Ernie Ball 2722 Cobalt Hybrid Slinky 9-46
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What you need to know
What you need to know
- Modern and powerful sound : high output level, excellent precision, and sharper pick attack
- High magnetic induction cobalt alloy : more responsive than iron- or nickel-based alloys for a more detailed tone
- Hybrid gauge 9-46 : flexibility on the trebles and solid foundation on the basses, ideal for versatile playing
- Hermetic pouch : strings protected for a "fresh out of the factory" feel upon opening
Manufacturer Information
Ernie Ball
https://www.ernieball.com
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Safety manager:
Algam SAS
Email: contact@algam.net
Address:
Cobalt: a more direct response to your pickups
With the Slinky Cobalt, Ernie Ball offers a set of electric guitar strings designed for guitarists seeking more presence and definition. Thanks to cobalt's magnetic induction properties, these strings interact strongly with pickups, resulting in a stronger signal, clearer mids, and richer harmonics. The result: every nuance of vibrato, palm-mute, or picking stands out with more depth, whether you play clean tones, crunch, or modern distortions.
Technical specifications
| Tension | Medium | Draw | 9-11-16-26-36-46 |
| Type of cord attachment | Ball end | 1st cord pull | 9 |
| Category | electric | Nbr of strings | 6 |
| Classification | Hybrid | Material | cobalt |
| Number of strings | 6 | Gauge | 9-11-16-26-36-46 |
| Type | Cobalt Slinky Hybrid Slinky | Gauge (reminder) | 09-11-16-26-36-46 |
| Material / metal type | cobalt | Packaging | hermetic pouch |
Customer reviews
What customers say
Summarized and selected by AI from recent customer reviews
These hybrid guitar strings deliver brilliant sound with added crunch. Customers praised the excellent tone and long-term value. However, concerns were raised about the high E string's durability, with reports of breakage during installation and fragility over time. Some found the wound strings' feel unsatisfactory.
Review highlights
- “Brighter sound, adds a slight crunch to my guitar. Completely awesome.”
- “A good long-term investment”
- “Excellent string set”
Based on 8 reviews
- 4 stars, 0 reviews
- 1 star, 0 reviews
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I only played on Ernie and I wanted to test this hybrid game, I am really happy with it.
but having tried 2 games, the high E string is rather fragile in the long run which is a shame because I like to play on old strings, otherwise perfect!Automatically translated
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I only played on Ernie and I wanted to test this hybrid game, I am really happy with it.
but having tried 2 games, the high E string is rather fragile in the long run which is a shame because I like to play on old strings, otherwise perfect!Automatically translated
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Brighter sound, adds a slight crunch to my guitar. Totally awesome.
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A good long-term investment
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Market works well
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Questions frequently asked
What are the gauges of the Ernie Ball 2722 Cobalt Hybrid Slinky strings?
The set uses the gauges 9-11-16-26-36-46: the three high strings are light, while the low strings go up to .046.
Are the Cobalt 9-46 strings suitable for an electric guitar?
These strings are designed for electric guitar and feature ball ends. The set includes 6 cobalt strings.
What tone do Ernie Ball Cobalt strings provide?
Cobalt strongly interacts with pickups due to its magnetic induction properties. The resulting signal is stronger, with clear mids and rich harmonics. Vibrato, palm-mute, and picking nuances are thus more pronounced.
What does the Hybrid Slinky 9-46 gauge mean?
This setup pairs a first string at .009 with a sixth at .046. The hybrid classification indicates a combination of light gauges in the trebles and heavier gauges in the bass.
How are the Cobalt Hybrid Slinky strings packaged?
The set is packaged in a sealed pouch.



