はじめに
Hello everyone, good to see you back here. Today in this tutorial we are going to make a preamp circuit without using any kind of transistor or integrated circuit.
This preamplifier circuit will able to control and adjust bass, treble and volume manually.
必要な工具と部品
もう少しです！
ゴール
ある他の人がこのガイドを完成しました。
