Sansui Power Amplifier Circuit Diagram. As you could notice by comparing these two amplifiers there were very minor changes between them except the differences in power supply circuit. The transistor numbers listed above were not selected by data sheet values but by actually testing for noise between dc and 30 khz in an exact copy of the sansui power amp circuit.
In order to compensate with the nfb technology adopted with the conventional amplifier and to reduce distortion more the super feed forward system developed uniquely is carried. F or safe and reliable audio amplifier operation the output signal from the power amplifier module. This is linear power amplifier 2000 watt which need advance knowledge in electronics since the schematic diagram is very complex for hand made circuit.
Many years before even anybody started talking about the sound quality of triode amplifiers sansui introduced the triode tuner amplifier sax 300 in 1965.
Instead of the original full wave bridge rectifier for the b power supply mr. As you could notice by comparing these two amplifiers there were very minor changes between them except the differences in power supply circuit. Changing the values of r607 and c601 comes from the au 517717 repair guide that i have. Ba 1000 vfet amplifier sansui sansui g 4700 power amp schematic service manual download schematics eeprom repair info for electronics experts.