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SPEAKER FORUMS >> HDT >> loose ring on front of FE206 driver
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Message started by zinker on 04/06/06 at 17:26:11

Title: loose ring on front of FE206 driver
Post by zinker on 04/06/06 at 17:26:11

I am finally getting around to staining and painting my HDTs. Last night when I removed the drivers (Steve's modified Fostex206) I noticed that the plastic ring that circles the surround on the front was loose in a couple of spots. I can imagine that this could cause distortion through resonating but I am not sure.
I have not attempted to push it back to see if it locks back in place, nor have I tried to remove it. I figured I would ask some questions before messing with it.
Also, after reading of Steve's Doughnut Modification, I am wondering if it should be removed all together. Does it acually hold the surround to the basket. Do the concentric serrations effect the sound? Is it purely a cosmetic piece?
Does anyone have any experience with this ring being loose?

John

Title: Re: loose ring on front of FE206 driver
Post by gnat leader on 04/06/06 at 17:53:29

This happended to one of mine. Just use some fast drying glue (superglue?) to glue it back in place. You can use clear or black silicone if you place the speaker on it's back and put something on the ring to weigh it down long enough for the glue to set. Don't put too much glue or it will ooze out the sides and look ugly. But if this happens you can prob take a razor knife and cut away the excess after it dries.

Title: Re: loose ring on front of FE206 driver
Post by zinker on 04/06/06 at 17:55:54

Thans Brad.
Do you think Durobond will do the trick?

John

Title: Re: loose ring on front of FE206 driver
Post by gnat leader on 04/06/06 at 18:11:06

I'm not familair with Durabond

Title: Re: loose ring on front of FE206 driver
Post by zinker on 04/08/06 at 12:57:03

I believe the Durabond is what Zigi recomends for installing the passives. I might be wrong however.
Thanks for your help Brad!
John

Title: Re: loose ring on front of FE206 driver
Post by Chris K on 04/08/06 at 16:23:40

Usually Bob refers to it as "Weldbond" but it might be the the same type of product with a different brand name.
The rings were/are all loose on the FE206E's I had and the FE167E's I have, so its a common production "issue" with Fostex drivers. Some are on so good it's a PITA to get them off. Why would you need to though right?

Title: Re: loose ring on front of FE206 driver
Post by Young_SC on 04/10/06 at 10:26:58

Maybe to install the new surround for the 'doughnut technology'?

There doesn't seem to be much room to glue the surround to the outer edge.

Title: Re: loose ring on front of FE206 driver
Post by zinker on 04/10/06 at 13:06:56

The picture of the installed doughnut looks like it is glued right to the ring. It seems like a strange surface to glue to. It is serrated.
I don't know, though. That's why I thought to ask before doing anything. If I decide to upgrade the drivers and the ring does need to be removed I wouldn't want to glue them.

Thanks for your input everyone!
John