Gibson 1961 EB-O BassGibson's first commercially successful electric bass model, the EB 0, was introduced in 1959. In early 1961 the EB 0's body was changed from the older Les Paul Jr shape to the new SG style along with many other solidbody models. All original except the volume knob The 1961 Gibson EB 0 bass is a vintage electric bass guitar that was produced by Gibson from 1959 to 1961. It was originally styled after the Gibson Les Paul Junior, but later transitioned