Magnadyne 3 INCH Dual Cone Speaker/Grill - Polypropylene Woofer Cone 2.8 oz Magnet Sold AS A Pair (White)

how to reform a speaker with a polypropylene cone start by scraping the old foam off of the polypropylene cone just use a straightedge blade or utility knife blade and scrape as much as you can you can't get all of it off don't use lacquer thinner solvent then use your utility blade and holding the edge so it points away from you cut the foam off of the frame just scrape it in the 360 degrees circle until it's all gone sometimes it will peel right off and make your life a little easier once you have the frame clean and the cone as clean as possible you're ready to refill we like to take the dust cap off and use shims to keep the voice coil centered so cut the shims that you receive in little strips cut the dust cap off horizontally be careful when you come over the leads that you don't cut the leads and just take off some or most of the dust cap insert the shims into the space between t