TDA7294 Bridge Subwoofer Amplifier 200W PCB Circuit Board Power Amp Sound Audio Systems DIY
The product is a blank PCB. There are no components on the this circuit board.
PCB Features:
-2 Layer PCB
-Material:FR-4,
-Copper Thickness: 1oz
-PCB Surface Finish: HASL with lead
-Colour: Purple
-Dimensions: 87.90 x 81.20 x 1.6 mm
Super quality PCB. Solder pads are corrosion resistant. Soldering quality is very important in audio and high-frequency circuits. Thanks to the quality lead finishing on the Pads on the PCB, the soldering process is high quality. PCB quality greatly increases the operating performance of such circuits.
*Power Supply - For get best performance of this amplifier, you should use 18-0-18V to 24-0-24V 6A-8A Transformer.
Components
1. 2×TDA7294 IC.
2. 1×4558D/ TL072/ TL082/ NE5532 IC.
3. 5×22KΩ resistor 1/4W.
4. 10×10KΩ resistor 1/4W.
5. 2×680Ω resistor 1/4W.
6. 2×47KΩ resistor 1/4W
7. 1×100KΩ resistor 1/4W.
8. 1×330KΩ resistor 1/4W.
9. 1×4.7KΩ resistor 1/4W.
10. 1×1KΩ resistor 1/4W.
11. 1×100KΩ Preset.
12. 2×47uF capacitor 50V.
13. 4×22uF capacitor 50V.
14. 4×4700uF capacitor 35V
15. 1×0.047uF (473) capacitor 50/100V.
16. 4×0.47uF (474) capacitor 50/100V.
17. 4×0.1uF (104) capacitor 50/100V.
18. 1×8 pin IC base/ socket.
19. 1×7812/ 7815 + voltage regulator.
20. 1×7912/ 7915 - voltage regulator.
21. 1×Led 3 mm.
22. 1×2 pin connector Base/ Socket 2.54 mm.
23. 5× 6.3 mm vertical PCB terminal.
24. 1×Singe turn potentiometer 47K/100K.
25. 1×IN4148 Zener diode.
26. 1×GBJ2510 Bridge Rectifier.
You can access installation of the circuit, bill of materials, schematic and all the technical details in the video.
Video:
youtube.com/watch?v=74zRvYdKJFo