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Speaker dust cover ripped


deepbass5
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Was at a jazz jam last Wednesday and rather annoyed to discover a farty speaker that was fine on the gig Saturday then noticed the dust cover in the center was ripped. I thought something must have been poked in the grill at the gig but on getting the grill off at home I noticed what looked like a piece of wood up inside the coil behind the cover ??

Knowing it was curtains decided to cut out the center to see if i could remove it and do a repair - nothing to loose.

anyway see pictures there is a piece of machined cardboard the stuff carpet tubes are made of with four pillars as though this should house something, I thought it must be a guide for the moving part of the voice coil but the tolerances were too great to have any effect for anything like that, it was clearly once glued to the magnet structure at the base of the voice coil and had broken loose ripping the center.

  As i could not see what the hell it was for I tissue papered the dust cap and after some PVA glue and careful positioning  stuck it back together.

I 'm please to report it sounds just fine - big test at practice levels tomorrow night

It ain't pretty but is functional, that'll do me just fine.

Note. this was a 350 watt 4 ohm 12" Eminence

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Me too

It was glued in as photographed, the dark grey ring inside the coil on the magnet housing being the glue, this coming off and twisting round did the damage.

Just wonder If this has been re- coned in the past Or maybe Eminence have adapted a model where this does more to help move air to help cooling, the four holes must be for something.

Anyway sounded great last night so if still good at Thurs rehearsal, it will go to the Friday and Saturday gigs

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