
Synthesizer. Powertran 2000 (Synthesizer PT2000) from a design by Tim Orr
1978
1978
1982
1999
1966
1968
1981
1966
1966
1969-1973
1981-1984
circa 1978
1972-1976
1986
1966
1966
1970
1966
1966
1966
1990-1994
1982-85
1991
1971
1970-1979
1978-1979
1966
1966
1980
1999
1968-1969
1979-1984
1966