The K. Yairi Solo Works JM Custom is a premium, handmade acoustic guitar crafted by master luthier Tomoyasu Sawamura. As part of the exclusive Solo Works series, every guitar is built entirely by a single luthier, ensuring unique voice, exceptional tone, and flawless construction. Its hybrid bracing provides balanced resonance, dynamic response, and projection suitable for both fingerstyle and strumming.

• Handcrafted by master luthier Tomoyasu Sawamura
• Solo Works series – built entirely by a single luthier
• Hybrid bracing system: X + Lattice bracing for balanced tone and projection
• Custom mid-size body (between 000 and Small Jumbo) with ergonomic deep elbow contour
• Full gloss lacquer finish for aesthetic appeal and tonal resonance
• Solid Sitka Spruce top, solid Indian Rosewood back & sides
• Ebony fingerboard and bridge for clarity and sustain
• Gold/Black Gotoh SGL510Z BS5-GG tuners for stable tuning

• Top Wood: Solid Sitka Spruce
• Back & Sides: Solid Indian Rosewood
• Neck: Mahogany
• Fingerboard & Bridge: Ebony
• Scale Length: 645 mm
• Nut Width: 43 mm
• Bracing: Hybrid X + Lattice
• Number of Frets: Standard (not specified)
• Body Shape: Custom mid-size (between 000 and Small Jumbo)
• Contour: Deep elbow contour for ergonomic comfort
• Finish: Full Gloss Lacquer
• Tuners: Gotoh SGL510Z BS5-GG (Gold/Black)

This is a purely acoustic guitar with no built-in electronics. Its sound relies entirely on the high-quality solid tonewoods and hybrid bracing system.

• Includes deluxe hard shell case
• Inspection and specification card included
• User/care manual provided
• Each guitar is unique due to Solo Works handcrafted process