2sa1943 2sc5200 power amplifier circuit

Welcome back to another interesting audio amplifier project. Today’s I’m going to share about the useful and trending audio amplifier circuit and it’s free PCB layout for free. This amplifier is provided the RMS power of 200 to 300 watts per channel.

Nowadays this circuit and PCB are marketing widely. The cost of this board is varying as per the distributor. I found the Skathi board are available but the coastwise I don’t like the product.

So that reason I like to build my own mono transistor amplifier board. The same circuit is implemented in Sakthi boards, I referred this circuit and PCB layout from videorockola website.

The amplifier is very cheap to build but the performance is awesome as compared with any other Audio amplifier. Because the power transistor 2SC5200/TTA5200 and 2SA1943/TTA1943 is using. The complimentary audio power transistors can drive very good audio output. The working frequency is starts from 5hz to 200 khz nearly. So building this kind of Audio amplifier is the better choice for car and home subwoofer amplifier.

PCB Layout

2sa1943 2sc5200 power amplifier PCB Layout
2sa1943 2sc5200 power amplifier pcb

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2SC5200 + 2SA1943 Power Transistors, Black, Pack Of 1Pair

✔ 2sc5200 and 2sa1943, Suitable For Use In High Fidelity Audio Amplifier Output Stage, Maximum Collector Current = 15 Amp, Total Power Dissipation = 150 Watt, Heavy Duty, Professional Quality Product

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Amplifier PCB

2SC5200 2SA1943 PCB

Ready made PCB to build your own Amplifier. 300 watt max RMS output,suitable for Subwoofer and stereo audio amps.

Akhil Satheesh

Akhil Satheesh

Akhil Satheesh is an electronics expert and the Founder and CEO of Soldering Mind. Specializes in designing innovative electronic circuits and custom, high-performance PCB layouts. Every project he shares on solderingmind.com is rigorously bench-tested to ensure accuracy for makers and hobbyists alike.

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