Preamps
240 - 1981
244 - 1989
266 - 1992
255 - 1997
155 - 1998
268 - 2001
245 - 2003
255 II - 2006
266 II - 2006
255 II R - 2012
268-C - 2013
266 II R - 2014
266 II RC - 2014
155 II R - 2015
Amps
800A - 1975/76, Series II - 1980, Series III - 1987
600A - 1977, Series II - 1980, Series III - 1987
300A - 1982
801 - 1986
810 - 1986
610 - 1986
1000 - 1987
811 - 1988
1000-1 - 1989
801A - 1991
611 - 1991
611X - 1994
411 - 1994
2001A - 1995
711 - 1996
2011 - 1998
F-50B - 1998
F-30B - 1998
F-10B - 1998
811 II - 2002
115 - 2005
111 - 2005
411 II - 2006
1811 - 2008
711 II - 2009
108 - 2010
118 - 2013
411 III - 2017
711 III - 2017