Guild F512E ATB WC - 12-String Jumbo Acoustic Electric Guitar - Antique Burst NitroThe F 512 Maple is back and better than ever. Formerly the F 512, this USA made jumbo has been a staple of the Guild line since the late 1960s. and features a tight grained solid Sitka spruce top with arched flamed maple back and maple sides. Created on the same arch press thats been a part of Guild manufacturing since 1985, the F 512 Maple provides sharply focused trebles and an articulate mid range, perfect for a full, centralized, harp like sound.