A yellow circular logo with the text "CELLO-STRINGS.com" in bold orange letters. One end of the circle includes a small spiral detail, resembling a cello string.
Square product packaging for Thomastik-Infeld Spirocore strings, featuring a pink background with a decorative spiral design and bold black text at the top. The brand name and origin are in a white box at the bottom left.

Please note, the image may differ from the product description. For instance, the image could display a set while you are ordering a single item.

Thomastik-Infeld Spirocore D String

Thomastik

$51.39

Medium chrome D string with a spiral steel core, offering a warm, focused tone and fast response. Balances clarity with durability, making it ideal for players who need reliable projection and stable tuning across a wide dynamic range.

Available Sizes: 4/4
String Selection: D String

Description

Reliable Tonal Balance and Smooth Transition
The Spirocore medium chrome D string (S27) is engineered for seamless integration between the brighter A string and the darker G and C strings. It delivers a warm, stable tone with excellent articulation, allowing players to express subtle phrasing or bold dynamics with equal control.

Flexible Core, Fast Response
Built on Thomastik-Infeld’s signature flexible spiral steel core, the D string responds instantly to bow pressure and maintains pitch stability under intensive use. Chrome winding ensures durability and a clean, focused sound, making it a trusted choice for soloists, ensemble performers, and educators alike.

Ideal For:

  • Cellists seeking consistent tonal character between strings
  • Performers who require quick response and tuning stability
  • Players using mixed sets or pairing with tungsten or silver wound lower strings
  • Studio musicians and live performers needing endurance-tested reliability

Performance Insight
The Spirocore D string plays an essential supporting role in full sets and hybrid string configurations. Its design supports powerful projection in the midrange, helping carry sound in both intimate and large performance spaces.

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