EJ17 Medium is the big brother of EJ16 — 13-gauge top and 56 low-E deliver dramatically more body, projection, and low-mid weight than light-gauge alternatives. Tonally identical balanced PB voice, just bigger and fuller. Bluegrass flatpickers and Martin dreadnought players have used this gauge as the reference for over 40 years.

Best for

Bluegrass flatpicking and traditional country rhythm guitar where heavy gauge matches aggressive picking. Martin D-28 and D-18 players who want maximum dreadnought projection. Not recommended for small-body guitars or beginner hands — 13-56 is demanding.

Durability

Uncoated PB with typical 2-4 week peak tone. Heavy gauge construction resists breakage well — break rate at 13-56 is essentially zero under normal playing. D'Addario pack consistency.

Climate notes

Standard uncoated PB humidity vulnerability — tropical-climate players see usual 2-3 week change cycle. Heavy gauge doesn't provide climate advantage despite thicker material.

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Pros

The reference medium-gauge acoustic set — 40+ years of pro usage
Maximum body and projection for dreadnought guitars
Bluegrass flatpicking standard
Budget pricing for a heavy-gauge PB set
D'Addario manufacturing consistency

Cons

13-gauge tension demands strong hands and proper guitar setup
Not appropriate for small-body acoustics or vintage bracing
Uncoated — standard humidity limits

Best for these guitars

Picked by community consensus

Martin

D-28

The classic medium-gauge Martin pairing — flatpickers and bluegrass rhythm players know this set intimately.

Epiphone

J-200 EC Studio

Super-jumbo bodies want medium gauge — EJ17 13-56 fills the J-200's volume better than light strings.

Gibson

SJ-200 Original

Super-jumbo body wants medium gauge — EJ17 13-56 fills the SJ-200's volume potential.

Blueridge

BR-160

Bluegrass medium gauge — BR-160 owners flatpicking jam circles need EJ17 13-56 for projection.

Epiphone

EJ-200CE

Super-jumbo bodies want medium gauge — Epi EJ-200CE included.

Gibson

J-45

13-gauge PB adds body and projection to mahogany-body dreadnoughts — classic bluegrass setup.

Guild

D-40 Traditional

Medium gauge for the D-40's all-mahogany body — pulls more low-end out than light strings.

Martin

HD-28

Medium 13-gauge pulls maximum body from HD-28 scalloped bracing.

Eastman

E10-OM

Medium gauge for bluegrass flatpickers wanting more volume from the E10-OM.

Martin

D-45

Reference medium-gauge PB works on D-45 as on any pro dreadnought.

Gibson

J-200

Medium 13-gauge for J-200 flatpicking projection.

Guild

D-55

Medium 13-gauge PB pulls maximum tone from hand-built D-55 bracing.

Martin

HD-35

Medium 13-gauge maxes HD-35's articulate 3-piece back response.

Martin

J-40

Medium 13-gauge pulls maximum body from J-40 16" jumbo.

Price history

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