![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZHU6JbxCqvefmIGZo2pD1fmX1M0itWKQFxLKHv_xoEXMfENI-P3OTRiNu-Wjc6551onM-yTfTMZNkt9ULbB60ImNXDH_N3FZjU2svUMzbLxjEiS2Efo9WBKGhy4Ee0VrfF8ZdtoPHZQ0/s320/DSCN2714.JPG)
David built this new supply over the weekend to power an audio amp based on the STM TDA7293 IC. With a peak output of 100 watts it's amazing what $5.78 can buy....I bet there is some profit margin left in consumer audio products...The supply provides +/- 30vdc for the amp plus other outputs.