Item #1577143 Model #10CMDFGLC22-058033

Martin Custom Shop Special 45 Dreadnought Bearclaw Sitka-Ziricote Acoustic Guitar Natural


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An heirloom-quality dreadnought with enhanced bass and comfort.

The Martin Custom Shop Special 45 Dreadnought acoustic guitar is crafted from hand-selected premium woods to deliver a rich, resonant tone. It features a bearclaw Sitka spruce top and ziricote back and sides, chosen by Martin's expert luthiers to produce a balanced, articulate sound with shimmering highs and a robust low end. While the Special 45 has the classic look and construction of a vintage Martin, its forward-shifted X bracing enhances the bass response. The modified low-oval neck profile and high-performance taper provide a comfortable feel for intricate fingerpicking or aggressive strumming.

Premium Tonewoods Sing

The hand-selected bearclaw Sitka spruce top on the Special 45 produces a clear, punchy tone with complex overtones. When paired with ziricote back and sides, known for a warm and balanced sound with pronounced mids, the result is an acoustic with shimmering highs, a solid low end and a resonant midrange. The all-solid-wood construction also provides excellent note definition and sustain. These premium tonewoods, chosen by Martin's expert luthiers, give the Special 45 a rich voice that only improves with age.

Vintage Appointments Meet Modern Playability

While the Special 45 has the look of a vintage Martin with its hexagon fingerboard inlays, antique-white binding and Grover vintage-style tuners, its forward-shifted X bracing and modified low-oval neck profile provide enhanced performance. The bracing produces a robust low end and open, ringing quality. The neck profile offers a comfortable feel for intricate fingerpicking or aggressive strumming. The high-performance taper provides a fast, playable feel up and down the ebony fingerboard.

Pure Acoustic Tone

The all-acoustic Special 45 dreadnought produces a rich, resonant tone without the need for electronics. Its solid spruce top and ziricote back and sides resonate freely, unencumbered by pickups or preamps. When you play the Special 45, you'll experience the pure, unadulterated tone of premium tonewoods and thoughtful bracing. Without electronics, the guitar also maintains a lighter weight, making it ideal for extended playing sessions.

Whether recording, performing or practicing at home, the Martin Custom Shop Special 45 Dreadnought acoustic guitar delivers a premium acoustic experience. Its hand-selected tonewoods, vintage appointments and modern playability provide a rich, balanced tone and comfortable feel. For discerning players seeking an all-solid-wood acoustic, the Special 45 is an exceptional choice.

  • Body type: Dreadnought
  • Top wood: Bearclaw Sitka spruce
  • Back & sides: Ziricote
  • Bracing pattern: Forward-shifted X
  • Body finish: Gloss
  • Neck shape: Modified low oval
  • Nut width: 1 3/4"
  • Fingerboard: Black ebony
  • Neck wood: Mahogany
  • Scale length: 25.4"
  • Number of frets: 20
  • Neck finish: Gloss
  • Bridge: Black ebony
  • Saddle & nut: Compensated bone/bone
  • Tuning machines: Grover Gold V97-18GA StaTite 18:1
  • Orientation: Right handed
  • Number of strings: 6-string
  • Case: 5-ply hardshell
  • Country of origin: USA


  • Sitka spruce top, ziricote back and sides hand-selected by Martin and Guitar Center luthiers
  • Forward-shifted X bracing and modified low oval neck profile
  • Style 45 appointments with polished ziricote headplate and abalone CFM block logo
  • Grover gold vintage-style tuners