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Genelec M604289631

Before the repair can be carried out, the metal front containing the woofer and tweeter must be removed from the speaker cabinet.

The metal front without the woofer
New foam surround for Genelec M604289631 woofer - metal front of the speaker


First remove the woofer from the metal front. To do this, loosen the four screws at the back of the front.
New foam surround for Genelec M604289631 woofer - remove the woofer from the metal front


The Genelec M604289631 woofer, detached from the front.
New foam surround for Genelec M604289631 woofer - the woofer


What you need for the repair:
New foam surround for Genelec M604289631 woofer - what you need for repair


Securely seal the area around the dustcap with painter's tape. This prevents dust from entering the interior of the woofer. Then remove the foam remains from the woofer frame. First scrape away the coarse residue, then clean the frame as clean as possible with a cotton swab dipped in alcohol or another solvent. If necessary, roughen the clean frame slightly with a scouring pad.
New foam surround for Genelec M604289631 woofer - cover & clean up


There is often also foam residue on the back of the metal frame to which the woofer was screwed. Remove those residues as well.
New foam surround for Genelec M604289631 woofer - remove remains of foam surround


The frame of the woofer is now completely clean. Support the cone with your hand and carefully remove the adhesive residue from the cone edge. Do not remove too much as this may damage the black coating of the woofer.
New foam surround for Genelec M604289631 woofer - clean the woofer frame and cone edge


When the edge of the cone is clean enough (the edge does not have to be 100% free of glue residue), apply glue to the edge of the cone and the inner lip of the foam surround.
New foam surround for Genelec M604289631 woofer - apply glue to the surround and speaker cone


Glue the foam surround to the cone. To facilitate adhesion, a weight (here: a roll of magnetic tape) can be placed on the inner edge of the foam surround.
New foam surround for Genelec M604289631 woofer - a weight makes adhesion easier


....or use a different weight.....
New foam surround for Genelec M604289631 woofer - a weight makes adhesion easier


When the glue is dry, glue the foam surround to the frame. Apply glue between the woofer frame and the foam surround with a brush or a syringe. Then glue the foam surround to the frame. Again, a weight can help keep the parts to be glued together. Here we use magnetic tape....
New foam surround for Genelec M604289631 woofer - a weight makes adhesion of the foam surround and woofer frame easier


...but something else, in this case a tea glass, can also fit...
New foam surround for Genelec M604289631 woofer - a weight makes adhesion of the foam surround and woofer frame easier


...and otherwise this homemade row of weights always fits....
New foam surround for Genelec M604289631 woofer - a weight makes adhesion of the foam surround and woofer frame easier


Then screw the woofer back onto the metal front plate.
New foam surround for Genelec M604289631 woofer - screw the woofer back onto the front plate


And the end result...
New foam surround for Genelec M604289631 woofer - after repair


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