D'Addario H413 LM Viola Strings

Helicore Viola G String: Silver-Wound Steel Core for Full-Size Violas

The D'Addario Helicore Viola Single G String, Long Scale, Medium Tension is a replacement G string built for full-size violas with a body length of 16 inches or more. At its heart sits a multi-stranded steel core — individual steel wires braided together into a flexible cable — which gives the string its characteristic quick bow response and a clear, warm tone. The smaller string diameter, compared with traditional solid-core designs, makes the Helicore G easy to set on the bridge and quick to speak under the bow. A silver winding over the stranded core shapes the tonal profile with a focused, warm character that works for both solo repertoire and ensemble playing. Every D'Addario string is designed, engineered, and manufactured in the USA under the company's own quality controls.

Technical Specifications

• String: G — single replacement string
• Core: Stranded Steel — braided steel cable core
• Winding: Silver wound
• Tension: Medium
• Scale: Long Scale — fits 16" violas and over
• Playing Length: approximately 380 mm (15")
• Ending: Ball End
• Compatible With: Viola
• Country of Manufacture: USA

Who Is It For

The Helicore Viola G String in Long Scale, Medium Tension is the right choice for viola players who need a flexible, responsive G string with quick bow response and a warm, focused tone. Built around a stranded steel core, it suits students and advancing players who want a string that settles in fast and holds its pitch once tuned — a common advantage of steel-core designs over synthetic-core alternatives. It works equally well for classical repertoire, fiddle and crossover styles, and electric viola playing where fast articulation matters. Medium tension offers a balanced feel that suits most instruments and bow weights, while the long-scale sizing covers full-size violas from 16 inches upward. The sealed-pouch packaging protects the string from corrosion during storage, so it arrives ready to install and play.