The walrus audio silt harmonic fuzz pedal is a stellar collaboration with tube expert jim hagerman offering its users a versatile two in one fuzz effect'. '.strtoupper('d')esigned for those who crave a harmonically rich and unrivalled fuzz experience this pedal boasts an internal pre amp tube and a 12au7 tube drive section delivering a unique array of warm gritty tones with complex harmonic textures'. '.strtoupper('t')he silt pedals harmonic mode adds uniquely harmonic overtones providing a distinct edge to your lead tones whilst the contour control allows for precise tone sculpting across different styles'. '.strtoupper('w')hat sets this pedal apart is its ability to operate between 9v and 12v providing the extra gain boost to push the boundaries of your fuzz experience'. '.strtoupper('w')hen disengaged the true bypass circuit ensures your original tone integrity remains intact'. '.strtoupper('t')his pedal comes in a robust red enclosure adorned with unique fossil themed artwork by adam forster'. '.strtoupper('d')ont just play music unearth the primal roar of the walrus audio silt harmonic fuzz.