Note: It is easy to put too much pressure on one side of the cone and cause a rub, so be careful to apply even and centered pressure on the cone. If there is an obvious rub, then remove the re-cone assembly carefully and following the above procedure re-install. If everything seems OK, then proceed to next step.
14.Install your speaker back in its enclosure. Connect the speaker to your system and adjust your system so you are listening to the subwoofer only. Start at a very low volume and listen for any mechanical rubbing sounds. Continue to increase volume until you reach the maximum power for your system. If you do not hear mechanical noise, i.e. voice coil rubbing, congratulations! you are done.
15.If you do hear coil rubbing, turn the system off immediately and start the entire procedure again from the beginning. Inspect the gap carefully for metal particles. If you see any, clean them out with masking tape. (The adhesive will hold the metal and allow you to remove it. If you can't remove all of the particles or if you can not successfully complete the
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