I am'"more
Muse On Muse : Please tell us about your gear. What guitars, amps, effectors, foot pedals did you use for this recording? Pete Lesparance : I used a Koch Powertone 2 for the amp through a 2×12 Mesa-boogie cabinet. My pedal board consists of: -Pigtronix-Philosopher’s Tone compressor -Love Pedal Kanji overdrive -Keeler Push overdrive -SubDecay Prometheus filter pedal -Whetstone Phaser -Electro-Harmonix-POG 2 -Empress Temolo -Malekko spring chicken reverb -Boss Giga-Delay -ernie ball volume pedalmore
Michael Wilton uses a Pigtronix Philosopher's Tone Compressor pedal, according to Pigtronix's [website](http://www.pigtronix.com/artists/michael-wilton/).