Always place the speaker on its back before unscrewing drivers to prevent them from falling and tearing the cone.

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The original poly-ether foam surrounds deteriorate over 15 to 20 years, turning into a sticky, crumbly residue that ruins bass response and threatens to warp the voice coil.

Apply thin weather stripping or "morta-brand" rope caulk behind the woofer frame and terminal plate before screwing them back in. This ensures the cabinet remains airtight for maximum bass punch. Performance Expectations

Use a soldering iron and desoldering pump to remove the old components. Solder the new film capacitors in their place. Film capacitors are larger than electrolytics, so you may need to secure them to the board using hot glue or zip ties. 4. Troubleshooting a Dead Tweeter