Gridracer - Thank you for trying. I have read this document. It is the only document with any information. Looking for something more.....

Nobody has this information ?

I do not understand the question. Frequency characteristics are essential information for the speakers. They are starting to design filters and others.

Hi
Im have cyclone speaker. I read cyclone_info.pdf:

"Ferquency Response....20Hzto 60 Hz"

all clear - but i can't find graph of the frequency response.
Please help me

Nice day
Bob