i have a rockford power punch dvc 15 this sub is in great con there are a couble of scratches on the magnet besides that this sub is in perfect condition. i am open to all trades just let me know what you got.
Use a DMM. You connect the DMM sensors to the terminals for each coil and set the DMM to ohms. It will display the impedance of each coil. This verifies that both coils are not toasted or damaged.how would i go about that?