[tab10672]

As for the speaker cone, my 20 has the center cone glued to the outer ridged/flexing ring, if the outer ring is ok I have used black construction paper cutting the inner cone out leaving a 1/4" lip on the spider and outer rim for glue, then I cut the paper from the side into the center pulling it in like making a funnel, lay it inside the speaker and let it unfold to fit, mark along the line you cut, cut off excess leaving a 1/4" lip to glue to itself, glue it to both inner and outer lips and paint it with lacquer to stiffen it. I have done this on a 20 and 70 and as long as the outer ring is not damaged it looks factory when finished and works fine.