Ernie Ball 2735 Cobalt Extra Slinky 40-95
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Information
Information
Manufacturer Information
Ernie Ball
https://www.ernieball.com
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Algam SAS
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A bass string set designed to surprise, from studio to stage
Who said everything had already been invented in bass strings? With the Slinky Cobalt, Ernie Ball offers a different approach: the Cobalt alloy provides a magnetic induction superior to iron or nickel-based alloys, resulting in a more immediate response feel and a more present signal. To achieve this formula, over 350 alloys were tested in collaboration with artists like Metallica, Slash, John Petrucci, Randy Jackson, and Tony Levin. The result: a set that combines Extra Slinky comfort and a pronounced sonic character, with greater definition in the mix, highlighted harmonics, and a particularly clear impact when attacked with a pick.
Technical specifications
| Tension | Extra soft | Draw | 40-60-70-95 |
| Type of cord attachment | Ball end | 1st cord pull | 40 |
| Category | 4-string bass | Nbr of strings | 4 |
| Classification | Extra light | Material | cobalt |
| Model | Ernie Ball 2735 Cobalt Extra Slinky | Gauge (4-string set) | 40-60-70-95 |
| Instrument | Bass | Sound Behavior | higher output level, clearer and more defined mids, richer harmonics, sharper pick attack |
| Type | Cobalt Slinky | Packaging | hermetic pouch (protection and freshness upon opening) |
| Metal Type | Cobalt | ||
Questions frequently asked
What is the gauge of Ernie Ball 2735 Cobalt Extra Slinky strings?
The set uses gauges .040, .060, .070, and .095 for 4-string bass. This Extra Slinky configuration is classified as extra light with extra soft tension.
Are the Cobalt 40-95 strings suitable for a 4-string bass?
This set is designed for a 4-string bass and includes four ball-end strings. The full gauge is 40-60-70-95.
What sound do cobalt bass strings produce?
The cobalt alloy provides higher output thanks to its magnetic induction, which is claimed to be superior to iron- or nickel-based alloys. The mids gain in definition and the harmonics are richer. The pick attack is also sharper.
Are these strings flexible under the fingers?
With a first string gauge of .040 and an extra light classification, this set has extra soft tension.
How are Cobalt Slinky strings packaged?
Each set is packaged in a sealed pouch designed to ensure protection and freshness until opening.



