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 Capaci