The Sigma GJA is a jumbo with solid spruce top and maple back and sounds. The maple creates a bright and present sound which sits beautifully with the size of the jumbo body. The jumbo gives you a big and pronounced low-end with a slightly scooped mid which makes it great for singer/songwriters and strumming style players. With the on-board Fishman sonitone pickup system you’ll be ready to play any gig. It’s got a volume and tone control to give you the truest acoustic sound possible. Join the Sigma family Sigma Guitars was launched in 1970 and has since established an excellent reputation amongst musicians. They produce outstanding quality guitars with solid construction and amazing sound quality. Sigma pay their undivided attention to every step of the construction process with specially trained staff in the most efficient guitar factories in China. Sigma guitars are very popular. There are forums, websites and fanpages dedicated to them and its rare to see a second hand one on the market. All of that speaks volumes about the quality and care that goes into making them and how well they play and with a wide range to choose from you’re sure to find a guitar that works for you.