My expression pedal only controls effect in the first 10% of it's travel, what's going on? 
        
        
        October 28 2024
        
        
      
        Expression pedals come in two pinouts. Some put the signal on the tip of the TRS cable (what the Echosystem expects), some put the signal on the ring. If it's on the ring, all the action will happen in the first 10% of the pedal's travel.