Gear article
D'Addario EXL158 Nickel Wound Baritone Guitar Strings
The D'Addario EXL158 is a set of nickel-wound strings specifically designed for baritone guitars, featuring a 'Light' gauge range of .013 to .062. Part of the popular XL Nickel Wound series, these strings are known for their bright, distinctive tone and reliable intonation across various playing styles.

Overview and Construction
The D'Addario EXL158 set is engineered for the extended scale lengths and lower tuning requirements of baritone guitars. The construction utilizes a high carbon steel core that is precision-drawn into a hexagonal shape. This core is then wound with nickel-plated steel.
The hexagonal core is a critical design feature, as it allows the wrap wire to grip the core securely for improved durability and consistent intonation. D'Addario also employs environmentally friendly packaging for these sets, which serves the dual purpose of reducing waste and sealing the strings to prevent corrosion before they are opened.
Tonal Characteristics
As part of the XL Nickel Wound range, the EXL158 is characterised by a bright and clear fundamental tone. The nickel-plated steel wrap provides a balanced output that suits a wide variety of musical genres. While they offer the brightness necessary for clarity in lower registers, they also maintain a 'distinctive' character that facilitates complex harmonic content, whether the player is strumming, picking, or plucking.

Performance and Versatility
These strings are marketed as a 'player's choice' due to their ability to handle diverse techniques. The tension of the .013–.062 gauge is specifically calibrated to remain stable under the high-stress demands of baritone tuning while remaining flexible enough for string bending and intricate fretting work. The precision winding ensures that the intonation remains accurate across the entire length of the fretboard.
Target Audience and Comparison
The EXL158 is primarily intended for guitarists using baritone instruments or standard guitars modified for significantly dropped tunings (such as B-standard). Compared to standard electric sets like the Ernie Ball Regular Slinky (10-46) or the Tim Henson Signature Slinky (9.5-46), the EXL158 provides the significantly higher mass required to maintain string tension at lower pitches. While D'Addario produces other specialised strings like the Zyex or Helicore series for bowed instruments, the EXL158 remains a staple for modern electric guitarists seeking a reliable, bright-sounding baritone set.
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Frequently asked questions
- What is the specific gauge range of the D'Addario EXL158 set?
- The EXL158 set features a 'Light' baritone gauge ranging from .013 for the highest string to .062 for the lowest string.
- What materials are used in the construction of these strings?
- These strings are made from nickel-plated steel wound over a high carbon steel core.
- What is the significance of the hexagonal core?
- The hexagonal core is precision-drawn to ensure the wrap wire grips the core tightly, which improves intonation and increases the string's overall durability.
- For which instrument type is the EXL158 designed?
- This set is specifically designed for baritone guitars, which typically have longer scale lengths and are tuned lower than standard guitars.
- How does the tone of the XL Nickel Wound series compare to others?
- The XL Nickel Wound series is known for its bright, distinctive tone and excellent intonation, making it a versatile choice for many genres.
- Are these strings suitable for different playing styles?
- Yes, they are designed to handle various techniques including bending, strumming, fretting, picking, and plucking.
- What measures has D'Addario taken regarding packaging?
- D'Addario uses environmentally friendly packaging that is designed to reduce waste and protect the strings from corrosion over time.
- Can these strings be used on a standard electric guitar?
- While technically possible, the .013-.062 gauge is much heavier than standard sets and usually requires a baritone scale length or significant nut and bridge adjustments on a standard guitar.
- What is the typical price for a set of EXL158 strings?
- The typical price for this string set is approximately GBP 10.00.
- Does the nickel plating affect the lifespan of the string?
- Yes, the XL Nickel Wound range is specifically designed to be long-lasting while maintaining its bright tonal characteristics.
- How do these compare to Ernie Ball Slinky strings?
- The EXL158 is a dedicated baritone set (13-62), whereas common Ernie Ball sets like the Regular Slinky are lighter (10-46) and intended for standard guitar tuning.
- Are these strings wound or plain?
- The EXL158 set features wound strings utilizing nickel-plated steel, though the specific number of wound vs plain strings follows standard baritone configurations for the 13-62 gauge.
