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Ernie Ball 2813 Hybrid Slinky Flatwound Electric Bass Guitar Strings - .045-.105

.045-.105 4-string Flatwound Electric Bass String Set
$49.99

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Ernie Ball 2813 Hybrid Slinky Flatwound Electric Bass Guitar Strings - .045-.105
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Next-gen Cobalt Flatwound Bass Strings

Ernie Ball Hybrid Slinky Flatwound Bass Strings combine the silky feel of traditional flats with the power of Cobalt. Cobalt strings are made with a modern alloy formulation that attracts the magnets in your pickups better than other alloys, delivering higher output, better sound, and longer string life. Featuring a SuperBright Cobalt ribbon wrap, Cobalt under-wrap, and an optimized hex-core/wrap ratio, Ernie Ball Slinky Flatwound bass strings combine the smooth feel of flats with the growl and brightness of rounds. Bassists at Sweetwater love Ernie Ball Slinky Flatwound Bass Strings. We’re confident you will too.

Incredible comfort and playability

When you string up with Ernie Ball Flatwound Bass Strings, you’ll immediately notice the incredible comfort these strings offer. They’re silky and pliable under your fretting fingers and provide just the right amount of string tension whether you’re plucking or picking, letting you execute fast passages effortlessly. And on a fretless bass — let’s just say you’re in for a treat! Plug in, and you’ll immediately notice increased power, beefy yet defined lows, improved midrange focus, harmonics, and sustain, and crisp highs.

Cobalt formula gives you higher output and better sound

In the 1960s, Ernie Ball practically invented “rock” guitar strings. And now, with Cobalt, they’ve reinvented them. After exhaustive testing of over 350 alloy combinations, the company ended up with an optimal formula that — as compared with conventional strings — gives you higher output, beefier lows with increased definition, improved midrange focus, shimmering harmonics, and more robust sustain. You get a brighter sound without inducing harshness by turning up the treble.

Ernie Ball 2813 Hybrid Slinky Flatwound Electric Bass Strings Features:

  • Punchy, bright, high-output strings
  • Beefy lows with increased definition and growl
  • Increased midrange focus, harmonics, and sustain
  • Longer-lasting than conventional strings
  • SuperBright Cobalt ribbon wrap, Cobalt under-wrap
  • Optimized hex-core/wrap ratio
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Tech Specs

  • Guitar Type: Electric Bass
  • Number of Strings: 4
  • Coated: No
  • Gauges: .045, .065, .085, .105
  • Winding Type: Flat Wound
  • Core Material: Hexagonal Steel
  • Winding Material: Iron/Cobalt Alloy
  • Scale Length: Long
  • Manufacturer Part Number: P02813

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Customer Reviews

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Rated 5/5

My Favorite Flats!

I have these Flats on one of my Precision basses and they're great. You do get the sound of a round but with more thump and body to your sound. This set also gets better as they age because they mellow out while maintaining their definition.
Music background: Bass man
Rated 5/5

EB Cobalt Slinky Flatwounds

These are my go to strings for my Modern Player Plus Precision and my Yamaha TRBX 174.Great sounding and for me the tension is just right.
Rated 5/5

Slinky Round Wound Bass Strings

I am delighted with the new flat wound bass strings I bought from Sweetwater They put a real zest in my enthusiasm for my electric bass. I was using regular round wound bass strings and lost my love of playing! It's like a different guitar. My fingers slide effortlessly up and down the entire range of the fret board, I maybe wrong but I believe it's the cobalt winding inner and outer wraps that give them such a great quality. Thanks Sweetwater, I'm very pleased!
Music background: Amateur
Rated 5/5

Great Sounding Flats

I was looking for flatwound strings that still had a bright sound. I prefer the feel of flats, but want more high end than traditional flats provide. These fit the bill. Great sound, and great feel.

The only downside I've seen is that they do get a bit sticky during gigs, requiring a wipe with a towel. Not sure if that's just my hand sweat interacting with the cobalt, or of it's common problem.

Overall, very happy with these strings.
Rated 5/5

Great strings

Loved the flat wounds. Made my bass play very fast and smooth. Great strings.
Music background: Long time electric guitar player.
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