Hi
Here are three decent online articles on damping.
Probably in the order they should be read if you are not familiar with the topic.
Murphy: http://www.trueaudio.com/post_013.htm
Pierce: http://www.diyspeakers.net/Articles/Richard%20Pierce%20DAMPING%20FACTOR.pdf
Tomcik: http://www.otlamp.com/articles/tomcik/index.html
Here are three decent online articles on damping.
Probably in the order they should be read if you are not familiar with the topic.
Murphy: http://www.trueaudio.com/post_013.htm
Pierce: http://www.diyspeakers.net/Articles/Richard%20Pierce%20DAMPING%20FACTOR.pdf
Tomcik: http://www.otlamp.com/articles/tomcik/index.html