Various speakers parameters

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Hi all,

I have collected few woofers/subwoofers form a friend of mine, but I can't find any information about them.
They are:

1. Fenner subwoofer, 266 mm., carbon fiber, 300W vented
2. Coral CW166 woofer, 160 mm.
2. Sonavox S-28 Woofer, 200 mm.

I think they are for car audio, but I'm not sure.
Can anybody here help me with Thiele/Small parameters, or with a box calculation for such a kind of speakers?

Thanks in advance,
Giovanni
 
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