Washburn AG70CE Apprentice Series Grand Auditorium Cutaway Acoustic Electric Guitar. Apprentice Series guitars are for the serious beginner who wants a guitar that sounds great, plays great and will serve them well as they progress. Washburn Apprentice Series AG70CEK-A has a Spruce Top and Walnut Back and Sides with a Barcus Berry preamp with EQ. It is a Grand Auditorium style with cutaway and very comfortable to play.