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Content 4/4

This is the Echo Effect Preamp Board. this board can echo your voice.

I used PT2399 IC and 0-20 DC (0-12 recommended) supply from the amplifier


Materials for the Project


  •        6 Resistor 10K

  •        2 Resistor 15K

  •        1 Resistor 1K

  •        1 Resistor 2.2K

  •        2 Resistor 330K

  •        1 Resistor 4.7K

  •        1 Resistor 5.6K

  •        1 Resistor 6.8K

  •        1 Capacitor 1000UF25V

  •        1 Capacitor 47UF25V

  •        1 Capacitor 10uf50v

  •        1 Capacitor 1uf50v

  •        3 Capacitor 4.7uf50v

  •        2 Capacitor 560 PF

  •        1 Capacitor 0.047uf = 473

  •        2 Capacitor 0.082uf = 823

  •        3 Capacitor 0.0033uf = 332

  •        2 Capacitor 0.1uf =104

  •        1 Capacitor 220pf

  •        1  LED

  •        1 IC Pt2399

  •        1 IC 7805

  •        1 Potentiometer 22K

  •        1 Potentiometer 10K

  •        1 Transistor BC548B

  •        2 Connector 2Pin_2.54mm

  •        1 Connector 2Pin_5mm


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

(This video has English subtitles)

Dec 27,2018
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