This Power supply Circuit base on the famous sigma11 circuit. Stable voltage, ultra-low noise, ultra-low ripple. very suitable for updates all kind audio device Power supply.


Input voltage: AC115V or AC230V (Optional)

Output voltage: We have the following DC combination voltages to choose from. If you need other customized voltage combinations, please buy the customized version and contact us.


◆ DC 5V ------- 3.5A (MAX)

◆ DC 9V ------- 3.5A (MAX)

◆ DC 12V ------- 3.5A (MAX)

◆ DC 15V ------- 3A (MAX)

◆ DC 18V ------- 2.3A (MAX)

◆ DC 19V ------- 2.1A (MAX)

◆ DC 20V ------- 2A (MAX)

◆ DC 24V ------- 1.8A (MAX)

◆ DC 28V ------- 1.5A (MAX)

◆ DC 32V ------- 1.5A (MAX)


Size: 245mm X 70mm X 258mm (WxHxD)

Transformer : 2 PCS 50VA OFC Toroid transformer

Weight: About 4.9kg

DC Plug size: Outer diameter 5.5mm, Internal diameter 2.5mm

(It will also compatible with 5.5*2.1mm socket. If you need other Size DC Plug, Please contact us).

Power supply Polarity: "1+" / "2-"

DC plug Polarity: Inner"+", External"-"



Package include:

A11 Linear Power supply                          X 1

0.8M Length DC cable                        X 2


NOTE: Default is no AC power cable included !!!