Item #1566896 Model #PERP420021

Pirastro Perpetual Series Viola String Set 16+ in., Medium


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Viola string set designed for volume, articulation and projection.

Thanks to innovative materials and production methods, the Perpetual Series Viola strings provide a tonal fullness and radiance with a reliability that allows the player to trust in the strings tuning stability immediately upon installation. Designed for volume, carrying power and a precisely focused projection, the clarity of sound remains just as powerful from extreme squeals to the most sensitive whisper. Perpetual viola strings react in an ideal way to the finest nuances in bow speed and pressure enabling the musician to play with an extreme range of dynamics and expression. The innovative core material allows a comfortable smoothness during legato, shifting, string crossings, double stops and chords.
  • 320121 A string: Medium gauge, steel core, chrome steel wrapped with ball end
  • 420221 D string: Medium gauge, synthetic core, silver wrapped with ball end
  • 420321 G string: Medium gauge, synthetic core, silver wrapped with ball end
  • 320421 C string: Medium gauge, rope core, tungsten wrapped with ball end


  • 4/4 size
  • Medium (Mittel) gauge
  • Ball end
  • Vast tone volume
  • Clearly focused sound projection
  • Optimal response
  • Instantly reliable tuning stability
  • Enhanced playability