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Martin Custom Shop 000-18 Adirondack Spruce (668)

A Custom Shop 000-18 with a powerful Adirondack spruce top, delivering vintage-inspired tone and modern, effortless playability.

$3,999.00

Same price at every authorized dealer. The difference is what comes with it.

SKU: 219166
Serial: M3046668
Weight: 3lbs 14oz/3.9lbs

0% for 36-48 months available

4.8
Rated 4.8 out of 5
98% Recommend

557 reviews

1 In Stock - Inspected & ready to ship.

72-Hour Love-It Guarantee — Free returns

Inspected 3X Before Shipping

Free 1-4 Day Shipping

1 in stock

Talk To A Player Before You Buy

Rob and Cory are gigging musicians who know gear inside and out. They'll give you the straight answer—even if it means pointing you somewhere else.

Quick Specs

  • Mahogany Body | Adirondack Spruce Top
  • GE Modified Low Oval Neck | Black Ebony Fingerboard
  • Acoustic (No Electronics)
  • 24.9" Scale Length | 1 3/4" Nut
  • Golden Era Scalloped Bracing

Player-Perfect™ Pro Setup Included

Our techs are all seasoned players, so they dial in every guitar like it’s going into their own rig—perfect intonation, action set exactly right, ready to rip from the first note.

Want it YOUR way? Tell us at checkout: string gauge, action height, whatever you need. We’ll nail it before shipping.

Product Description

Vintage Soul, Modern Feel

This isn’t just another 000-18. This is a Custom Shop creation that speaks directly to the player who craves that golden-era Martin voice but demands modern playability. At its heart is a premium Adirondack spruce top, the holy grail of top woods, known for its explosive projection and incredible headroom. Paired with a classic mahogany body, you get a tone that’s dry, woody, and exceptionally balanced, with a midrange focus that records like an absolute dream. It’s articulate for delicate fingerstyle but has the power to cut through when you dig in.

The Engine: Adirondack & GE Bracing

Real talk, the top is where the magic happens. Adirondack spruce gives this 000 a dynamic range that’s simply inspiring. It whispers with nuance and roars when you drive it hard, all without losing a bit of clarity. Under the hood, the hand-shaped, scalloped Golden Era bracing is the perfect complement, allowing the top to breathe and resonate freely. This combination delivers that coveted, open character of a well-loved vintage instrument from the very first strum.

Effortless Playability

The 000-14 fret body is the sweet spot for comfort and versatility, and the shorter 24.9″ scale length makes this guitar a joy to play. Bends are buttery, and long sessions feel effortless. Martin’s Custom Shop team selected a GE Modified Low Oval neck profile with a High Performance Taper, a mouthful that translates to a sublimely comfortable neck. It has a classic, vintage-inspired feel that still provides a smooth, fast ride for any playing style, finished in satin for a broken-in feel right out of the case.

Anatomy of a Tone Machine

Anatomy of a Tone Machine

Perfect for: Fingerstyle • Singer-Songwriter • Folk • Studio Recording

Tone

  • Explosive projection and headroom from the Adirondack spruce top.
  • Warm, woody, and fundamental-focused with a strong mahogany midrange.
  • Crisp articulation and note separation, ideal for fingerpicking and recording.
  • Incredibly dynamic and responsive to touch, from a light whisper to aggressive strumming.

Playing Feel

  • Comfortable and balanced 000-14 fret body sits perfectly in your lap.
  • The GE Modified Low Oval neck offers a vintage feel with modern speed and comfort.
  • Shorter 24.9" scale length provides a slinky, buttery feel with lower string tension.
  • The satin neck finish is smooth and fast, never sticky.

Versatility

  • Excels at fingerstyle, flatpicking, and light-to-medium strumming.
  • A studio engineer's dream—balanced, clear, and easy to mic.
  • Sits perfectly in a mix without overwhelming other instruments.
  • Its focused voice is perfect for solo singer-songwriter accompaniment.

Complete Technical Specs

Body Specs

TypeAcoustic
Shape000-14 Fret
Top WoodAdirondack Spruce
Back & Sides WoodMahogany
FinishGloss Body
ColorAging Toner Top
BindingBrown Faux Tortoise
RosetteOld Style 18

Neck Specs

WoodGenuine Mahogany
ProfileGE Modified Low Oval
TaperHigh Performance Taper
FinishSatin

Fingerboard Specs

MaterialBlack Ebony
InlaysOld Style 18
Nut Width1 3/4"

Electronics Specs

Hardware Specs

BridgeBlack Ebony, GE Modern Belly
TunersGrover Nickel Vintage Button

Measurements

Scale Length24.9"
Fingerboard Spacing1 3/4" x 2 1/8"
The Lowdown

The Lowdown

We get it. Buying a guitar you haven’t played is a big decision. You need to know it’s going to feel right, sound right, and inspire you the second you open the case. We put together the questions we’d be asking if we were in your shoes—the real-world stuff that specs alone can’t answer. If there’s anything else you’re wondering about, just give us a call.

Adirondack spruce is a legendary tonewood known for its high stiffness and light weight. For a player, that translates to a massive dynamic range—you can play it softly with great nuance or strum it hard and get more volume without the tone breaking up. It’s often called ‘the holy grail’ of top woods for its power and clarity.
It’s a fantastic middle ground. It draws inspiration from Martin’s coveted ‘Golden Era’ necks, so it has a comfortable, slightly fuller feel than some modern super-slim profiles, but it’s not a ‘baseball bat’ by any means. The ‘Low Oval’ shape is very ergonomic, and the High Performance Taper keeps it feeling sleek as you move up the neck.
Of course. Every guitar gets our full Player-Perfect™ setup, but tell us your preferred string gauge and action at checkout, and we’ll dial it in exactly to your spec before it leaves the shop.
This guitar is covered by our 72-Hour Love-It Guarantee. If you’re not completely inspired by it, just let us know. We’ll make it right.
Orders ship within 1–4 business days with free, insured shipping. We’ll get it into your hands as quickly as we can.
Call us at (888) 794-8482. You’ll talk to a real musician who can answer anything you need to know.
The Moore Guitars Difference

Player-Perfect™ Setups

Every guitar we sell is dialed in by seasoned musicians. We obsess over the details—perfect intonation, immaculate fretwork, and ideal action—so your guitar is ready to rip right out of the case. No exceptions.

Advice From Real Players

Call us and you get a fellow musician, not a script. We'll help you compare neck profiles, talk tone, and find the right guitar for you—even if it's not this one. Our reputation is built on honest conversation.

49+ Years Of Trust

Family-owned since 1976, we stand behind everything we sell. That's why we have a 72-Hour Love-It Guarantee. If you're not inspired, send it back on our dime for a full refund. Your satisfaction is our legacy.

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4.8
Rated 4.8 out of 5

244 reviews

98% Recommend

313 reviews

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