Pirastro Obligato Cello String Set (A–D–G–C) — Synthetic-Core Warmth, Stage-Ready Stability (Medium)

The Pirastro Obligato Cello Set is a modern classic for players who crave gut-like richness with rock-solid reliability. With synthetic multifilament cores tuned for warm, dark tone and even response across the instrument, Obligato offers a smooth, full sound that stays consistent in changing humidity and temperature—ideal for orchestral and chamber musicians who need dependable performance night after night.

Set Voice & Balance

• A (aluminium wound): A singing top—focused, lyrical, never brittle.

• D (aluminium wound): Velvety midrange that blends naturally and carries with elegance.

• G (silver-based, high-density): Round, resonant low string with a focused, singing core.

• C (silver-based, high-density): Dark, noble foundation with powerful presence and sustain.

Playability & Everyday Use
Obligato responds quickly under the bow, rewards nuanced contact-point work, and feels soft under the fingers, reducing fatigue across long rehearsals. The set settles in promptly and delivers tuning stability and consistent articulation across varied environments—perfect for touring, pit work, and busy orchestral schedules.

Technical Specifications (Medium only):

• Core Material: Synthetic multifilament (all four strings)

• Winding: Aluminium on A & D; silver-based high-density on G & C

• Tension: Medium (all four)

• Ends: Ball ends (fine-tuner ready)

• Instrument Size: 4/4 cello

Who Is This Set For?
Intermediate to professional cellists who favour warm, mellow, complex tone with tonal consistency across conditions—from rehearsal to stage to studio. Especially effective for instruments that sound too bright on steel-core sets.

Final Word
Choose the Pirastro Obligato Cello Set (Medium) if you want the deep, dark warmth and smooth fullnessassociated with gut—paired with the stability, longevity, and confidence of a top-tier synthetic-core cello string set.