The J-45 made its debut in 1942 and has been a top-seller for Gibson ever sense its introduction. This guitar is commonly known as a "round shouldered dreadnought" and has also be nicknamed "The Workhorse". Many top recording artists have made this one of their guitars of choice due to its appealing tone and balance and will be a favorite for you too, if you decide to build one of these great guitars.
Traditional woods used for the J45 are Sitka Spruce top and Ribbon-Cut Honduras Mahogany back and sides. Most often these guitars sport an amber to dark brown sunburst finish.
This plan features our Florentine Cutaway version of the J45.
Note: As ALL of our plans are sold as digital downloads, when you complete your plan purchase with us, you will automatically be given a download link to access the plans.
The following tabs detail what you will receive with our J45 Guitar Plans:
Total Instrument Length: 1040mm (40.94”)
Upper Bout: 300.9mm (11.85”)
Lower Bout: 408.5mm (16.08”)
Waist: 270mm (10.63”)
Body Length: 512.8mm (20.19”)
Depth At Heel: 98mm (3.86”)
Depth At Butt: 122.8mm (4.83”)
Neck Width @ Nut: 44.4mm (1.75”)
Neck Width @ Body: 54.5mm (2.15”)
Fretboard Radius: 406.4mm (16.0”)
Scale Length: 628.65mm (24.75”)
Classic Round Shoulder Dreadnought Shape
14-Fret Neck - Standard Width
Neck Connection: Bolt-On, Dovetail, or Mortise
Fretboard Radius & Neck Profile Sections
Closed Pegged w/3L & 3R Tuners Larger Bodied Guitar
Adjustable Truss Rod in Neck
Mustache Bridge, & One Optional Shape
Ideal for Flatpicking & Rhythm
Overall guitar plan with notes and dimensions
Details of Complicated Construction Areas & supplemental Photographs of Key Construction Items + Descriptions
Longitudinal and Lateral Sections Through The Guitar.
Top Bracing Layouts Top and Side Views
Three Neck/Body Connection Options: Bolt-on, Dovetail, Mortise & Tenon.
Mustache Bridge and Belly Bridge Shape Options
Enlarged Purfling Details
Back layout and Back Brace layouts
Complete Template Sets Including: Top, Side Contour and Florentine Cutaway, Neck Contour, Bender Form Insert, Headpiece Layout, Back Arch Template & Top Layout Template
If you are going to send out your plans to a Digital Printing Service, this article is a Must Read!Plan Printing Instructions
Click the button below to see more detail about our Guitar Plans and information you will receiveAcoustic Guitar Plan FAQ's
Add the Inside Form Package to your order to bring your guitar builds to a higher level of quality.Inside Form Package FAQ's
Use these files to help generate CNC Files for your CNC machinery.2D CNC File FAQ's