Godin Guitars ACS NYLON Electric/Acoustic Guitar (KOA Extreme HG)The ACS KOA Extreme blends classical guitar concepts with elements of solid body design. The incredibly comfortable neck of the Multiac ACS KOA Extreme , combined with a Silver Leaf Maple body with basswood wings & a cedar top with highly figured KOA leaftop, contribute to making this guitar a true gem. Although the body is chambered, the response from the top is more typical of a solid body design than a traditional acoustic guitar. This design