[JeffB]

I found this paper today and thought it interesting enough to share.
It discusses the performance characteristics and trade-offs for materials and other design decisions that go into direct radiators.

http://www.nutshellhifi.com/library/speaker-design2.html

[DanTheMan]

Thanks Jeff!

Here's a couple more--a bit more technical:
http://www.klippel.de/download/bin/AN31-Cone%20Vibration%20and%20Radiation%20diagnostics.pdf
http://www.loudsoft.com/%5Cloudsoft%5Cmy%20files%5CALMA%20Paper%202003.pdf

I've got some practical examples probably worthy of their own thread here in the lab.

Dan

[DanTheMan]

A few more:
http://www.audioxpress.com/magsdirx/voxcoil/addenda/media/klasco409.pdf
http://www.klippel.de/pubs/Klippel%20papers/Measurement_and_Visualization_Cone_vibration_06.pdf
http://www.vibroacoustics.co.uk/audio/fsacbens.htm