Audio SMPS designed to drive amplifiers up to 1000W

Product available in our webshop.
We are currently working on SMPS ver.3. In the comming weeks the new kit and finished product will be available for sale in our webshop.

WARNING: This product operates at mains voltage and has accessible live parts.

Disclaimer: The author assumes no liability for any incidental, consequential or other liability from the use of this product. All risks and damages, incidental or otherwise, arising from the use or misuse of the information contained herein are entirely the responsibility of the user. Although careful precaution has been taken in the preparation of this material, we assume no responsibility for omissions or errors.

Download bill of materials from here BOM ver.2

SMPS block schematic ver.2

Below 3D simulations show how to assemble SMPS ver.2

Click on below images to see detail pictures.

PWM module top and bottom.

How to use, up to you project, auxiliary Vaux options. Click on below image to open pdf document.

For SMPS trafo specs and winding info, please see below document.

SMPS boards are available at 15 euro/pcb, for orders please use contact page.

Schematic ver.2 in pdf format is provided only after PCB payment.

WARNING : Lethal voltages are present at some points of this product. Avoid direct contact with any part of the supply during operation / installation, and also within 5 minutes after the supply has been unplugged from mains in order to fully dischargethe storage capacitors.

For further information on this project you may visit elforum and diyaudio forums.

Archieve documents from earlier versions

SMPS schematic ver.0

Please note that above schematic will not fully match below gerber files.

SMPS gerber files ver.1 Only for DIY.

BOM (bill of materials)

For Audio SMPS complete KIT requests please use contact page.

Customer SMPS gallery

Below pictures are from various people who build QUASAR SMPS.

alex_mm SMPS ver.2

alex_mm SMPS ver.2