Ernie Ball 2721 Reviews

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3 years ago

No Brainer

What can I say, its Ernie Ball. For the money unless you want coated strings these are the standard for me. The Cobalts have such a crisp and powerful sound from top to bottom. I have always relied on Ernie Ball strings and find these are really durable and very rarely break, I play mainly rock and metal so their great punchy sound makes these the set i return to every time.

4 years ago

Very good strings

I use these strings as I have an allergy to nickel and these are safe on my skin. They also happen to sound very good, powerful and have a good lifespan.

4 years ago

The most durable strings

These are my favorite strings so far, great sound, durability and strength. Regular strings Ernie Ball are also good, but their durability does not suit me, since I play mostly downstrings, then my sixth string often breaks, I don’t know why, perhaps the problem is in the angle of the brigade or in the string, but this is not important, the important thing is that cobalt strings are much stronger, louder and have a richer sound, when lowering the tuning to drop A, they sound great on the Gibson scale. I will use these strings as long as I have enough money for them, and if I don’t have money for them, then I will save up, because these are the most metal strings ever !!!

4 years ago

Interesting timbre, darker color than standard.

The sound has become clearer, brighter and louder. Hopefully the statement that cobalt increases string life without sacrificing sound quality is also true. I wonder if there is a function supplement a review? ))

4 years ago

Best Strings

They’re the best strings you can buy. IF you have money - they need to be replaced once a month if you play everyday because they pick up all the grime on your fingers. BUT they sound amazing!

4 years ago

Cobalt is cool.

But that is just my opinion.

Sound great to me, no complaints.

5 years ago

très bon choix pour tous les styles

un compromis parfait pour garder les qualités d'un tirant fort comme la stabilité et la puissance et pour avoir la facilité et la souplesse de jeu des tirants faibles . bon équilibre basse - aigu en haut et en bas du manche.

la couleur du son est bien sur métallique mais assez neutre pour respecter les caractéristiques d'une guitare (et d'un ampli)

5 years ago

Consistently good

Great, consistent sound for Les Paul rock riffing. I trust Ernie Ball strings to deliver consistently.

5 years ago

good strings

good strings with a very different feel

5 years ago

Simply the best strings.

I've played these strings for, I think, over decade now.

Clarity, sustain, tone, longevity all is there. They withstand heavy vibrato use, divebombs or what ever through at them. Some of my guitars are Floyd Rose equipped, some have vintage tremolos, I use Slinky Cobalts on all of them. Nothing sounds as good as them. I'm spoiled.

6 years ago

Perfect!

Im using with a Gibson Les Paul Studio and sounds *****

6 years ago

Cobalt Rules!

Metal Players!

Dnt miss this

7 years ago

Excellent strings!

These were the first set of strings (although in 009 gauge) that were a bit more expensive than the usual low end strings and I just loved the clarity and extra output I got from the strings. Have tried nanowebs, Paradigms and MSteels since then, but they don't seem to be worth the extra money compared to these.

7 years ago

Great strings

If you have sweaty hands, these strings are great because they will grip your fingertips.

The down side is that the wound strings will wear out the nuts slots of your guitar really fast.

8 years ago

Bright, loud but a bit lack of midtone and warmth

These strings sound brighter than the regular slinky's, louder and a bit more aggresive. I tought those strings would be my partner for a more rock/metal style I play . First I was happy with their sound and they last a bit longer than the regular slinky's but after a while noticed I missed the warmth that the regular slinky's gave me so I switched back to the regular ones

8 years ago

Slinky for Grownups

We all played Ernie Ball classic Slinkies.. they were cheap, Didn't Break that often and were generally the most affordable name brand strings. These Strings are the Big brother to the ones you Grew up with. Smooth feeling to the touch (a bit Lie Elixers) and they Sound Amazing.. Lots of Clarity and a tight low end.. very evenly voiced..

I have a Very neutral sounding strat which I like. I needed strings to match that. Bright Strings make the Sound thin.. and Flabby Bottom end makes it sound muddy. This was exactly what I needed. I purchased 9s but they have great sustain and a big sound like 10s .. Im very happy with my purchase.

8 years ago

Try it, it can change your life...or not..!

Really nice strings, they can add the 'final touch' to your sound!

It's a nice experience to test them, I usually play regular slinky since a long time, the cobalt are different in many ways so it's difficult to explain. I tried them with different amps systems and sometimes it's very very good, sometimes I still prefere the slinky so, in regard with the price, i will continue with slinky..

So if you are looking for a 'little I don't know what' in your sound maybe you'll find it in these strings which deliver high quality sounds. Try it!

9 years ago

Aswome

these strings are aswome. i use this strings almost religiously now there that good, you can hear a difference even acoustically with these compared to the standard Ernie balls they just sound so much brighter clearer and louder than the regular ones.

10 years ago

They sound good, but not for long.

When I first strung up a guitar with these, they felt pretty nice and sounded clear and crisp! but after about two days the seemed to loose their shine and the tone dulled down. So I don't think they are worth the price of two sets of ordinary strings, for me, ordinary strings last longer!

11 years ago

Actually sound rather splendid

I was a bit sceptical that I would notice any difference between these super-duper cobalt strings against the standard regular slinkys that I normally use, but I thought I may as well give them a bash. Having strung up my Gretsch with them I was actually pleasantly surprised, they sound really bright without being harsh, and they also feel really great. Made a believer outta me! I'm a cobalt guy from now on....

Image Ernie Ball 2721

Technical Data

  • Manufactured by Ernie Ball
  • Released in 2012
  • Average price : $12
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