Home Speaker Asylum

General speaker questions for audio and home theater.

RE: yep, the "Smaller Advent" are what I have

The smaller Advents have that mass of wood pulp fiber adhered to the center of the cone (for added mass, to lower the driver's resonant frequency). That makes refoaming a bit trickier, because the mass can make the cone lean one way or another while the glue is setting, and you might get some voice coil rubbing.

I have seen some folks cut that pulp mass off, shim the coil, glue on the new foam, and reglue the pulp mass. Even if you're a surgeon, cutting and regluing that pulp mass will leave a mess. You can avoid that if you're really careful. When you glue on the new surround, keep the driver on its back, pointing straight up and level, and before the glue dries, gently press the cone vertically to make sure the voice coil isn't rubbing.

Good luck. I have a pair of smaller Advents (bought new, refoamed once and caps replaced with mylar films) and I think they're great.


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  • RE: yep, the "Smaller Advent" are what I have - JonM 05:19:06 05/23/21 (0)

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