Electronics Help Care Amplifier circuit diagram DIY amplifier circuit diagram using STK4148:
This is a DIY amplifier circuit diagram using STK4148. Hybrid-IC STK4048V. This is a mono power amp. The circuit output power is 150 watts. We can use a minimum 40-0-40 voltage to 87-0-87 voltage. To make stereo, we have to use the dual board. we can use STK4024V,,STK4026V,STK4028V,STK4028X,STK4030V,STK4030X,STK4032V,STK4032X,STK4034V,STK4034X,STK4036V,STK4036X,STK4036XI,STK4038V,STK4038X,STK4038XI,STK4040V,STK4040X,STK4040XI,STK4042II,STK4042V,STK4042X,STK4042XI,STK4044II,STK4044V,STK4044X,STK4044XI. this all STK.
The circuit diagram is
This is a 20-watt amplifier circuit diagram using the TDA2004 IC. This amplifier can be used in a car. We can use a 12-volt battery to run this board. It’s a mono output board. This IC is stereo, but here the diagram is in bridge mode. The IC is 10 watts + 10 watts in stereo mode. In bridge mode, this IC can make 20 watts of output.
This is an amplifier circuit diagram using C5198 and A1941. This transistor can make 100 watts of output. We can use a maximum 50-0-50 voltage in this circuit. Here we are using 35-0-35 voltage and 3 amperes. It’s a mono audio board. For stereo, we have to use a dual board. We can also use other transistors. positive, negative, and ground voltage. must use a strong voltage and amperes to get a good output watts.
This is the Speaker protection circuit diagram. It can protect our Speaker from burns. If the amplifier has any problems, this circuit can save our soundbox. Normally, when the transistor makes a short circuit, the voltage comes out from the speaker output line, and this circuit protects that voltage. This circuit should not allow direct voltage to be sent to the speaker. This circuit is essential for protecting the speaker
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