(Discontinued) Martin OM-18 Authentic 1933

Please Note – this model has been discontinued and is no longer available new.   We’re maintaining this post for reference purposes.   Please contact us for other related models!

The high resolution images provided allowed Martin’s design team to see the past in incredible detail and recreate numerous hidden features and subtle nuances from Martin’s “golden era.”

All the details have been taken into consideration from minute differences in bridge plate thicknesses to unique bracing pattern subtleties and the delicate hide glued cloth side reinforcement strips. The handwork, finesse and incredible attention to detail required for these instruments has helped to create the most authentic “New Old” Martins ever!

This guitar is based on a 1933 OM-18 on loan from Fred Oster of Vintage Instruments and features a mahogany back and sides and an Adirondack spruce top using an authentic circa 1933 bracing pattern. This beautiful instrument has all the period-correct “OM-18” Authentic-style appointments, right down to the Authentic 1933 neck barrel and heel!

STATUS: Available On Order

Specifications for the Martin OM-18 Authentic 1933

Construction: Mahogany Blocks/Dovetail Neck Joint – Hide Glue Construction

Body Size: 000-14 Fret

Top: Solid Adirondack Spruce

Rosette: Old Style 18

Top Bracing Pattern: Standard ”X” Scalloped (Authentic Style) – Circa 1933

Top Braces: Solid Adirondack Spruce 5/16”

Back Material: Solid Genuine Mahogany

Back Purfling: Solid Madagascar Rosewood Strip

Side Material: Solid Genuine Mahogany

Endpiece: Solid Madagascar Rosewood in a Narrow 1933 Shaped

Endpiece Inlay: none

Binding: Black Boltaron

Top Inlay Style: Multiple Black/White Boltaron

Side Inlay: none

Back Inlay: none

Neck Material: Solid Genuine Mahogany

Neck Shape: Authentic 1933 Barrel and Heel

Nut Material: Solid Black Ebony

Headstock: Solid/1939 Taper

Headplate: Solid Madagascar Rosewood/Authentic Style (1933) Gold Lettering w/No Black Outline

Heelcap: Solid Black Ebony

Fingerboard Material: Solid Black Ebony

Scale Length: 25.4”

Number of Frets Clear: 14

Number of Frets Total: 20

Fingerboard Width at Nut: 1-3/4”

Fingerboard Width at 12th Fret: 2-1/4”

Fingerboard Position Inlays: Old Style 18

Fingerboard Binding: none

Finish Back & Sides: Polished Gloss w/Aging Toner

Finish Top: Polished Gloss w/Aging Toner – 1933 Chris Hillman Shaded

Finish Neck: Polished Gloss w/Aging Toner

Bridge Material: Solid Black Ebony

Bridge Style: Authentic Style Belly w/Long Saddle

Bridge String Spacing: 2-3/8”

Saddle: 16” Radius/Fossilized Ivory

Tuning Machines: Waverly Nickel 8060 w/Butterbean Knobs

Bridge & End Pins: Black

Pickguard:Delmar Tortoise Color

Case: 533V Harptone style

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