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Gibson.com  >  Products > Accessories > Gibson Gear > Strings > Acoustic Strings > Masterbuilt Premium

acoustic guitar strings

The type of acoustic guitar string that you use greatly affects the overall sound of your guitar. Nobody knows that better than Gibson Strings. We actually invented the first metal strings for guitar in 1927, and introduced the Phosphor Bronze alloy for acoustic guitar to the world in 1932! We make a full line of acoustic guitar strings that utilize the highest quality alloys to satisfy the most demanding player.

masterbuilt premium

Phosphor Bronze Wound
Top-quality acoustic guitar strings designed specifically for Gibson Montana's flat top guitars. Masterbuilt strings help you pull the natural, expressive tone from your acoustic guitar. Each set is vacuum sealed for freshness and extended life.

StyleModel No.GaugeE-1stB-2ndG-3rdD-4thA-5thE-6th
MasterBuilt SAG-MB10 Super Ultra Light .010 .012 .022w .027w .036w .047w
SAG-MB11 Ultra Light .011 .014 .024w .033w .040w .050w
SAG-MB12 Light .012 .016 .025w .034w .041w .052w
SAG-MB13 Medium .013 .017 .026w .035w .045w .056w