This used Pete Cornish TB-83 Extra Treble Booster is in excellent condition and functions exactly as it should. Built to Pete Cornish’s famously exacting standards, the TB-83 delivers a powerful, articulate treble boost that adds clarity, bite, and harmonic richness without harshness—perfect for pushing an already-driven amp or adding definition to darker rigs.

The pedal is very clean with minimal signs of use. All controls, jacks, and internal circuitry operate properly. No original box included—pedal only.

A boutique-grade treble booster trusted by professional players for its tone, reliability, and unmistakable Cornish quality.