AR-5 SPEAKER WOOFER DRIVER as pictured, it's pulled, have new surround foam  installed, in good sounding condition (tested) impedance= 8 Ohms, mounting hole to hole= 9 3/4" (flange= 10” diameter) Since this item is highly “MISHANDLING SENSITIVE” it is intending for professional (whom who know it well) and it is final (no return or refund) Please buy or bid accordingly. Thanks for looking.