Ernie Ball Flatwounds - Very pleasantly surprised! Cobalt Flats are A+++ on a StingRay

Currently, the only Ernie Ball flats I'm using are the Group IV's that the factory put on my Schecter Stiletto Studio 4-FL fretless bass. They're pretty well broken in, and on that bass? I like them. A very "modern", mid-range-y tone that the active electronics can really work with. Plus, they're flexible enough to work well on a fretless - but stiff enough for me to play with a pick. I'm used to playing really stiff flats that way; really flexible strings throw me off... Yeah, I know you're not "supposed" to play a fretless bass with a pick, but it's a lined fretless, and I usually play it like it has frets, anyway So... :whistle:
As for the Slinky Cobalt Flats? I thought I had a couple sets of them (40-95 and 45-100), but for several years I didn't have a bass I wanted to try them on. The chance came when the old, salvaged set of D'Addario Chromes I had on a G&L ASAT Bass finally gave up the ghost. Unfortunately, turned out that my Slinky Cobalts - weren't Slinky Cobalts. They were very cleverly packaged counterfeits. So, into the dumpster they went, and the ASAT bass wears Fender 9050L's... And, TBH? The Fenders are just about as bright a flat as I want, anyway. Plus, every bass I own currently wears strings I like, and I'm too lazy - and not curious enough - to pull perfectly good flats off a bass, just to see if I might like some other strings. Which, from everyone's description of the Slinky Cobalts, I probably won't, anyway... :cool:
 
have them on the bass in my avatar and on my fretless DP. I really like them. I am not a huge fan of old-skool style flats, so I've never tried the group line, but I have never read anything bad about them.
 
How do they (Cobalt Flats) compare tension-wise to normal 45-105 Nickel Slinkys? Flats usually are a bit stiffer than rounds.
I recently put Cobalt Flats 45-100 [aka Slinky Flats] on my Special 4H replacing OEM Slinky's 45-100 roundwound

They are a tad stiffer but didn't have to reset neck relief after change
 
I recently put Cobalt Flats 45-100 [aka Slinky Flats] on my Special 4H replacing OEM Slinky's 45-100 roundwound

They are a tad stiffer but didn't have to reset neck relief after change
Thanks, this helps! I have a new Stingray Special 5 and found the OEM Nickel Slinkys to be really stiff for my fretting hand. I now changed the strings to DR Lo Rider Nickels, which I know well from my P-Bass, and was surprised that they too feel a bit stiffer than what I'm used to on the P-Bass. So now I'm afraid that even the 45-100 will be too much for me. Strange.
 
I use the EB Cobalt 45-100 flats on my modified Fender Jazz. Combined with the Kent Armstrong Lipstick Single Coil pups and Audere Pro JZ3 - 2 Band, the sound is off the charts! I've tried several roundwound & flats on this bass & the EB Cobalt's are the keepers! IME, the tension on the 45-100 are comparable to 45-105 DR Lo-Rider S/S which was my previous favourite string. And the neck didn't need adjustment.
 
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