D'ADDARIO EJ39 12-STRING PHOSPHOR BRONZE ACOUSTIC GUITAR STRINGS MEDIUM 12-52
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Manufacturer Information
D'addario And Co
https://www.daddario.com
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D'Addario Europe Ltd
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A Medium Set Designed for Powerful Rhythms
The D'Addario EJ39 strings are made for 12-string guitarists who want to attack boldly: strong strumming, dynamic rock/folk rhythms, accompaniments that need to fill the space. Their Medium gauge provides a firmer response under the fingers and excellent projection, while maintaining the singing and full-bodied character typical of a 12-string acoustic.
Phosphor Bronze: Warmth, Brightness, and Balance
Introduced by D'Addario in 1974, phosphor bronze has become a benchmark for achieving a sound that is simultaneously warm, bright, and balanced. On this EJ39 set, the combination of corrosion-resistant phosphor bronze winding and a high-carbon steel hex core promotes precise attack, clear chord definition, and convincing note sustain, even during intense playing.
Technical specifications
| Format | standard |
| Type of cord attachment | Without |
| Category | acoustic |
| Nbr of strings | 12 |
| Color | Bronze |
| Brand | D'Addario |
| Model | EJ39 |
| Type | 12-string acoustic guitar strings |
| Material | phosphor bronze (windings) |
| Core | high-carbon steel hex core |
| Gauge | Medium |
| Caliber | 12-52 |
| Detailed gauges | Plain steel.012/.012,.016/.016, Phosphor bronze winding.025/.010(p),.032/.014(p),.042/.020(p),.052/.030(w) |
| Tone | warm, bright, and balanced |
| Recommended use | powerful rhythms, strumming, aggressive pick playing |
| Packaging | eco-friendly and corrosion-resistant |
| Origin | made in the USA |
Questions frequently asked
Are the EJ39 12-52 strings suitable for a 12-string acoustic guitar?
This set includes 12 strings and is specifically designed for 12-string acoustic guitars. Its Medium 12-52 gauge provides a firmer tension under the fingers.
What tone do the EJ39 phosphor bronze strings produce?
The phosphor bronze winding delivers a warm and bright tone with clear chord definition. The material is corrosion resistant.
Is the 12-52 gauge appropriate for heavy strumming?
With its 12-52 gauge, this set is suitable for powerful rhythm playing and strong strumming. The firm response enhances pick attack. The projection is designed to fill the space in rock or folk accompaniments.
What is the construction of the D'Addario EJ39 strings?
The wound strings combine a phosphor bronze winding with a high-carbon steel hex core. This construction promotes attack and note sustain.
Where are the EJ39 strings made?
They are manufactured in the United States, with eco-friendly packaging resistant to corrosion.



