1980s Fernandes RB-80 Rickenbacker 4001 Bass Guitar (Mapleglo) (MIJ)1980s Fernandes RB 80 Rickenbacker 4001 Bass Guitar (Mapleglo) (MIJ) A classic copy from a classic brand, the Fernandes RB series was Fernandes' take on that famous brand that has an R and a B in their name. These basses are just as good, if not better than their USA counterparts! Depending on the model number, you got different features; some were bolt on, some were neck through. Some had single jacks, some had stereo. Some had two truss rods, some