Click on the hyperlinks to the left to see the pre-amplifiers and amplifiers. Not all the components are illustrated. The majority of Pioneer's amplifiers were integrated, as can be seen below.  

Pioneer Pre-Amps (1975-1980)

Pioneer SPEC-1
Pioneer C-21

Pioneer Power Amps (1975-1980)

Pioneer M-22
Pioneer SPEC-2
Pioneer SPEC-4

Pioneer Integrated Amps (1975-1980)

Pioneer SA-5500II
Pioneer SA-5800
Pioneer SA-6500
Pioneer SA-6500II
Pioneer SA-6800
Pioneer SA-7500
Pioneer SA-7500II
Pioneer SA-7800
Pioneer SA-8500
Pioneer SA-8500II
Pioneer SA-8800
Pioneer SA-9500
Pioneer SA-9500II
Pioneer SA-9800
Pioneer SA-9900

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