Authentic Acoustic Flexible Core | Martin Guitar

A video overview of Martin's easy-to-play and rich-sounding strings.

With a combination of a thinner core and thicker wrap wire, Martins Authentic Flexible Core guitar strings offer lower tension for easier fretting and bending, while still delivering rich tones. Available in Custom Light (.011 – .047), Light (.012 – .054), Medium (.013 – .056), six-string sets and an Extra Light (.010 – .054) 12-string set, the phosphor bronze strings are made in Martin’s own string manufacturing facility. This video discusses some of the strings’ qualities.

Visit Martin Guitars!

Related Inside Look Posts

Milestone Guitars | Martin Guitar Martin Archives and Museum Manager Jason Ahner shows three special guitars from the company's museum. Read More

O’ahu HG-28 | Martin Guitar A brand-new model with a reduced-size dreadnought body celebrates Martin's history in Hawaiian music. Read More

Pro Tips with Dave Doll Episode 1 | Martin Guitar Martin's Manufacturing Manager discusses how to choose your first guitar. Read More

The Custom K-1 Major Kealakai | Martin Guitars Chris Martin introduces a historically significant guitar that served as a bridge in developing the dreadnought. Read More

Factory Tour | Martin Guitars A complete tour of Martin's Nazareth, Pennsylvania factory. Read More

Chris Martin IV Celebrates 50 Years | Martin Guitar Martin's former CEO and current Executive Chairman reflects on his 50 year involvement with the company and introduces two new commemorative models. Read More

GPCE Inception Maple | Martin Guitars Martin releases a highly innovative new guitar that uses skeletonized bracing, sonic channels, and domestic tonewoods. Read More

Madame De Goni’s Martin | Elderly Instruments A look at the oldest known example of a Martin with an X-braced top. Read More

Martin CEO 10 | Martin Guitar The first special edition guitar designed by Martin CEO Thomas Ripsam. Read More

Cutting a Bridge Slot | Elderly Instruments Joe Konkoly demonstrates cutting the saddle slot on a replacement bridge for a vintage Martin. Read More