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rads



Member Since: 04 Sep 2011
Location: Herts
Posts: 157

2005 Range Rover Vogue SE Supercharged Tonga Green
URGENT advice please - subwoofer

Going to keep this short, car in pieces, it's dark and the mood of the wife is getting darker.

Had a nasty rattle from the sub. Tried the one accessible fixing bolt, was loose, tightened it, no better.

Stripped the panel out, found by tapping the cone of the sub, I could hear a metallic rattle.

Took the speaker out, found the following:

Click image to enlarge


Click image to enlarge


Looks to me that the "bit in the middle" which I think should be driven by the coil, forcing the cone in and out has become detached.

Now the urgent bit. I reckon this speaker is toast, so little to lose. I think I am going to run a bead of hot melt glue around the central bit, to stick it to the cone.

Is this a disastrously bad idea for any reason?

David

Post #82671 20th Sep 2011 7:22pm
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JustinP



Member Since: 24 Oct 2010
Location: Cambridge
Posts: 889

United Kingdom 2006 Range Rover Vogue SE Supercharged Java Black

probably better with a silicone sealer as it will be more flexible 
Gone - Range Rover Supercharged 2006

Post #82674 20th Sep 2011 7:41pm
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Rob2529



Member Since: 22 Nov 2010
Location: Wirral, uk
Posts: 1470

United Kingdom 2004 Range Rover Vogue 4.4 V8 Oslo Blue

is this the rear sub or the center one in the dash? [img]http://www.fuelly.com/driver/rob2529/range-rover[img/]
04, 4.4V8, Vogue Oslo Blue with LPG.
"You can sleep in your car, BUT you can't race your house!!!!"

If something can't be fixed with a hammer....... You have yourself an electrical fault!

Post #82680 20th Sep 2011 7:54pm
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simon1233



Member Since: 13 Jun 2011
Location: Leyland, sometimes Darmstadt
Posts: 650

United Kingdom 

Hot melt glue should be OK, you may need something stronger ultimately as the 'bit in the middle' is the driver of the speaker (not technically accurate but you know what I mean) and makes the whole cone panel move - On a sub the movements can be quite violent so it needs to be a strong bond.

Let us know how you get on

Post #82681 20th Sep 2011 7:55pm
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rads



Member Since: 04 Sep 2011
Location: Herts
Posts: 157

2005 Range Rover Vogue SE Supercharged Tonga Green

Been watching some YouTube stuff from the states. One recommends a 2 part epoxy. Had been leaning towards silicone, but don't think the cone flexes much that close to the centre so now starting to think about araldite. Got the time it takes me to finish my take away curry ( wife not cooking ) to decide!

Thanks for input so far.

David

Post #82688 20th Sep 2011 8:01pm
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rads



Member Since: 04 Sep 2011
Location: Herts
Posts: 157

2005 Range Rover Vogue SE Supercharged Tonga Green

Araldite now on, so not better suggestions now please! 10 mins to set before handling, so will install it tonight, but not going to exercise it til tomorrow.

David

Post #82704 20th Sep 2011 8:36pm
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kingpleb



Member Since: 07 Jun 2011
Location: Maybe here. Maybe there, I get everywhere!
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United Kingdom 2005 Range Rover Vogue Td6 Bonatti Grey

Why not try a local audio specialist store and see if they have anything in that could replace it??

Post #82717 20th Sep 2011 8:51pm
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SteveMFr
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Member Since: 22 Nov 2009
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No better suggestions - pretty sure epoxy was the best way to go.

No audio specialist is going to have speakers in that shape and size, so if it doesn't hold, you either do some adaption of another speaker or look on the bay or a breakers. 
RRC 2Dr, RRC 4Dr,
P38, and 2 L322s
(wife thinks I'm nuts - prob right, too)

Post #82738 20th Sep 2011 9:33pm
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rads



Member Since: 04 Sep 2011
Location: Herts
Posts: 157

2005 Range Rover Vogue SE Supercharged Tonga Green

Quote:
Why not try a local audio specialist store and see if they have anything in that could replace it??


Because they are all shut. Wink

That may well be the next move if plan A goes belly up.

All back together now, getting to the sub is trivial once you have done it once. Will report back.

David

Post #82743 20th Sep 2011 9:41pm
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rads



Member Since: 04 Sep 2011
Location: Herts
Posts: 157

2005 Range Rover Vogue SE Supercharged Tonga Green

Early signs are this just may have worked, no more odd rattling thumps from the back (even to Britney, Dan).

It is even possible that a 2 part epoxy was not just the best available option last night, but was actually the right thing.

http://www.simplyspeakers.com/speaker-repa...-1500.html

Will report back if the fix does not hold, but looking good so far.

David

Post #82816 21st Sep 2011 12:04pm
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dan_uk_1984



Member Since: 12 Nov 2008
Location: Bude, Cornwall
Posts: 4014

United Kingdom 2006 Range Rover Supercharged 4.2 SC V8 Tonga Green

Top job David - that explains why the sub looked OK when I looked at it!

Just go easy on Britney from now on! 

Post #82821 21st Sep 2011 12:35pm
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rads



Member Since: 04 Sep 2011
Location: Herts
Posts: 157

2005 Range Rover Vogue SE Supercharged Tonga Green

Just to close this out.

Click image to enlarge


Araldite was not quite as neat as I would like, applied with a long wooden skewer between the cone and the underside of the voice coil and some squished out as I pushed the coil down. Araldite rapid sets really quite fast !) so need to work fairly quickly.

Just about a week in now, and seems to be holding up, and sounding fab!

David

Post #84379 28th Sep 2011 11:28am
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