400 W MOSFET Audio Amplifier Using IRFP448

17 January, 2012 | Amplifier | By: TB

This 400 W MOSFET Audio Amplifier using IRFP448 circuit is simple project. With low noise and distortion, but powerful. As the fuel, this project consume 70-80 Vdc and 5 A fuse as the protector for short circuit.
Basically, this IRFP448 400 W MOSFET Audio Amplifier accomplishing four step for reach maximum amplification. For the details, you can see the diagram. Four pairs IRFP448 as stable MOSFET gate.
As well as ease you to built this project, images of PCB and component layout shown below.

400 W MOSFET Audio Amplifier circuit using IRFP448 Component Layout