1965, 2008 S A
1965, 2008 S RC
1965, 1800 S - prototype
1969, 4008 S
1969-70, 4008 S R
1970-71, 4008 ZM
1971, 4008 ZM II
1971-72, 4008 ZM II R
1972, 4008 Surveillance - prototype
1972, 3008 - prototype
1974, 4008 M 3
1974, 5008 S
1976, 4008 ZM 4
1976, 5008 S MS
1976, 3008 S MS
197?, 6008 S Direct Sound - prototype
1978, 1008 XL
1979, 1018 SX-8
1979, 6008 S
1980, 1028 XL 60
1981, 6008 Pro
1983, 6008 S D
1985, 7008 S
1986, 7008 Pro
1986-87, 7008 Pro II
1993-94, 9008 S - manufactured by Ritter
1996-97, 9008 Pro - manufactured by Ritter