TDA2822 power amplifier is a monolithic integrated circuit in 12+2+2 powerdip, intended for use as dual audio power amplifier in portable radios and TS sets.
Using few external components TDA2822 is ideal for audio amplifier on audio portable devices .
For a power supply of 9V DC the output power of the TDA2822 is around 1.75W per channel at 4 ohms load impedance .
Using LM833 can be designed a very simple tone control circuit using few external components .
For this Lm833 ton control circuit can be used almost any type of operational amplifier if it have high input impedance .
The LM833 is a is a dual general purpose operational amplifier designed with particular emphasis on performance in audio systems.
This TDA2052 active audio system circuit use three TDA2052 chips and 5 speakers ( one woofer, two tweeters and two midranges ) .
For this TDA2052 TDA2052 active audio system circuit we need dual 20 volts power supply and five volts supply for the stand by function.