2 1 Channel Audio Amplifier Circuit Diagram. 2 channel stereo uses ic lm1876 gainclone amplifier and the channel subwoofer amplifier uses an ocl power amplfier circuit with final transistors 1 set of 2sc2922 and 2sa1216. This power amplifier using or based on ic tda7377 that the tda7377 ic has 4 channel input and 4 channel output.

For using 2 1 power amplifier on two channel is bridge to one output so the output is 3 channel one channel using for bass or subwoofer speaker. Electronics projects 2 1 class d amplifier circuit tpa3116d2 tpa3118d2 subwoofer audio amplifier circuits class d amplifier circuit ic amplifier date 2019 08 04 the power output stage in class d amplifier is implemented using two integrated circuits from the company texas instruments tpa3118d2 for the right and left channel and the tpa3116d2 for the channel of the subwoofer. 2x16v ac 100w considering the power drop leg links is the same as the tda2040 can be used to control or filter or tda2030 lm1875 times you can use a different 2 1.

Circuit description there are 3 sets of power amplifier socl 504 in the blue and green line is using for stereo satellite speaker s and the red line is using for subwoofer speaker.

The output power which could be obtained from the scheme of power audio amplifier circuit 2. See circuit diagram below. The tda7377 is the main component. The output power which could be obtained from the scheme of power audio amplifier circuit 2.