Find Your Sigma Filter Guitars Filtered (0) Filters Reset all× 000 / OM / Auditorium× Dreadnought× Mahogany× 12-String× Real Wood Veneer× 23.5” (597 mm)× 25.4” (645 mm)× 44,5 mm (1-3/4")× Yes× Body Size Grand OM Top Wood Sitka Spruce Neck Width at Nut 42,9 mm (1-11/16") Show (0) Cancel No Results Found The page you requested could not be found. Try refining your search, or use the navigation above to locate the post.