Inventors began trying to address these sound difficulties by experimenting with solid, rather than hollow, guitar bodies. John Dopyera of the National String Instrument Corporation took the idea of acoustic amplification to its limit, designing a steel-body guitar with banjo-type resonator-amplifiers built into the top.Д«y the late 1930s other makers and players adapted the new technology to the more traditional Spanish-style hollow-body wooden guitars, but were troubled with distortions, overtones, and feedback-the amplification of vibrations in the body of the instrument as well as in the strings. To compete in these new markets, guitar makers began not only building larger flat top and archtop guitars, but increasingly experimenting with different materials and designs. The quest for a louder guitar intensified during the 1920s with the advent of big band music, phonograph recordings, and commercial radio. In the 1890s, Orville Gibson's carved-body guitar not only increased its volume, it also set standards for instrument makers in the early 20th century and blazed the trail for the archtop guitar.

Martin had developed 'X-bracing' to reinforce the guitar's body, as well as other innovationsleading to a new American flattop guitar design. Particularly since the introduction of the modern six-string Spanish-style guitar around 1800, there has been continuous interaction among guitar players and makers seeking ever-greater volume for their instruments.Д«y the 1850s, C. The history of the electric guitar's development comprises a legacy of invention and innovation dating back well before the 20th century. Then in the 1940s and 1950s, players and makers began building Spanish-style electric guitars with solid wooden bodies, which led to new designs and new sounds. Country and jazz guitarists were among the first to champion the electric sound. Some people continued experimenting with larger sizes and metal bodies other innovators started to focus on electricity as a possible aid.Д«y the end of the 1930s, electronic amplification proved to be one of the most successful innovations for building a louder guitar, despite the misgivings of some traditionalists about the new technology. In the 1920s, as public dance music became more popular and the infant recording industry required high volume to capture a musical performance, guitar makers increased their efforts to develop ever-louder guitars. In addition, an entirely different design emerged, the stronger-and louder-archtop. The traditional flattop guitar began to change in size and shape as a steel-string instrument. The introduction of steel strings in the 19th century meant not only greater volume, but greater tension on instruments. George Beauchamp's patent for the Rickenbacker Frying Pan, filed in 1934 and issued in 1937.

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