Electronics Help Care electronics circuit diagram 5.1 Amplifier Circuit Diagram:
This is a 5.1 amplifier circuit diagram. This board has 6 inputs and 6 outputs: 2 front speakers, 2 surround speakers, and one center speaker. and the Subwoofer. Every channel got 20 watts with 6 ohms. Minimum voltage is 23-0-23 and maximum voltage is 36-0-36.
Here is a low-pass filter circuit to make the bass for the subwoofer speaker.
Low-pass filter for subwoofer amplifier:
This is the low-pass filter for the subwoofer amplifier. This circuit needs to make a bass amplifier. We also need to make a 2.1,5.1 audio sound system. This board makes only bass. makes only the low part. It has no mid-range or high part. It’s also a pre-amplifier. It’s output mono. Input stereo but output mono. This board runs on 9 volts to 15 volts. It needs a single voltage. For this, we can use this board in the car amplifier.
This is the Speaker protection circuit diagram. It can protect our Speaker from the burn. 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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