As well as gauge and core size affecting sound, the string coating also plays an integral part. Studio1VintageGuitar gauge acoustic guitar strings are easier on fingers, while heavier ones may require additional finger strength. Heavy 13s are often found on dreadnought and jumbo acoustic guitars for their increased volume and fullness. String gauge String gauge refers to the thickness of each guitar string measured in inches; as its name implies, thinner strings have smaller gauge numbers. A string gauge can alter how a guitar plays and responds to different musical genres and styles; hence, many players will switch between multiple sets of strings to suit their musical genre and playing…