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Music Summaries
Guitar

Acoustic Guitar Strings
Summary

The table below compares the sizes of selected Heavy, Medium, Light and Extra Light acoustic guitar strings.

The physical diameter of each string is given in thousandths of an inch. The string tension of the 1st string is given for relative comparison.

300

140

D'Addario
80/20 BRONZE Acoustic Guitar Strings
(loudest)

String Weight
String
Set
1st
2nd
3rd
4th
5th
6th
lbs.

Extra Light

E10
0.010
0.014
0.023
0.030
0.039
0.047
16.2

Light

E11
0.012
0.016
0.024
0.032
0.042
0.053
23.3

Medium

E12
0.013
0.017
0.026
0.035
0.045
0.056
27.4

Heavy

-
-
-
-
-
-
-
-

Bluegrass

E14
0.012
0.016
0.025
0.035
0.045
0.056
23.3

-

D'Addario
PHOSPHOR BRONZE ROUND-WOUND Acoustic Guitar Strings

String Weight
String
Set
1st
2nd
3rd
4th
5th
6th
lbs.

Extra Light

EJ15
0.010
0.014
0.023
0.030
0.039
0.047
16.2

Custom Light

EJ26

0.011
0.015
0.022
0.032
0.042
0.052
19.6

Light

EJ16
0.012
0.016
0.024
0.032
0.042
0.053
23.3

Medium

EJ17
0.013
0.017
0.026
0.035
0.045
0.056
27.4

Heavy

EJ18
0.014
0.018
0.027
0.039
0.049
0.059
31.8

Bluegrass

EJ19

0.012
0.016
0.025
0.035
0.045
0.056
23.3

-

D'Addario Flat-Tops
PHOSPHOR BRONZE SEMI-FLAT WOUND Acoustic Guitar Strings

String Weight
String
Set
1st
2nd
3rd
4th
5th
6th
lbs.

Extra Light

EFT15
0.010
0.014
0.023
0.030
0.039
0.047
16.2

Light

EFT16
0.012
0.016
0.024
0.032
0.042
0.053
23.3

Medium

EFT17
0.013
0.017
0.026
0.035
0.045
0.056
27.4

Resophonic

EFT13

0.016
0.019
0.028
0.036
0.044
0.056
30.7

-

D'Addario
SILK and STEEL Copper Wound Acoustic Guitar Strings
(softest)

String Weight
String
Set
1st
2nd
3rd
4th
5th
6th
lbs.

Extra Light

Light

EJ40
0.011
0.014
0.023
0.028
0.038
0.047
19.6

Medium

Heavy

150

60

50

50

50

50

50

50

50



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This Vaughns Guitar Strings Comparison
Chart was last updated on 2015-03-05.