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AT 18

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The Collings Jumbo, or CJ, is our version of the classic slope-shouldered dreadnought, a shape that has enjoyed renewed popularity in recent years. While the CJ is similar in width and depth to the traditional dreadnought, it has a distinctly different tone. Despite its large size this model works well with the optional shorter string scale, resulting in a somewhat percussive bottom end ideal for acoustic blues or other styles that benefit from a more controlled bass response. Of all the Collings body shapes, this is the one most often requested with a sunburst top finish, and the wide range of wood options, neck widths, and string scales allow the CJ to be many different guitars to a wide variety of players.

Standard Features Include:

  • Select sitka spruce top
  • Mahogany back and sides
  • Cross-cut grained ivoroid and wood nitrate rosette
  • Tortoise-style top/back/neck/peghead binding
  • Black/white wood purfling with 1-style walnut backstrip
  • Pre-war scalloped bracing
  • Tortoise-style celluloid pickguard
  • High gloss nitrocellulose lacquer finish
  • Mahogany neck
  • Double bound "Haircut" headstock
  • 15 degree headstock angle
  • Ebony peghead overlay with inlaid Collings logo
  • Ebony fingerboard with ebony belly-style bridge
  • Mortise and tenon hybrid neck joint
  • 20 Frets, neck joins the body at the 14th fret
  • Medium-Fat "C" neck profile and 2 3/16" string spacing
  • 14"-26" Compound fingerboard radius
  • 1 11/16" Bone nut and drop-in saddle
  • 25 1/2" Scale length
  • Medium 18% nickel-silver fretwire
  • Mother of pearl dot fingerboard inlays
  • Fully adjustable truss rod
  • Ebony bridge pins and end pin
  • Nickel Waverly tuners with 16:1 ratio
  • Recommended string gauge - D'Addario EJ-17 (.013"-.056")
  • Collings deluxe hardshell case by TKL

There Are No Shortcuts: Collings Acoustic Guitars

This short documentary film examines acoustic guitar building at Collings Guitars and the focus on quality that has come to define the company culture.

Pete Huttlinger - CJ Mh SB

Pete Huttlinger plays "Things Are Looking Up" on his Collings CJ Mh SB.

Kenny Smith - CJ Mh SB

Kenny Smith plays his arrangement of "Leather Britches" on a Collings CJ Mh SB.


  • Body Length: 20 1/8"
  • Body Depth at Side: 4 7/8"
  • Lower Bout Width: 16"
  • Total Length: 41"
  • Scale Length: 25 1/2"
  • Standard Nut Width: 1 11/16"


  • Factory Strings: D'Addario EJ-17 (.013"-.056")
  • Recommended Gauges:
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