Electronics Help Care electronics circuit diagram
Amplifier diagram using tda2030
This is an amplifier diagram using tda2030. it’s a 15w+15w stereo circuit board. we can use 10-0-10 to 12-0-12 ac voltage. We can also use a 15-0-15 AC voltage and then change the TDA2030 to TDA2050.
circuit diagram
This is the Speaker protection circuit diagram. It can protect our Speaker from the burn. if the amplifier has any problem then this circuit can save our soundbox. Normally when the transistor makes a short circuit the voltage comes out from the speaker output line then this circuit protects that voltage. This circuit should not allow any direct voltage to be sent to the speaker. This circuit is essential for protecting the speaker.
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