how to make preamplifier for amplifier

How to make a preamplifier. If we need quality sound. We have used this circuit in our amplifier to make a quality sound. If we don’t use this circuit in our amplifier. The amplifier will make a lower sound. Here in this circuit, we can input the audio as audio-R and audio-L, and we can get the output as audio-R and audio-L.

The front side of this circuit.

how to make preamplifier

This is a DIY car amplifier using 12 volt battery. HA1388 is a stereo audio power amplifier IC from Hitachi. This circuit can make a stereo mode 18+18 watts output. and in mono mode can make 35 watts of output. Here, use HA1388 12-pin audio IC. This circuit can run from 12 volts to 24 volts. dual (stereo) low-power audio amplifier. designed to drive small speakers. very common in vintage consumer electronics. 

DIY car amplifier using 12 volt battery.
DIY car amplifier using 12 volt battery.

The back side of this circuit

how to make preamplifier

Details about 2SA1943

2sa1943 Polarity is PNP. The maximum collector power dissipation is 150 Watts. The maximum collector-base Voltage is 250 volts. Max Collector-Emitter Voltage is 250V. The Max Emitter-Base Voltage is 5V. The Maximum Collector Current is 17 amperes.

Details about 2SC5200 

2sc5200 Polarity is NPN. The maximum collector power dissipation is 150 Watts. The maximum collector-base Voltage is 250 volts. Max Collector-Emitter Voltage is 250V. The Max Emitter-Base Voltage is 5V. The Maximum Collector Current is 17 amperes.

DIY amplifier circuit using Tip41 and Tip42
DIY amplifier circuit using Tip41 and Tip42

This is the DIY amplifier circuit using Tip41 and Tip42, and 2SC5200 and 2sa1943 transistor. It’s a mono amplifier circuit diagram. This circuit can make 150 watts of output. Minimum voltage should be 20-0-20. and the maximum is 50-0-50 voltage. and 3 ampers. 

transistor circuit diagram of 2sa1943 and 2sc5200

Build a Transformer or construct the transformerhome theater circuit diagram 5.1

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It's me. I like electronics. I like to repair electronics. I like to make circuit diagram. it's me who sleep with electronics. electronics is my dream. Always resistor diode capacitor and transistor playing in my dream. It's me (Ramen Bairagee)

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