Martin HD28-CUSTOM-KOA HD-28 Custom Koa (2022), Koa Top/b/s

*Photos shown are of the actual guitar. Serial Number 2713238.

Introducing the Martin Custom Shop ”D” Dreadnought Body, 28 Style, Exceptional Figured Koa Top, Exceptional Figured Koa Back & Sides, 6 String

“You have to see this guitar.  It is a beauty!  It sounds exceptional and it plays like butter.”  Easy Music Center

The Martin HD28-CUSTOM-KOA is an exceptional guitar designed for discerning musicians. This guitar is built with top-of-the-line materials to produce a sound that is unmatched in quality. The top of the guitar is made of exceptionally figured Koa, which produces a rich and warm tone. The bracing material is Sitka Spruce, which provides strength and stability to the guitar’s structure. The forward-shifted X-brace pattern adds more depth to the guitar’s sound.

The Martin HD28-CUSTOM-KOA is designed to meet the highest standards in the industry. The fingerboard material is made of black ebony, which gives it a smooth and sleek finish. The fingerboard inlays are made of diamonds and squares long with regular abalone pearl species, which add a touch of elegance to the guitar. The neck is made of select hardwood and has a modified low oval profile that offers maximum comfort to the player. The neck taper is a high-performance taper, which allows for easy finger movement across the fretboard.

The Martin HD28-CUSTOM-KOA is a 6-string guitar with a modern belly bridge style. The tuning machines are Grover Nickel V97-18NA StaTite 18:1 Vintage Button, which ensures that the guitar stays in tune for long periods of time. The finish of the guitar is standard with a gloss body and satin neck, which gives it a classic and elegant look. The body shape is “D” dreadnought, which produces a powerful and well-balanced sound. The Martin HD28-CUSTOM-KOA is an exceptional guitar that is built to last, making it the perfect addition to any musician’s collection.

Specs

• Appointment Level: Standard
• Adhesive: Modern Adhesive
• Top Material: Exceptional Figured Koa
• Bracing Material, Top: Sitka Spruce
• Back and Side Material: Exceptional Figured Koa
• Binding Material: European Flamed Maple
• Top Pearl: None
• Rosette Style: Style 28 Boltaron
• Bridge Style: Modern Belly
• Neck Material: 12/4 Genuine Mahogany Mfg Pref
• Neck Profile: Modified Low Oval
• Neck Taper: High Performance Taper
• Tuning Machines: Grover Nickel V97-18NA StaTite 18:1
• Vintage Button
• Fingerboard Material: Black Ebony
• Fingerboard Inlay: Diamonds and Squares Long
• Finish Type: Standard
• Finish Package: Gloss Body w/ Satin Neck
• Top Color: Clear
• Electronics: None
• Frets Clear: 14 Frets Clear of Body
• Body Shape: ”D” Dreadnought Body
• Inspired by: HD28
• Appointment Level: Standard
• Base Model Note:
• Adhesive: Modern Adhesive
• Orientation: Right Handed
• String Number: 6 String
• Venetian Cutaway: No
• Electronics: None
• Body Depth: Standard
• Scale Length: 25.4″
• Compensated Scale Length: 25.470″
• Neck Joint: Dovetail
• Truss Rod: Adjustable 14 Fret

TOP

• Top Material: Exceptional Figured Koa
• Top Material Upgrade: Premium
• Final Top Grade: N/A
• Top Thickness: Standard
• Bracing Material, Top: Sitka Spruce
• Bracing Pattern, Top: X Brace – Forward Shifted
• Bracing Pattern Number, Top: 3-A DOMLE
• Bracing Shape, Top: Scalloped
• Bracing Style, Top: Standard
• Bracing Size, Top: 5/16”
• Top Note:
• Binding Material: European Flamed Maple
• Area 1: Top
• Inlay 1: BI,Fiber,Black,.030x.060×65
• Area 2: Top
• Inlay 2: BI,Maple,.040,.080×64
• Area 3: Top
• Inlay 3: BI,Fiber,B/M/B,.015/.012/.015x.060×63
• Area 4: Back
• Inlay 4: BI,Fiber,B/M/B,.015/.012/.015x.060×63
• Area 5: Side
• Inlay 5: BI,Fiber,Black,.015x.080×63
• Area 6: Endpiece
• Inlay 6: BI,Fiber,B/M/B,.015/.012/.015x.060×63
• Area 7: Heelcap
• Inlay 7: HC,Black Fiber,.015×1.125×1.125
• Top Pearl: None
• Top Pearl Species: N/A
• Top Pearl and Thickness: N/A
• Back Pearl and Thickness: N/A
• Side Pearl and Thickness: N/A
• Endpiece Pearl and Thickness: N/A
• Binding and Body Pearl Note:
• Rosette Style: Style 28 Boltaron
• Rosette Pearl Species: N/A
• Rosette Pearl Species And Thickness: N/A
• Rosette Poly: None
• Pickguard Material: None
• Under Finish Pickguard: No
• Pickguard Pattern: N/A
• Pickguard Inlay: None
• Pickguard Inlay Pearl Species: N/A

