Not a very good 15”. Often used because it is cheap & hi Q. It took a lot of work to make the ones i had sound even decent.
dave
In my case the first thing was to dampen the woofer frame with bitumen, but it did'nt eliminate the ringing, it got better but not so good that i can live with it. So i played with the low pass a lot and adjusted it to not let more than 200hz through and it worked. Actually no need for more because the natural rolloff of the 8" inch is mixing well with it on my baffle. So my experience and findings are that this driver can be used only for the very low frequency basically used as subwoofer in this design to not sound shitty and cheap.
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