The Gibson J-45 has been a favorite with players and collectors since its debut in 1942. Its roots can be traced back ten years earlier with the unveiling of the Martin Guitar Company’s Dreadnought series. The Martin D series became immediately popular with players because of the increased volume these large guitars provided. Gibson retaliated in 1934 with the Jumbo. The Jumbo was a guitar with similar dimensions and volume to the Dreadnought, but with Gibson’s unique round-shouldered look that’s been considered a classic shape ever since. The economics of the Great Depression caused the Jumbo to evolve into the lower priced, less fancy J-35 in 1936. By 1942 the J-35 was dropped in favor of the enduring J-45, which has been a staple of the Gibson Flat-Top line up ever since.