Components

1. 4×10KΩ resistor 1/4W.

2. 2×100KΩ resistor 1/4W.

3. 2×10KΩ-47KΩ resistor 1/4W.

4. 3×4.7KΩ resistor 1/4W.

5. 2×47KΩ resistor 1/4W.

6. 1×330KΩ resistor 1/4W.

7. 1×2.2KΩ resistor 1/4W.

8. 1×1KΩ resistor 1/4W.

9. 2×2.2KΩ resistor 1W.

10. 2×10Ω resistor 1/2W.

11. 2×Zener diode 1N4148.

12. 2×Zener diode 15V 1W.

13. 1×OP-AMP 4558D/ TL072/ 4558D.

14. 2×Transistor BD139.

15. 1×Transistor BD140.

16. 2×Transistor 2N5401.

17. 1×3 pin XHB connector base 2.54 mm.

18. 1×Capacitor 47nF(473) 50V.

19. 1×Capacitor 100pF(101) 50V.

20. 2×Capacitor 0.47uF(474) 50V.

21. 2×Capacitor 0.1uF(104) 50V.

22. 2×100uF capacitor 25V.

23. 1×10uF capacitor 50V.

24. 1×2 pin screw terminal.

25. 1×3 pin screw terminal.

26. 2×100K Single pot.

27. 2×0.33Ω resistor 5W.

28. 1×Transistor 2SC5200.

29. 1×Transistor 2SA1943.

30. 1×Bridge rectifier GBU808.

31. 2×4700uF capacitor 50V.

Hello Friends, I make a 100W subwoofer amplifier in this post using 2SC5200 and 2SA1943 Transistors, which can deliver up to 100W RMS output at 4Ω ±30V. For the low-pass filter of this amplifier, I have used the 4558D IC. This is a subwoofer amplifier. So, for that, you will connect the subwoofer only, and you can hear the low frequency. Overall, the sound quality of this amplifier is excellent. If you make this amplifier, you will not be disappointed.