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Neck, Fingerboard and Headstock

Neck Species
The neck of the Billie Joe Armstrong J-180 is constructed from one solid piece of quarter-sawn, lightweight mahogany. The luthiers in Gibson’s Montana plant carefully select the grain orientation of the mahogany used for necks to optimize tone and sustain. Neck Species
Tonal Characteristics
The wood, construction, and headstock pitch all contribute greatly to the superior resonance, sustain, and overall tone of the Billie Joe Armstrong J-180.
Neck Profile
The neck of the Billie Joe Armstrong J-180 is carved to a modified “V” profile for optimum speed and comfort. Neck Profile
Joint
Gibson uses a compound dovetail joint fixed with hot-hide glue to attach the neck of the Billie Joe Armstrong J-180 to the body at the 14th fret. This technique, traditional in cabinet making and high-end luthiery, creates a joint with strength superior to that of a single piece of wood that transfers string and wood vibration from the neck into the body for a richer acoustic tone. Neck Joint
Joint Angle (Pitch)
3° (+/- 15 seconds)  
Headstock Angle (Pitch)
Like many classic Gibson models, the Billie Joe Armstrong J-180’s headstock is carefully angled at Gibson’s traditional 17 degrees. This subtle yet crucial element of the guitar’s design increases pressure on the strings and helps them stay in the nut slots. An increase in string pressure also means there is no loss of string vibration between the nut and the tuners, which equals better sustain.
Truss Rod
Gibson’s traditional truss rod, found in nearly all of our guitars, is highly responsive to the individual adjustments you’ll want to make to personalize and optimize string action and sustain. Truss Rod
Logo
The vintage script Gibson logo is inlaid in mother-of-pearl across the top of a traditional CF-100-style headstock, with the distinctive mother-of-pearl star in the center of the headstock’s face.Logo
Adhesive
Hot-hide glue is used to attach the dovetail joint, which is the traditional glue used to construct many of the greatest acoustic guitars of the early to middle part of the 20th century.
Fingerboard and Nut

Fingerboard Species
The Billie Joe Armstrong J-180’s bound fingerboard is made from a choice piece of Indian rosewood, one of the most classic woods for use in this part of an acoustic guitar. Fingerboard Species
Frets
The guitars 20 frets (14 clear of the body) are made from Gibson Montana’s standard fret wire, a medium-jumbo wire made from a nickel alloy for excellent tonal clarity. Frets
Tonal Characteristics
Rosewood fingerboards are enjoyed for their contribution of added warmth and complexity to the overall sound of a good acoustic guitar.
Radius
The fingerboard is carved to a 12” radius, the most popular radius for Gibson guitars, and one that offers the optimum blend of comfort and surface-arc for easy chording and choke-free bending alike.
Inlays
The fingerboard of the Billie Joe Armstrong J-180 carries custom mother-of-pearl inlays in graduated star shapes at the traditional positions.Inlays
Nut Width
The width of the nut on the Billie Joe Armstrong J-180 is approximately 1.725”, which affords the finger space demanded by countless accomplished acoustic artists.
Nut Material
The Billie Joe Armstrong J-180 carries a bone nut, a traditional component of quality flat-top acoustic guitars. Nut Material