D'Addario H512 4/4M D 4/4 Cello Strings

Helicore Cello Single D String — Clear, Warm Tone for Full-Size Cellos

The Helicore Cello Single D String is a 4/4 scale, medium tension replacement string designed for full-size cellos. Built on D'Addario's stranded steel core technology, this D string produces a clear, warm tone with quick bow response and excellent pitch stability. The stranded steel core contains steel wires braided together into a cable core, blending strength and flexibility for a balance of clarity and tonal complexity. Sold individually, this single D string lets cellists replace a worn or broken D without committing to a full set. All D'Addario strings are designed, engineered, and manufactured in the USA using core technology developed in-house at the company's New York production facility.

Technical Specifications

• Number of Strings: 1 (Single D String)
• String Name: D
• Size: 4/4 (Full-Size Cello)
• Tension: Medium
• Core: Stranded Steel
• Ending: Ball End
• Compatible With: Cello
• Country of Manufacture: USA (New York)

Who Is This String For?

The Helicore Cello Single D String is the right choice for cellists who need a reliable replacement D string with a clear, warm tone and quick bow response. Students, intermediate players, and professionals can all benefit from the stranded steel core's blend of strength and flexibility, which provides excellent pitch stability and longevity. The medium tension offers a balanced feel under the bow, suitable for a wide variety of musical styles from classical to contemporary. The ball-end construction allows for fast installation on standard cellos fitted with ball-end tailpiece anchors. As a single replacement string, it is ideal for cellists who only need to replace a worn D string without purchasing a complete set.