Detail 01
Extra-heavy gauge
D'Addario describes extra-heavy strings as providing even more projection and volume potential.

Independent shopping perspective
For 4/4 violins with a loop-end E-string setup, this Kaplan Golden Spiral Solo Series version pairs solid steel construction with an extra-heavy gauge. Within the Kaplan range, D'Addario assigns extra-heavy strings still more projection and volume potential than heavy strings. Choose it when that greater output potential is the specific requirement.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
D'Addario describes extra-heavy strings as providing even more projection and volume potential.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is scaled for a 4/4-size violin.
D'Addario describes it as offering more projection and volume potential than the heavy option.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.