D’Addario 80/20 Bronze Acoustic Guitar Strings

Medium (13-56) EJ12

Powerful Projection with Rich, Balanced Tone

EJ12 medium gauge 80/20 bronze strings deliver robust volume and full-bodied tone with enhanced low-end response. The perfect choice for players who demand maximum projection and sustain while maintaining excellent playability.

Technical Specifications
String Type	80/20 Bronze Wound Acoustic
Gauge Configuration	Medium (13-17-26-35-45-56)
Core Material	Hex-shaped steel core
Winding Material	80/20 bronze (80% copper, 20% zinc)
Total Tension	189.1 lbs (Standard Tuning)
Packaging	Single set
Manufacturing	Made in USA, ISO 9001 Certified
Recommended For	Strong projection needs, alternate tunings, dreadnought and jumbo guitars

String Gauges

.013High E.017B.026G.035D.045A.056Low E

80/20 Bronze Alloy

80% copper, 20% zinc winding delivers bright, crisp tones with sparkling highs and quick response, characteristic of classic acoustic recordings.

Hexagonal Steel Core

Precision hex core provides maximum winding contact for improved tuning stability, sustain, and consistent intonation.

Enhanced Tension

Medium gauges (13-56) offer increased volume and fuller low-end response for powerful projection.

US Manufacturing

Crafted in the USA using ISO 9001-certified processes with four generations of string-making expertise.

Precision Winding

Computer-controlled winding tension ensures uniform response across all strings for balanced performance.

Dynamic Acoustic Voice

Powerful, articulate sound with enhanced bass response that excels in both strumming and flatpicking styles.