Home›1970 establishments in Pennsylvania›Sigma Guitars🌐EnglishEnglishFrançaisPortuguêsРусскийEntityQ7512321· pop 5· linked from 158 articlesSigma GuitarsAmerican musical instrument brandWikidata factsOfficial websitewww.sigma-guitars.comImageSigma anniversary top close.jpgSources (2)en.wikipedia.orgen.wikipedia.orgvia Wikidata · CC0Available in 4 languagesPortuguêsNorwegianUkrainianvia Wikidata sitelinks · CC0ConnectionsC. F. Martin & CompanyCompanyheadstockEntityCategories1970 establishments in PennsylvaniaAcoustic guitars by manufacturerC. F. Martin & CompanyCompanies based in Northampton County, Pennsylvania