1. Introduction
This manual provides essential information for the installation, care, and maintenance of your D'Addario EJ15 Phosphor Bronze Acoustic Guitar Strings. By following these guidelines, you can ensure optimal performance and longevity from your strings.
2. Product Overview
The D'Addario EJ15 Phosphor Bronze Acoustic Guitar Strings are D'Addario's lightest gauge acoustic strings, designed for players who prefer a softer tone and easier playability. Introduced by D'Addario in 1974, Phosphor Bronze strings are renowned for their warm, bright, and well-balanced acoustic tone. These strings are precision wound with corrosion-resistant phosphor bronze onto a carefully drawn, hexagonally shaped, high carbon steel core, ensuring a long-lasting, bright sound with excellent intonation.

Image 1: Packaging for D'Addario EJ15 Phosphor Bronze Acoustic Guitar Strings, showing the brand, string type, and extra light gauge (.010-.047).
3. Setup: String Installation
Proper installation is crucial for optimal tone and string life. Follow these general steps for changing your acoustic guitar strings:
- Remove Old Strings: Carefully loosen and remove one old string at a time to maintain neck tension.
- Clean Fretboard: While strings are off, it's a good time to clean and condition your guitar's fretboard.
- Install New Strings:
- Insert the ball end of the new string into the bridge pin hole and secure it with the bridge pin.
- Thread the other end of the string through the tuning machine post.
- Pull the string taut, then bring it back around the post, creating a bend.
- Wind the string neatly around the post, ensuring each wrap goes below the previous one. Aim for 2-3 wraps on the plain strings and 3-5 wraps on the wound strings.
- Tune and Stretch: Tune the guitar to pitch. Gently pull each string away from the fretboard a few times to stretch it, then retune. Repeat this process until the strings hold their pitch.
- Trim Excess: Once stable, trim the excess string ends at the tuning machines.
For detailed visual instructions, consider searching for "how to change acoustic guitar strings" on reputable guitar maintenance channels.
4. Operating: Playing and Tone
D'Addario EJ15 strings are designed to provide a warm, bright, and balanced tone, ideal for various acoustic playing styles. Their extra light gauge offers reduced tension, making them easier to fret and bend, which can be particularly beneficial for beginners or players who prefer a lighter touch. The Phosphor Bronze winding contributes to a rich harmonic content and sustain.
5. Maintenance
To maximize the life and tone of your D'Addario EJ15 strings:
- Wipe Down After Playing: After each playing session, wipe down your strings with a clean, dry cloth to remove sweat, oils, and dirt. This prevents corrosion and buildup.
- Hand Hygiene: Wash your hands before playing to minimize the transfer of oils and grime to the strings.
- Proper Storage: If you remove strings for any reason, store them in their original corrosion-resistant packaging in a cool, dry place.
- Regular Replacement: Strings naturally lose their vibrancy over time. Replace them regularly (e.g., every 1-3 months depending on playing frequency) to maintain optimal tone and playability.
6. Troubleshooting
- Dull Tone: If your strings sound dull or lifeless, they are likely old and need replacement. Buildup of grime can also contribute; try cleaning them thoroughly.
- Buzzing: String buzzing can be caused by improper installation, low action, or a warped neck. Ensure strings are seated correctly and consider a guitar setup by a professional if the issue persists.
- String Breakage: Frequent string breakage can be due to sharp edges on the bridge saddle or nut, improper winding, or excessive bending. Inspect your guitar's contact points and ensure correct installation.
- Difficulty Staying in Tune: New strings require stretching. If tuning stability issues persist after stretching, check for proper winding at the tuning machines and ensure the nut slots are not binding the strings.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | D'Addario |
| Model | EJ15 |
| String Type | Acoustic Guitar Strings |
| Material | Phosphor Bronze (Wound), High Carbon Steel (Plain) |
| Gauge | Extra Light |
| Individual Gauges | Plain Steel: .010, .014; Phosphor Bronze Wound: .023, .030, .039, .047 |
| Tone Characteristics | Warm, Bright, Well-Balanced |
| Manufacturing Origin | U.S.A. |
8. Warranty Information
D'Addario products are manufactured to high standards. For specific warranty details regarding your EJ15 strings, please refer to the official D'Addario website or contact their customer support directly. General warranties typically cover manufacturing defects.
9. Support and Contact
Should you have any questions, require further assistance, or need to report an issue with your D'Addario EJ15 strings, please visit the official D'Addario website (www.daddario.com) or contact their customer service department. Contact information can usually be found in the "Support" or "Contact Us" section of their website.





