Shielding unshield speakers: Possible?

Check Parts Express for"buckng magnets". They get epoxyed against the magetic force. This will make your speakers sheilded. I know Polk sells them also for their older speakers, Monitors and SDAs.

Do a search in the archives on SHIELDED for a previous discusion.

Magneticic fields are not affected by copper or other non-magnetic materials so I'm afraid Rwwear's suggestion won't work.

Copper would not seem to work but it is used by some manufacturers and has been recommended in the past by the Loudspeaker Cookbook.

called cacelation magnet at parts express