The primary difference is the tonewood used for the back and sides. The Martin D-18 features solid genuine mahogany back and sides, producing a punchy, warm, focused fundamental tone with quick note decay—perfect for vocal accompaniment, recording, and lead flatpicking. The Martin D-28 features solid East Indian rosewood back and sides, producing deeper low-end bass resonance, scooped midrange, and rich harmonic overtones with longer sustain.

While both guitars share solid spruce tops and rosewood backs/sides, the HD-28 features scalloped top bracing and classic herringbone trim. Scalloping reduces the mass of the bracing braces under the soundboard, allowing the top to vibrate more freely for enhanced bass projection and dynamic sensitivity compared to the non-scalloped bracing on the standard D-28.

Both the 000 (Auditorium) and OM (Orchestra Model) share the exact same body dimensions and depth. The difference lies in the scale length: the 000 has a shorter 24.9" scale with lower string tension (making bending and fingerstyle fretting easier), whereas the OM has a full 25.4" scale length (providing higher string tension, punchier volume, and greater dynamic headroom for flatpicking).

Yes. Music Street maintains an active certified pre-owned Martin guitar inventory. Every used Martin undergoes a rigorous multi-point inspection—checking neck angle, bridge glue integrity, fret wear, top flatness, and original internal bracing. We offer competitive part-exchange valuations against new instruments.

Yes. Music Street provides free tracked, fully insured UK courier delivery on all orders over £99. We also offer 0% interest-free finance options at checkout alongside full manufacturer warranties on all new Martin acoustic and electro-acoustic guitars.