Supro 1310 Tremolo - UsedSupro's Tremolo pedal creates one of the cornerstone effects you'd find with a vintage Supro amp. This pedal allows players to swap between amplitude and harmonic modes to for a wide spectrum of vintage amp effect tones. An additional gain control is worked in with automatic output level compensation for getting authentic and precise Supro sounds. This Supro Tremolo is in very good condition and is fully functional. There are few signs of cosmetic