BACK AND SIDE

• Front Block: BL,Mahogany,Front,D,14,Adj
• Rear Block: BL,Mahogany,Rear,D
• Back Piece Qty: 2 Piece
• Back and Sides Material: Exceptional Figured Koa
• Back and Sides Material Upgrade: Premium
• Back and Sides Final Grade: n/a
• Back and Sides Note:
• Wedge Material: None
• Wedge Material Upgrade: n/a
• Wedge Final Grade: n/a
• Back Purfling: HD Zig Zag
• Bracing Material, Back and Sides: Sitka Spruce
• Bracing Pattern: D14 Fret
• Center Strip: Sitka Spruce
• Center Strip Stamp Location: Between 1st & 2nd Brace
• Caution Stamp: None
• Ribbons: Spanish Cedar
• Side Strips: East Indian Rosewood
• Endpiece Material: European Flamed Maple

NECK

• Neck Material: 12/4 Genuine Mahogany Mfg Pref
• Neck Center Piece Material: n/a
• Neck Profile: Modified Low Oval
• Neck Taper: High Performance Taper
• Heelcap Material: European Flamed Maple
• Headstock: Solid
• Diamond Volute: Standard
• Headstock Taper: Square
• Corners: Standard
• Headplate Material: East Indian Rosewood
• Headplate Material Grade: Standard
• Headplate Thickness: Standard
• Headplate Decal: Old Style Gold
• Headplate Binding: No
• Headplate Inlay: None
• Headplate Inlay Pearl Species: N/A
• Stamp: None

FINGERBORAD

• Fingerboard Material: Black Ebony
• Fingerboard Material Grade: 3
• Fingerboard Stain: No
• Fingerboard Oil: Yes
• Fingerboard Radius: 16”
• Fingerboard Width at Nut: 1 3/4″
• Fingerboard Width at 12th Fret: 2 1/8″
• String Spacing: 2 5/32”
• Fingerboard Length: 17.989”
• Fingerboard Thickness: Standard Thickness
• Fret Wire: Standard
• Fret Slot: 0.023 Pocketed
• Total Frets: 20 Total
• Fingerboard Binding: No
• Fingerboard Inlay: Diamonds and Squares Long
• Fingerboard Inlay Pearl Species: Regular Abalone
• Side Dots: White
• Side Dot Postion: One at 3rd, 5th, 7th, 9th, Two at 12th, One at 15th & 17th Frets
• Nut Material: Bone
• Nut Positioning: Flat

FINISH

• Finish Type: Standard
• Finish Package: Gloss Body w/ Satin Neck
• Finish Taping Notes: Tape All Bindings, Inlays, Heelcap & Endpiece for Stain & Fill
• Notes for Finish: None
• Top Color: Clear
• Body Filler: Rosewood
• Body Stain: None
• Neck Filler: Rosewood
• Neck Stain: None
• Solid Color: None
• Solid Color Neck: None
• Complete Burst: None

BRIDGE

• Bridge Material: Black Ebony
• Bridge Style: Modern Belly
• Saddle Style: Drop in Saddle
• Bridge Inlay: None
• Bridge Inlay Pearl Species: N/A
• Saddle Material: Compensated Bone
• Bridge Pins: White w/ Faux Tortoise
• Bridge End Pins: White w/ Faux Tortoise

EXTRAS

• Tuning Machines: Grover Nickel V97-18NA StaTite 18:1 Vintage Button
• Tuning Machine Drilling: R 11/32”
• Strings: Authentic Acoustic Lifespan 2.0
• Strings Guage: Medium
• Strap Button: None
• Case: Molded Hardshell
• Strap: None
• Custom Label: None