Help identifying a Sub. Diamond Audio 10"

[Patrick B]

Picked this up for next to nothing at a year sale. It was in a normal sealed enclosure. Couldn't find anything on older stuff on their website. Tested at 4ohms with a multimeter. Just wondering what the general quality of this sub is and how much I should push it with. Might build a ported box to get more out if if possible. Thanks. Pics to come.

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[Patrick B]

No markings anywhere as far as model numbers. It's a SVC.

 

[Patrick B]

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