MA140 di MARTIN & CO sono corde per chitarra acustica della serie 'authentic acoustic sp', caratterizzate da un avvolgimento in bronzo 80/20 di alta qualità su un nucleo estremamente resistente alla trazione ed alla corrosione. offrono un suono genuino ed equilibrato, stabilità dell'accordatura ed una grande suonabilità. a seguire ne elenchiamo le principali caratteristiche:

- modello: MA140
- materiale:

4/4 studio classic guitar, spruce table, strips and bottom in lime, handle and keyboard in birch, natural wood finish

acoustic guitar, vintage burst finish, spruce top, mahogany back and sides, roupanà keyboard

natural wood electrified acoustic guitar, spruce top, mahogany back and sides, roupanà bridge

brown sunburst electro-acoustic guitar cutaway 4/4

classical guitar in natural color in mahogany and cedar specially designed for students

3/4 classical guitar suitable for children and adolescents

set of 6 strings for classical guitar, mixed tension

set of 6 strings for classic yellow card guitar (yellow package), strong tension

set of 6 strings for classical red card guitar (red pack), high tension

set of 6 strings for classical guitar, high tension

set of 6 strings for classical guitar, normal tension