Martin Sigma Thin Body Acoustic-Electric Guitar Affordable, quality solid-top acoustic guitar from that world-famous guitar maker, Martin Guitar Company! You can't go wrong with this great Martin Sigma guitar. Playable and affordable, this masterpiece features the quality and playability that have made Martin the world's #1 name in acoustic guitars. Featuring a Solid Spruce top like that of much more expensive guitars, this model will give you great sound that gets better as the years pass by! Features include: Thin-body Auditorium size acoustic-electric guitar with Venetian cutaway Laminated spruce top Polished Gloss finish Scalloped X-bracing Laminated Mahogany back and sides Ebonized Rosewood bridge Chrome hardware 21 Frets, 25.4" scale Martin Sigma Thin Body Acoustic-Electric Guitar Regular Price: $480.00  RC Donation: $389.00       Home | What's New? | About Us | Information | Programs | Approaches | Education | Reference | News | Store | How to Help | Search