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Martin Custom Shop 18 Style Spruce-Mahogany GPC Acoustic Guitar Antique White
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Martin Custom Shop 18 Style Spruce-Mahogany GPC Acoustic Guitar Antique White
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Gold Coverage Protection
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Gold Coverage Protection
Gold Coverage goes above and beyond the manufacturer's warranty to protect your gear from unexpected breakdowns, accidental damage from handling and failures. This plan covers your product for one, two, three or up to five years from your date of purchase, costs just pennies per day and gives you a complete "no-worry" solution for protecting your investment.
Gold Coverage Includes:
- Unexpected and unintentional spills, drops and cracks
- Normal wear and tear
- Power surges
- Dust, internal heat and humidity
Other plan features include:
- For products over $200, No Lemon Policy applies. If it fails for the same defect 3 times, it is replaced on the 4th breakdown. (Does not apply to failures due to drops, spills, and cracks)
- For products under $200 experiencing the above failures, a Musician's Friend gift card will be issued for the full price of the product + tax.
- Shipping fees covered if required for repair or replacement
- Plans are transferable in the event merchandise is sold
- Plans are renewable on new gear
*Limitations and exclusions apply. See terms and conditions (Opens in new window) for program details
Term for New Gear begins on date of purchase but does not replace the store return policy or manufacturer coverage.
A GPC acoustic guitar with warm tone and balanced projection.
The Martin Custom Shop 18 Style Spruce-Mahogany GPC acoustic guitar blends classic Martin tone with modern comfort, offering a grand performance body for players who need balance and projection without bulk. The spruce top responds quickly to picking and strumming, while mahogany back and sides add warmth and clarity. Finished in natural gloss, the body feels comfortable against your arm for long sessions. Grover tuners keep tuning stable, and the antique white binding adds subtle detail. This guitar suits musicians seeking a responsive instrument for detailed finger work and dynamic strumming, all in a build crafted for reliability and stage presence.
Scalloped X-Bracing Shapes Responsive Sound
Scalloped X-bracing under the spruce top supports fast response and full projection. The bracing pattern sits forward, allowing the top to vibrate more freely. This detail gives the unit a punchy attack and even tone from low to high strings. Players using complex picking patterns or quick strumming benefit from the clear separation and volume. The sound stays balanced, supporting expressive techniques in any setting.
Mahogany Back and Sides Add Warmth and Focus
Mahogany on the back and sides creates a focused midrange and tight lows. The wood's natural properties help the instrument keep clarity when playing fast runs or heavy strums. Finished in gloss, the body resists wear from repeated use. A comfortable feel in the hands and a consistent sound across the register make this model reliable for long sessions. Musicians can expect warmth and presence that stands out in group settings.
Grover Tuners and Precise Neck Profile Support Stable Setup
Grover nickel vintage button tuners hold pitch with minimal adjustment. The modified low oval neck fits the hand easily and lets fingers move smoothly along the ebony fingerboard. Diamond and square inlays guide position without distraction. String spacing at the bridge allows for clean picking and accurate finger placement. Setup stays consistent, so players spend more time making music and less time on maintenance.
Construction Details Build Longevity Into the Instrument
Spruce and mahogany, joined with a dovetail neck joint, create a stable structure that handles regular travel and daily use. The bone nut and compensated saddle add durability and help maintain intonation. Antique white binding protects edges from impact. Gloss finish on the body and satin finish on the neck keep surfaces smooth and easy to clean. The included hard case protects the guitar from bumps and temperature changes.
Player Experience With the Martin Custom Shop 18 Style GPC acoustic guitar
This grand performance acoustic suits players looking for comfort and clarity in a reliable instrument. The responsive body shape and focused sound help musicians explore new techniques, while stable tuning and precise construction keep the guitar ready for any session or stage. Every detail works together so players can focus on expression and consistent performance, building confidence with each practice or gig.
Features
- Spruce top and mahogany body produce clear mids and punchy response
- Scalloped X-bracing enhances projection and tonal dynamics
- Grand performance body shape balances comfort with powerful sound output
- Modified low oval neck shape ensures smooth playability for extended sessions
- Ebony fretboard with diamond and square inlays offers classic visual appeal
- Bone nut and saddle optimize string vibration for improved sustain
- Grover nickel tuners provide precise tuning and stable performance
- Antique white binding and pearl rosette add subtle, refined details
- Modern belly bridge improves intonation and supports consistent playability
- Includes hardshell case for secure transport and long-term protection
Experience timeless craftsmanship with the Martin Custom Shop 18 Style GPC acoustic guitar, blending warm mahogany tones, resonant spruce projection, and elegant design for every performance.
Custom Shop 18 Style Spruce-Mahogany GPC Acoustic Guitar Specifications:
General- Product type: Acoustic guitar
- Body shape: Grand performance cutaway
- Body wood: Mahogany
- Top wood: Spruce
- Top bracing pattern: Scalloped X brace forward shifted
- Top braces: Spruce
- Back material: Mahogany
- Side materials: Mahogany
- Body finish: Gloss
- Top finish: Antique white gloss
- Neck wood: Mahogany
- Neck shape: Modified low oval
- Neck joint: Dovetail
- Scale length: 25.4"
- Neck finish: Satin
- Material: Ebony
- Inlays: Diamonds and squares long
- Number of frets: 20
- Number of frets to body: 14
- Nut width: 1.75"
- Nut material: Bone
- Bridge type: Modern belly
- Saddle: Compensated bone
- Bridge string spacing: 2.15625"
- Tuning machines: Grover nickel vintage button
- Pickguard: None
- Bridge and end pin: White with paua
- Strings: Martin Lifespan 2.0 medium
- Case: Hardshell
- Orientation: Right handed
Questions & Answers
Do you have questions about this product?
- Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
- Orders placed before 3 p.m. ET usually ship the same business day.
Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.
Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.
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