Similar Products

Overview

Sigma started as a lower-end import brand for Martin in the '70s. The DR-7 was a dreadnought with Rosewood back and sides (hence the DR in the title). Sigmas were built in Japan from 1970 until 1983, and those from this era as considered the best. 

Years of Production: 1970 - 2007

Wood Composition: Rosewood back and sides, Spruce top

Product Specs

Brand
Model
  • DR-7
Finish
  • Sunburst
Year
  • 1970 - 1983
Made In
  • Japan

From the Price Guide