D'Addario NBM11540 Nickel Bronze Mandolin Set, Custom Medium, 11.5-40 Screws Duality is a new concept

Duality is a new concept in pickup design

The top has a slight veneer seperation in the form of a hairline crack (can be seen in the photos)

is the standard established by David Grisman and Ricky Skaggs

bright bridge humbucker pickup

with the incredibly-accurate ECM8000 – both at the gig and in the studio

D'Addario NBM11540 Nickel Bronze Mandolin Set, Custom Medium, 11.5-40 Screws Duality is a new conceptD'Addario's premium uncoated custom medium mandolin string set that provides a crisp and clear sound to accentuate the unique tone of your mandolin. NBM11540 delivers an ideal tone and the optimal blend of tight playing tension and strong projection. Loopend construction for universal fit. Nickel Bronze strings are the premium uncoated mandolin strings by DAddario. Featuring an innovative combination of nickel plated phosphor bronze wrapped onto a