12’’ Alpine Type-R Subwoofer in Freeair, MAXIMUM Excursion

Here is one of the two extra Alpine Type-R subwoofers I have. Pulled it strait out of the factory sealed box, hooked it up free air, just to see what it can do. I was feeding it around 600-700 watts RMS continuous clean power from an Alpine MRD-M1005. It’s hooked up @ 4 ohms, with the coils in series. There was a couple times I smelled it get warm, and it did bottom out VERY lightly, but there was no smoke, or damage at all. I did reach the thermal capacity if the coil, even under this extreme excursion, wh