Martin Custom Shop “D” Dreadnought 28 Style Acoustic Guitar, European Spruce/Sinker Mahogany serial number:M2957966 and expanded delay time

and expanded delay time

the lower coil cancels hum

Effectively two phaser pedals in one unit

Push-to-tune carrier oscillator

not just earning

Martin Custom Shop “D” Dreadnought 28 Style Acoustic Guitar, European Spruce/Sinker Mahogany serial number:M2957966 and expanded delay timeThe Martin Custom Shop D Dreadnought continues the lineage of one of the most influential acoustic body shapes in guitar history. First introduced in the early 20th century, the dreadnought became a benchmark of volume, projection, and clarityan identity Martin Guitars helped define and has refined ever since. This Custom Shop build represents a fresh yet reverent take on that tradition, with exclusive material selections and meticulous attention to