Description
Cobalt alloy is Ernie Ball’s answer to guitarists who want their pickups to actually hear what they’re playing. Compared to older winding materials, cobalt forms a tighter magnetic bond with your pickups, which translates into a wider dynamic range – you get real low-end weight alongside highs that stay articulate instead of turning brittle at volume.
The Hybrid Slinky set splits the difference between light and heavy gauges, pairing a slinky top end with beefier wound strings below. That combination gives you the easy bendability guitarists love on the treble side, plus the tuning stability and low-end push needed for drop tunings or heavier riffing, all in one set.
Beyond the tonal upgrade, Cobalt strings have a noticeably smooth, silky feel under the fingers, which makes fast runs and wide bends feel less like work. Whether you’re chasing sparkly clean tones or need extra clarity for high-gain rhythm parts, this alloy responds with detail rather than mush.
- Gauges: .009, .011, .016, .026, .036, .046
- Cobalt alloy wrap for stronger pickup response and extended dynamic range
- Soft, silky feel for smoother bending and playability
- Hybrid Slinky gauge set – light top strings, heavier wound strings
- Single pack, Ernie Ball part number 2722
Stock up on a set that gives your pickups more to work with, from String Central.





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