Westone Spectrum bass guitars

Model name Manufacturer Production dates (Approx)
SPECTRUM DX   (X635) Matsumoku   to Jan 1987 1985-87
SPECTRUM GT    (X650) Matsumoku   to Jan 1987 1985-88
SPECTRUM LX    (X695) Matsumoku   to Jan 1987 1985-87
SPECTRUM ST    (X630) Matsumoku   to Jan 1987 1985-88
SPECTRUM SERIES II Probably all Korean 1987-88
SPECTRUM I     (WEB110) SLM Korean 1989-90
SPECTRUM II    (WEB 220) SLM Korean 1989-90
SPECTRUM V 5 STRING    (WEB520) SLM Korean 1989-90