PIONEER : Sound Processors      
YearF F YearL L Model R Related Cost C Model Type Info Info2 Family
1982 C 1985 F CA-X7     290 $ Graphic Equalizer w/Sound Processor     Progression IV
1965 L 1965 L CSR-1         Reverberation Amplifier 3w with speaker Tube
1985 F 1987 H EG-X707         Graphic Equalizer w/video Enhancer      
1985 F 1991 L EX-9000     270 $ Dynamic Expander      
1988 I 1991 L GR-333         Graphic Equalizer   Black or Silver (-S)  
1986 G 1992 M GR-470         Graphic Equalizer      
1987 H 1987 H GR-551         Graphic Equalizer w/Spectrum Analyzer      
1988 I 1992 M GR-555         Graphic Equalizer      
1985 F 1986 G GR-560     100 $ Graphic Equalizer      
1988 I 1992 M GR-777         Graphic Equalizer      
1985 F 1986 G GR-860     190 $ Graphic Equalizer      
1991 L 1991 L GR-P510         Sound Image Controller      
1992 M 1992 M GR-P720         Sound Image Controller      
1985 F 1986 G GR-X505         Graphic Equalizer      
1975 V 1979 Z RG-1     195 $ Dynamic Processor      
1979 Z 1981 B RG-2   RG-9 195 $ Dynamic Processor      
1981 B 1983 D RG-9   RG-2 200 $ Dynamic Processor      
1983 D 1985 F RG-60     170 $ Dynamic Processor      
1980 A 1983 D RG-70   RG-9 37000 Dynamic Processor      
1982 C 1985 F SG-05     150 $ Graphic Equalizer      
1982 C 1983 D SG-3   SG-300 180 $ Graphic Equalizer      
1981 B 1983 D SG-9   SG-9800 395 $ Graphic Equalizer      
1984 E 1985 F SG-50(M)   SG-750 260 $ Graphic Equalizer w/Spectrum Analyzer      
1983 D 1986 G SG-60     250 $ Graphic Equalizer      
1980 A 1984 E SG-70   SG-9 55000 Graphic Equalizer      
1982 C 1984 E SG-77   SG-90 59800 Graphic Equalizer      
1982 C 1985 F SG-90   SG-77 460 $ Graphic Equalizer      
1983 D 1984 E SG-100   SG-540   Graphic Equalizer      
1981 B 1983 D SG-300   SG-3 180 $ Graphic Equalizer      
1984 E 1985 F SG-505   SG-540 180 $ Graphic Equalizer      
1982 C 1984 E SG-530   SG-5100 200 $ Graphic Equalizer      
1983 D 1984 E SG-540   SG-100 195 $ Graphic Equalizer      
1984 E 1985 F SG-550   SG-540 180 $ Graphic Equalizer      
1984 E 1985 F SG-700   SG-750     Graphic Equalizer      
1984 E 1985 F SG-705   SG-750 280 $ Graphic Equalizer      
1984 E 1985 F SG-750   SG-50(M) 280 $ Graphic Equalizer      
1981 B 1983 D SG-5100   SG-530 29800 Graphic Equalizer      
1975 V 1980 A SG-9500     300 $ Graphic Equalizer      
1979 Z 1981 B SG-9800   SG-9 395 $ Graphic Equalizer      
1984 E 1986 G SG-X700     100 $ Graphic Equalizer     Progression IV
1989 J 1994 O SP-91D     1000 $ Surround Processor     Elite
1992 M 1996 Q SP-99D     1539 $ Surround Processor     Elite
1984 E 1986 G SP-101         Surround Processor      
1989 J 1992 M SP-700D         Surround Processor      
1985 F 1987 H SP-X707         Surround Processor      
1981 B 1983 D SR-9   SR-303 200 $ Reverberation Amplifier      
1983 D 1991 L SR-60     225 $ Reverberation Amplifier      
1980 A 1983 D SR-70   SR-303 37000 Reverberation Amplifier      
1965 L 1969 P SR-101         Reverberation Amplifier     Tube
1970 Q 1973 T SR-202   SR-202W 100 $ Reverberation Amplifier     Tube Not
1971 R 1979 Z SR-202W   SR-202 150 $ Reverberation Amplifier      
1979 Z 1982 C SR-303   SR-70 195 $ Reverberation Amplifier      
1991 L 1992 M VSP-333         Surround Processor      
1988 I 1989 J VSP-555         Surround Processor 38w w/RC  
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