The inquiry regarding the origin of the acoustic guitar necessitates a nuanced understanding of instrument evolution. It is more accurate to examine the lineage and development of guitars and related instruments rather than pinpointing a precise invention date. Stringed instruments with resonating bodies have existed for millennia, with precursors to the modern guitar appearing in various forms across different cultures.
The development of the instrument we recognize today as the acoustic guitar involved a gradual process of refinement. Factors contributing to its evolution included alterations in materials, construction techniques, and bracing patterns. Luthiers across Europe, particularly in Spain during the 19th century, played a pivotal role in shaping the instrument’s form and sound projection capabilities. The contributions of individuals like Antonio de Torres Jurado are particularly noteworthy for their innovations in guitar design.