barita

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Description

2.1 Amplifier Transistor-based 2SC5200-2SA1943

This is my DIY project try make 2.1 amplifier that have 3 channel output there is Subwoofer Out, Front left out and Front right out.

The output stage uses transistor pair of 2SC5200 and 2SA1943 in a class AB amplifier, it can give power about 85W before clipp @4 ohm load / channel or about 256W total power.

This amplifier has some feature like : midbass control, treble controll, and volume controll for the stereo front channel, and a separated volume controll for the subwoofer channel.

The preamp power supply powered from the main amplifier that regulated with 12 volt ic-based regulator like L7812 and L7912 to make constant voltage.

This amplifier need 24-0-24/10A symmetrical transformer

what does it sounds like? please check the video on barlex respectaizer youtube channel

Schematic and Layout

https://youtu.be/5gTrVEh9C9k

Oct 22,2020

14,519 views

2.1 Amplifier Transistor-based 2SC5200-2SA1943

2.1 amplifier that have 3 channel output there is Subwoofer Out, Front left out and Front right out. It uses transistor pair of 2SC5200

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Published: Oct 22,2020

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Topic

home theatre 2.1 amplifier amplifier

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