Noise in our systems

[Agaton Sax]

How noisy are components in our sound systems? This is a little test to sniffle out noise. Extremely simple. Take a really cheap AM radio. Tune it off-station  and hold the area where the inbuilt aerial is (usually top back) close to the component.

First two are linear vs switch mode power supplies. Last is the effect of displays.Please click on photo, this will lead you to Flickr and click on arrow.

Untitled by jdza, on Flickr

Untitled by jdza, on Flickr

Untitled by jdza, on Flickr

 

[Phase]

 

[Tzs503gp]

 

[Phase]

 

[Phase]

 

[reeman]

 

[Phase]

 

[Agaton Sax]

 

[Timber_MG]

 

[Lamb Chop]

 

[Agaton Sax]

 

[Lance]

 

[sajunky]

 

[Agaton Sax]

 

[Phase]

 

[Den123]