The Cobalt Series is clearly an improvement ernie ball regular slinky strings
Ernie Ball Coated Slinky electric guitar strings combine the latest ernie ball 5 string bass guitar technological advancements in string manufacturing. All wound strings are treated with a micro-thin layer of enamel that prevents decay and corrosion up to five times more than uncoated sets. In addition to treating the wound strings, each plain string features a rust-resistant plating along with a patented reinforcement winding of titanium wire.
The Cobalt Series is clearly an improvement on its classic ernie ball 5 string nickel-wound counterpart giving the player increased sustain, clarity and output. In addition, they resist sweat and moisture better and have unmatched flexibility when compared to other nickel wound strings.”Ernie Ball Cobalt Strings sound and feel better than anything I’ve ever played! You have to check these out!” – Slash.
Aluminum Bronze Acoustic Strings feature more projection and clarity than traditional bronze strings, while also providing improved corrosion resistance. Aluminum Bronze Acoustic Strings are made with Ernie Ball Maraging Steel hex cores and Aluminum Bronze wrap wire which provide more pronounced lows coupled with crisp brilliant highs.