See DC servo MOSFET Amplifier circuit with PCB, OCL Output 100W. It has excellent low-frequency response & durability. You may like it.
![Простой усилитель без лишних понтов [2014]](https://i.pinimg.com/originals/4b/32/cd/4b32cd67e8a1a52e09e90125dfce1449.jpg)
