Tuesday, April 17, 2012

How to Replace a Speaker Woofer

The woofer is the biggest speaker in a Pro Audio Cabinet. It is removed simply by unscrewing and gently prying the basket from the cabinet face. Oftentimes, woofer repair is as simple as replacing speaker surrounds or patching a tear in the cone. The former requires no removal of the entire woofer assembly; the cone patching is best done by removing the speaker basket (the metal frame). Detach the speaker wires for complete removal of the woofer and replace it with a new woofer.
Instructions
1.Remove the speaker grill (if there is one on the cabinet).
2.Unscrew the speaker woofer basket from the cabinet. The screws are usually Phillips-head, although they can be any type of wood screw.
3.Use a knife or flat-head screwdriver to ease the basket from the wood frame.
4.Lift the woofer out of the cabinet. Once the woofer is removed, detach the wires from the woofer's contacts.
5.Cones can be patched with paper of an equivalent weight and a little white glue. Spread a thin film of glue on a paper patch and attach the patch to the rear of the cone.
6.Foam surrounds can be replaced separately. Clean the metal frame of old surround residue. Apply adhesive to the metal frame (supplied with repair kits) and press down with your fingers until bonded.
7.Apply a thin bead of adhesive around the perimeter of the cone front and press the surround repeatedly around the cone circumference until bonded.

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