D'Addario (12-52) EJ39 Phosphor Bronze 12-String Acoustic Guitar Strings

This 12-string set is the Medium gauge, which D'Addario says gives heavier tension for a bolder, more resonant acoustic tone with higher resistance. Phosphor bronze wrap wire is precision wound over a hexagonal high-carbon steel core. The octave strings on the G, D and A courses are plain; the low E octave is wound, and the tension of every string is listed below. The set is uncoated and round wound, made in the USA at D'Addario's New York production facility, and comes in a recyclable VCI bag with a code you can register for Players Circle points.

What it fits

• 12-string acoustic guitars (D'Addario lists the fretted instrument type as 12-string guitar, acoustic guitar)
• A 12-string set: not for six-string guitars

Specifications

• Model: D'Addario EJ39
• Gauge: Medium, .012–.052
• Strings: 12 (six courses)
• Wrap wire: Phosphor bronze
• Core: Hexagonal high-carbon steel
• Construction: Round wound, uncoated
• Pack: Single set of 12 strings
• Made in: USA (New York)

String tensions

• E4 (two strings), PL012: 10.619kg (23.4lb) each
• B3 (two strings), PL016: 10.595kg (23.3lb) each
• G3, PB025 wound: 14.914kg (32.8lb)
• G4, PL010 plain: 10.429kg (22.9lb)
• D3, PB032 wound: 13.605kg (29.9lb)
• D4, PL014 plain: 11.472kg (25.2lb)
• A2, PB042 wound: 13.152kg (28.9lb)
• A3, PL020 plain: 13.140kg (28.9lb)
• E2, PB052 wound: 11.012kg (24.2lb)
• E3, PB030 wound: 15.294kg (33.6lb)