Friday, August 29, 2014

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32W Subwoofer Amplifier



Circuit diagram for 32W subwoofer amplifier

1- Operational amplifier TDA2050 which is used in the main amplifier circuit
2- TDA1524 which is used in the pre-amplifier of the circuit.
3- I used the split DC power ±22V as an external supply. The main advantage of the split supply over the single supply is that it is filtered from both sides (+) and (-) terminals and has the proper grounding system which are caused to decrease the output noise of amplifier but u can use single supply too.

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