This Carvin X1 Tube Preamp Pedal has been very gently owned and is in excellent condition with minimal wear!The design criteria for the X1 was to deliver the sounds of the classic Carvin X-100B amplifier in a compact package with added connectivity. The result is a full tube preamp in a pedal format, able to fit in a carry-on or backpack. The X1 incorporates tube technology with simple, yet flexible modern features to interface with many types of gear.