The OM-28 Authentic 1931 shares Martin’s incredibly significant 14-fret neck Orchestra model innovation with its lengthened 25.4” scale and 1 ¾” neck width. Madagascar rosewood back and sides and Adirondack spruce with Martin’s new Vintage Tone System (VTS) are used to replicate the aged appearance and tonality of the 1931 original. All other appointments and processes, including hide glue construction, hand shaping and assembly, and tucked under bridge plate and bracing, are completely faithful.
The new Martin Vintage Tone System (VTS) uses a unique recipe that is based on the historic torrefaction system. The VTS acts much like a time machine in which Martin can target certain time periods and age the top/braces to that era. This focused method allows Martin’s craftsmen and women to recreate not only the pleasing visual aesthetics of a vintage guitar, but also reproduce the special tones previously reserved for vintage instruments.
Model: OM-28 Authentic 1931
Construction: Dovetail Neck Joint - Hide Glue Construction
Body Size: 000-14 Fret
Top Material: Adirondack Spruce with VTS
Top Detail: N/A
Bracing Pattern: Authentic 1931 X Brace
Brace Shape: Scalloped
Brace Material: Adirondack Spruce with VTS
Brace Size: 5/16" with 1/4" Tone Bars
Back Material: Madagascar Rosewood
Back Detail: N/A
Back Purfling/Strip: Zig-Zag Authentic
Side Material: Madagascar Rosewood
Side Detail: N/A
Endpiece: Grained Ivoroid
Endpiece Inlay: Multi-Stripe
Binding: Grained Ivoroid
Top Inlay Material: Fine Herringbone
Side Inlay Material: N/A
Back Inlay Material: Multi-Stripe
Neck Material: Genuine Mahogany
Neck Shape: Authentic 1931
Neck Taper: Standard Taper
Nut Material: Bone
Headstock Shape: Solid with 1931 Taper and Diamond
Headplate Material: Madagascar Rosewood
Headplate Detail: N/A
Headplate Logo Style: Stamped on Back of Headstock
Headplate Binding Material: N/A
Heelcap: Grained Ivoroid
Fingerboard Material: Ebony
Scale Length: 25.4"
Neck Joins Body At: 14th Fret
Number of Frets Total: 20
Fingerboard Width at Nut: 1 3/4''
Fingerboard Width at 12th Fret: 2 1/4''
Fingerboard Inlay Material: Abalone
Fingerboard Inlay Style: Golden Era Style Diamonds and Squares Short Pattern
Fingerboard Binding Material: N/A
Side Dots: Grained Ivoroid
Back and Side Finish: Vintage Gloss
Back and Sides Color: N/A
Finish Top: Vintage Gloss
Top Color: Clear
Finish Neck: Vintage Gloss
Neck Color: Dark Mahogany
Bridge Material: Ebony
Bridge Style: Authentic Belly - Glue in Long Saddle
Bridge String Spacing: 2 5/16''
Saddle Radius: 16"
Tuning Machines: Nickel Open Gear
Recommended Strings: SP Lifespan 92/8 Phosphor Bronze Medium (MSP7200)
Bridge Pin Material: Faux Ivory
Bridge Pin Dots: Black Plastic
Pickguard: Faux Tortoise
Pickguard Inlay: N/A
Case: Ply Hardshell
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