Electronics Help Care electronics circuit diagram
How to make an amplifier circuit:
How to make an amplifier circuit? This is a mini audio amplifier circuit diagram. It can make 30 watts in bridge mode using 15 volts. This diagram needs a single voltage, positive and negative. It’s a mono diagram. To make a stereo need a dual board is needed. Here, use the TDA2003 IC. The dual IC needs to be in bridge mode. The IC needs a headsink. And the voltage must be good to make the best watts. We can use 8 volts to 18 volts. and up to 3 amperes.
The circuit diagram is here: Download link
we know that voltage X amperes = watts. For this amplifier needs a good voltage.
We can get many amplifier circuit diagrams. This circuit can be used in a 2.1 sound box. We can make a subwoofer amplifier using this diagram. To make a subwoofer, we need a low-pass filter circuit. To get the lowpass filter circuit, please visit here LOWPASS FILTER. We need this low-pass filter to make a bass amplifier for 2.1 audio. This low-pass filter makes the sound only bass. It’s also a pre-amplifier. We can use this circuit in any amplifier to make a subwoofer amplifier.
We have another post for you. like Stk 4101 repairing the amplifier,
Build a Transformer or construct the transformer. Home Theater Circuit Diagram 5.1
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We can also use this circuit as a car amplifier. This circuit runs with a 12-volt battery. The Ic and heatsink need a separator.
