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This pedal is an all tube booster/overdrive pedal based on Matsumin's Valvecaster, but with the addition of an internal charge-pump to supply the tube plates with approximately 40V for dynamic tones, tons of headroom, and great classic tube sounds. Based around a 12au7 preamp tube, whether you are playing through a solid state or tube amp, this pedal will produce that classic warm tube tone with tons of saturation (without getting muddy), rich harmonics, and singing sustain. With a tweak of the gain knob or the volume knob on your guitar, the effect goes from a warm clean boost to a smooth low gain overdrive! Besides sounding great, with a beautifully finished wedge enclosure, unique tube cage for protection, and knurled aluminum knobs, this pedal is sure to stand out on your pedal board!


--Uses 9v regulated wall supply for power
-True Bypass
-For use with a 12au7 tube, but you can experiment with other 9-pin preamp tubes
-Three knurled aluminum knobs that control Gain, Master Volume, and Tone
-A real, glowing tube, socketed for easy replacement, and protected by cage
-A unique "wedge" enclosure with a beautiful red and black hammered metal finish, all silver/chrome hardware, and an ultrabright White LED--


GnarHeel Pedals are handmade in North Carolina with precision & care. All of my pedals are made with supreme tone and quality in mind. If you are not satisfied 100% with any of my pedals or you experience any difficulties, return it for free repair, replacement, or a refund at no cost to you! Also if you have a request for a certain pedal, sound, or design, just let me know! Thanks for looking and ROCK ON!

Vintage Tube Booster/Overdrive Pedal - Tons of Tones - Beautiful Enclosure - Custom Guitar Pedal by GnarHeel Pedal Co


  • Handmade item
  • Ships worldwide from United States
  • Feedback: 8 reviews
  • Favorited by: 18 people