Martin
J-40
Acoustic· Martin jumbo
Martin 16" jumbo body — rosewood back, sitka spruce top. Warmer and more projecting than dreadnought, favored by singer-songwriters and fingerstyle.
Best strings for Martin J-40
Character-matched pairings, ordered by fit
Martin
Marquis Phosphor Bronze
12–54 · $9.49
Marquis delivers bright top for J-40 rosewood jumbo voice.
Brightness6
Warmth7
Sustain6
Durability4
Playability6
Value8
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Martin
Lifespan 2.0 Phosphor Bronze
12–54 · $11.99
Coated PB for touring J-40 players protecting jumbo investment.
Brightness6
Warmth8
Sustain7
Durability9
Playability6
Value8
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D'Addario
EJ17 Medium Phosphor Bronze
13–56 · $7.99
Medium 13-gauge pulls maximum body from J-40 16" jumbo.
Brightness6
Warmth7
Sustain8
Durability4
Playability3
Value9
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Martin
Authentic Acoustic SP
12–54 · $7.99
SP on J-40 jumbo body — factory pairing with maximum bass projection.
Brightness5
Warmth9
Sustain8
Durability4
Playability6
Value8
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More strings in this sonic family
Similar character, different brand or gauge
Newtone
Heritage Acoustic
12–54 · $14.99
Brightness6
Warmth9
Sustain8
Durability6
Playability7
Value6
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D'Addario
ETB92 Phosphor Bronze Baritone
13–62 · $9.99
Brightness4
Warmth7
Sustain8
Durability5
Playability3
Value7
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John Pearse
600L Phosphor Bronze
12–53 · $10.99
Brightness7
Warmth8
Sustain8
Durability5
Playability7
Value6
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Elixir
Nanoweb 80/20 Bronze
12–53 · $13.99
Brightness8
Warmth5
Sustain6
Durability9
Playability6
Value8
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Martin
MA540 Custom Light
11–52 · $7.49
Brightness7
Warmth8
Sustain7
Durability5
Playability8
Value8
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Elixir
HD Light Phosphor Bronze
13–53 · $14.99
Brightness7
Warmth7
Sustain7
Durability9
Playability5
Value8
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