Say for 12, 15 or 18 inch ones - does anyone produce just the cone with
cylindrical back extension with coil for known or standard makes. ?
Where the original has burnt threw the cylindrical former due to DC fault so
could not try rewinding on the original. Seems a shame to chuck all that
steelwork and magnets for the sake of some card and half an ounce of copper
wire.

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Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/