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Drag on driver causing noise

I bought a pair of old bookshelf speakers with the intention of using them as a part of a desktop setup. The seller was straightforward that the cone was rubbing, and it was affecting the sound. The first time he demo-ed it, the distortion occurred as he said; he paused the music, we poked at the driver to feel the drag (which there was), then he started the music back up, and the problem temporarily abated.

I got a discount as a part of my purchase, my question is what are my less invasive options to try before I start taking off the dustcap/cone/etc?

Thanks

ricksgiving
toddalin's avatar
toddalin
176 posts
 

Sometimes a voice coil rub can be mitigated by turning the speaker over (i.e. rotating it 180 degrees). If they are small, perhaps you could try rotating the cabinet to find a position where this doesn’t occur, then re-mount the woofer to this position.

It’s free to try.

 

Ag insider logo xs@2x
bruce19
219 posts
 

@toddalin +1 I was going to suggest the same.

ricksgiving OP
19 posts
 

Coincidentally, the seller suggested this. I have had the speakers flipped upside down since I purchased them. The point of friction is not at 6:00, it's more like 4:00.

paradisecom
281 posts
 

As others have suggested, remove the rubbing driver and invert it 180* and reinstall.  This can usually fix the issue.

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