Bass, Treble & Volume Control Board Preamp with Transistors for Audio Amplifier Hindi ELECTROINDIA

(This video has English subtitles)

This is the 2 Channel Preamp Audio Board. this board can control bass treble and volume. I used two BC548 Transistors and 0-12 volt supply for this project

Materials for the Project

·         2pcs 1M 1/4w Resistor https://www.utsource.net/itm/p/8295204.html

·         4pcs 4k7 1/4w Resistor https://www.utsource.net/itm/p/8295203.html

·         2pcs 56k 1/4w Resistor https://www.utsource.net/itm/p/8295265.html

·         6pcs 10k 1/4w Resistor https://www.utsource.net/itm/p/8307453.html

·         1pcs 1k 1/4w Resistor https://www.utsource.net/itm/p/8295193.html

·         4pcs 0.0022uf (2.2nf) Capacitor https://www.utsource.net/itm/p/8345021.html

·         2pcs 0.047uf (47nf)Capacitor https://www.utsource.net/itm/p/8588874.html

·         2pcs BC548 Transistors https://www.utsource.net/itm/p/1271614.html

·         6pcs 4.7uf 50v Capacitor https://www.utsource.net/itm/p/6485200.html

·         1pcs 470uf 25v Capacitor https://www.utsource.net/itm/p/8361735.html

·         2pcs 3pin 2.54mm Connector base https://www.utsource.net/itm/p/8333656.html

·         1pcs 2pin 5mm Connector base https://www.utsource.net/itm/p/6499377.html

·         1pcs 47k (or 50k) Potentiometer Dual https://www.utsource.net/itm/p/8045869.html

·         2pcs 100k Potentiometer Dual

if you want to make this project please watch the video carefully

 👉 Free Downloads
⬇️Gerbers File

⬇️PCB Layout PDF