Hafler P4000
2000
Proton AA-2120
1998
Harman Kardon HK-560
1979
Harman Kardon A-402
1976
Harman Kardon A-401
1976
Proton AA-2080
1998
Proton AM-455
1998
Harman/Kardon 330B
1974
Atoll IN 30
2012
Harman/Kardon TA 600
1975
Harman/Kardon 730
1976