Alpine SWR-843D Type-R 8" Subwoofer with Dual 4-Ohm Voice Coils
This is an 8\\" sub???  I don't think it realizes it is.<br /><br />I bought one of these to use in my 2003 4Runner in a custom vented enclosure.  I am powering it using a PPI Phantom P1000.1 amplifier that feeds it around 700 true watts @ 14.4v (sub wired in parallel for 2 ohms).  It seems to be just a bit too much power for it, but I believe it's more the fault of the larger vented enclosure I am using.  The enclosure was purposely built a bit large to get the response and tuning I wanted.  As I experimen