This time I will share Gerber file and schematic for LM1875 HiFi Gainclone chip amplifier, this power amplifier is a new design with Rounded PCB. you can download the Gerber file at the end of the post. This schematic can be using 25VDC up to 40VDC symmetrical power supply with current 3-5A. It can produce high-quality sound, you can check the video also in this post.
Video assembling and tested amplifier:
Gerber File LM1875
Gerber File Volume control simple