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Mriganka Majumdar

INDIA • + Follow Edit Project

0

Description

50+50W dual ch. amplifier.

Components

1. 4×47KΩ resistor 1/4W.

2. 4×4.7KΩ resistor 1/4W.

3. 2×1KΩ resistor 1/4W.

4. 2×100KΩ resistor 1/4W.

5. 2×2.2KΩ resistor 1/4W.

6. 4×10Ω resistor 1/2W.

7. 4×0.33Ω resistor 2W-5W.

8. 6×1N4148 Zener Diode.

9. 4×Transistor 2N5401.

10. 4×Transistor BD139.

11. 2×Transistor BD140.

12. 2×Transistor C4793.

13. 2×Transistor A1837.

14. 1×Bridge Rectifier GBU808.

15. 2×100pF (101) capacitor 50V.

16. 2×0.1uF (104) capacitor 50V.

17. 2×10uF capacitor 50V.

18. 2×4700uF capacitor 35V.

19. 1×3 pin XHB connector base 2.54 mm.

20. 1×3 pin screw terminal.

21. 2×2 pin screw terminal.

Hello Friends, In this post, I make a stereo amplifier using two pairs of C4793 & A1837 Transistors, which can deliver up to 50W output per channel at 4Ω ±35V.

Schematic and Layout

All Files

https://www.technicalmriganka.com/2025/07/50w50w-stereo-amplifier.html

Download Gerbers Download BOM(Bill of materials)

Jul 14,2025

482 views

50+50W dual ch. amplifier.

50+50W Amplifier

482

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Published: Jul 14,2025

Standard PCB

Download Gerber file 12

BOM(Bill of materials)

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Under the Attribution-ShareAlike (CC BY-SA) License.

PCB
Rigid-Flex
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Topic

DIY Electronics

11thAnniversary Audio Stereo Amplifier DIY

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