hi guys,   • first of all I must say that my intent here is NOT to tread on anyone's toes   I just don't like when an idea, not founded on reality, begins to spread and everyone thinks it's the truth, while the facts say something else     • the background:   many users in this and other forums reported the same "feeling" that something is wrong when using the default Input Settings which means selecting the same signal for input 1 and 2 (I'll refer to this as "guitar/same" o "both