pre

November 23, 2023

Toni

Cmoy Audio Amplifier Circuit for Headphones with Printed Circuit Board. Cmoy is a small headphone amplifier circuit, the original design ...

November 12, 2023

Toni

A multimedia player based on the Jieli JL AC6955F development, supporting Bluetooth 5.1 and SD card playback. Include lithium battery ...

November 4, 2023

Toni

Diy RIAA Phono Preamp circuit with opamp It’s a phono preamp based on the design of rod ellion (sound-au.com) ituses ...

October 21, 2022

Toni

Stereo preamplifier 2.1 , tone control + subwoofer, useful preamplifier circuit to be used in active boxes, combined with power ...