D'Addario J812 3/4M A Violin Strings

A Reliable Replacement A String for 3/4 Scale Student Violins

The D'Addario Prelude Single A String, 3/4 Scale, Medium Tension is a standalone replacement string designed for 3/4 size violins, offering the same warm tone and durability that has made the Prelude line the educator's preferred choice for student strings. Built around a solid steel core with a pitch-stable alloy, this string provides the greatest longevity of all string core types while remaining unaffected by temperature and humidity changes. Medium tension is optimized to the needs of a majority of players, delivering excellent bow response and a warm, full sound. Scaled to fit a 3/4 size violin with a playing length of 310 mm, it is packaged in uniquely-designed sealed pouches that protect against the elements which cause corrosion. All D'Addario strings are designed, engineered, and manufactured in the USA at the company's New York production facility.

Technical Specifications

• String Designation: Single A string
• Instrument: Violin, 3/4 scale
• Playing Length: 310 mm (12 1/4")
• Tension: Medium
• Core: Solid steel core with pitch-stable alloy
• Ending: Ball-end with solid blue silking
• Packaging: Uniquely-designed sealed pouches for corrosion protection
• Origin: Designed, engineered, and manufactured in the USA (New York)

Who This String Is For

Students, educators, and parents who need a reliable, affordable replacement A string for a 3/4 size violin will find this single string a practical choice. Medium tension suits a majority of players, making it ideal for beginning violinists working through method books as well as advancing students who need a single replacement without buying a full set. Orchestra directors and private teachers frequently recommend Prelude because the strings hold tuning well and deliver a consistent sound across an entire section. The solid steel core construction is resistant to humidity and temperature changes, which means the string stays stable whether the instrument is stored in a heated practice room or transported to cooler outdoor performances. Suitable for classical, fiddle, jazz, and alternative styles, this single A string is a practical upgrade from factory strings that often come bundled with entry-level violins.