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🎸 Elevate your sound with the power of Cobalt – because your tone deserves the edge.
Ernie Ball 7-String Power Slinky Cobalt Electric Guitar Strings (11-58 gauge) feature a revolutionary cobalt alloy that enhances magnetic pickup interaction, delivering extended dynamic range, rich harmonics, and balanced tone with strong lows and crisp highs. Engineered with a tin-plated high-carbon steel core, these uncoated strings are crafted in California for premium quality and durability, ideal for professional guitarists seeking superior output and clarity.















| Asin | B009YPC4YC |
| Best Sellers Rank | #3,283 in Musical Instruments (See Top 100 in Musical Instruments) #45 in Electric Guitar Strings |
| Body Material Type | Metal |
| Brand Name | Ernie Ball |
| Coating Description | Uncoated |
| Color | Power (11-58) |
| Customer Reviews | 4.6 4.6 out of 5 stars (286) 4.6 out of 5 stars |
| Finish Type | Uncoated |
| Global Trade Identification Number | 00749699127291 |
| Instrument | Electric Guitar |
| Item Type Name | Electric Guitar Strings |
| Item Weight | 1.28 ounces |
| Manufacturer | Ernie Ball Music Man |
| Manufacturer Part Number | P02729 |
| Material Type | Cobalt |
| Model Name | Power Slinky Cobalt |
| Model Number | P02729 |
| Number Of Items | 1 |
| Recommended Uses For Product | Electric Guitar |
| Set Name | Power Slinky |
| Sound Profile | Balanced with Enhanced Low End and Highs |
| String Gauge | .011 |
| String Material Type | Cobalt |
| Unit Count | 1 Count |
| Upc | 749699127291 |
| Warranty Description | None. |
User
The difference is night and day. Amazing strings.
Look, I don't leave reviews. It's usually a waste of time to me, but I had to leave one for these strings. Let me just say. Wow! Truly. Whatever strings I had before, are complete trash compared to these. I recently got an Ibanez 7-string, and I love it. But something about the sound was just...off. Heck, I even started looking at new pickups to buy! Then these came in. Strung em up, not thinking anything outside of it being time to replace my strings. Then I go to play. And (In Joe dirt voice) DANG!! The sound is so clear and vibrant!! 110% difference! I never would have thought that strings could make such a difference with the sound. It blew my mind. 100% recommend. No joke. If you own a 7-string, these are the strings to get.
User
Awesome strings!
These are my go to strings for my Music Man JPX 7. I actually use a regular cobalt slinky set then take the 58 from these, then string up a 6 string to D standard with the rest, but anyways;These are great strings. One of my problems with thicker lower strings is that they can very easily sound woofy or too flubby. Not sure if it's a thinner core or the cobalt material itself but these strings (particularly the low B) are ultra clear. I guess if I could sum their sound up in one word it would be punchy! I've tried most other strings out there except for the M steel and I just keep coming back to the cobalt slinkys!Regarding string life, I wouldn't say they are a long life set by any means but they do last longer than regular slinkys. I believe the plain strings are RPS, so nothng new there. Overall, a great string in my book!
User
All time favorites, brilliance, attack, clarity, stamina.
My go to strings, every time. They sound like no other, with an extra high/mid brilliance that gives a serious bite. They also last longer than any other kind I've tried in my 25yrs of playing. I love the balance that's offered in the gauge span, super comfortable to play. For reference, I'm tuned g#d#g#c#f#a#d# on a 98' rg7620, and the 11-58 set is perfect for me, some extra give especially on the bottom end, which I prefer as a dynamic bendy player.
User
Strings
Great
User
Came for nickel free, stayed for the best string feel
I've got a nickel allergy, these don't have nickel. That's how I started using cobalt strings, but these are simply the best. Silky feel, more durable than standard strings, and louder on the pickups. I wish more brands would start experimenting with cobalt because thus far, there's little comparison to what Ernie Ball is cookin.
User
Perfect strings, amazing price
These strings work great for GDGCFAD, they feel like silk compared to the Jim Dunlops I used to use. Now I switched all my guitars over to Ernie Ball Cobalts. They sound new even after several weeks of heavy playing.
User
High Quality strings for the money
Great choice for 7 string electric. I use these on my Jackson 7 string and they really make it sound good. They are a great sounding, long lasting string.
User
Fantasticas
Excelentes!
User
Reçu rapidement
Super son !
User
El mejor tacto y sonido que he provado nunca
El mejor tacto y sonido que he provado nunca
User
Verfügbarkeit
Schnelle Lieferung quasi immer VerfügbarSuper Preis
User
Holds up well to use
I always get these for the 7, great feel and they last well with repeated use.
User
Excelente calidad
Me encantan a muy buen precio y muy buena calidad
Trustpilot
1 month ago
3 days ago