One of my favorite cabinets developed a buzz and I isolated it to one speaker. After removing the speaker I can get the buzz to go away by holding the spider (I believe that is the correct term for the webbing below the cone that forces sound to move outward) down with two thumbs. It seems the glue holding in place is no longer sound and I can gently lift it from its base. Curious if anyone knows what adhesive might work best to try and fix this? And I've read horror stories about trying to get Markbass cab repairs done. Anyone have experience? Seems absurd to buy a new speaker for this issue - no cracks, connections solid etc. It is just a hard place to reach! Many thanks.
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I watched a video where the spider was fixed in place with Dendrite glue. This is an glue common in Asia. Look it up but I would think any good quality contact rubber cement type glue would work well.
- Feb 12, 2006
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Rubber cement won't last, it's nowhere near strong enough.
Either an MEK glue or my preference is PVA glue will work but if the entire spider comes loose then the dust cap needs to be removed, the VC shimmed, the spider glued and then the dust cap needs to be replaced. Lots of opportunity to screw things up. It's why many shops will simply recone it (or replace the driver) rather than risk the speaker fails down the road and the labor gets refunded.
An experienced driver repair guy will use the same tricks I use, but they are not easy to describe and it's where the art supersedes the science. The also don't work 100% of the time, and there's also the danger of shorted turns from rubbing depending on how long it's rubbed and what may have happened during that time.
