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refoam Infinity speakers woofer question

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Archived from groups: rec.audio.tech (More info?)

Hi,

I have a pair of Infinity RS625 speakers which the original foam had
cracked on the woofers. I bought a pair of rubber surround and about
to attempt to replace the foam surround.

I noticed the original foam surround is glue underneath the cone.
Since gluing the new surround to the cone seems to be easier to the
top of the cone instead underneath the cone.

My question is: Is it okay to glue the new rubber surround on the top
of the cone instead underneath the cone? Does it matter which sides?

Thank you in advance.

Jack

Add a reply

Archived from groups: rec.audio.tech (More info?)

"Jack" <jack_z28NOSPAM.yahoo.com@> wrote in message
news:1jcqu0t4in32ja6l33s280t071t0eq9jma@4ax.com...
>
> Hi,
>
> I have a pair of Infinity RS625 speakers which the original foam had
> cracked on the woofers. I bought a pair of rubber surround and about
> to attempt to replace the foam surround.
>
> I noticed the original foam surround is glue underneath the cone.
> Since gluing the new surround to the cone seems to be easier to the
> top of the cone instead underneath the cone.
>
> My question is: Is it okay to glue the new rubber surround on the top
> of the cone instead underneath the cone? Does it matter which sides?
>
> Thank you in advance.
>
> Jack
>

See refoaming Infinity woofers at http://www.top-audio.de/infinity_classics/

Mike

Reply to Anonymous

Archived from groups: rec.audio.tech (More info?)

Thanks, but that web site didn't post instruction on how to refoam the
speakers. That web site advertised their business to refoam speakers
for a fee.

On Tue, 18 Jan 2005 16:44:23 -0000, "Mike Gilmour"
<mike@tfjazz.freeserve.co.uk> wrote:

>
>"Jack" <jack_z28NOSPAM.yahoo.com@> wrote in message
>news:1jcqu0t4in32ja6l33s280t071t0eq9jma@4ax.com...
>>
>> Hi,
>>
>> I have a pair of Infinity RS625 speakers which the original foam had
>> cracked on the woofers. I bought a pair of rubber surround and about
>> to attempt to replace the foam surround.
>>
>> I noticed the original foam surround is glue underneath the cone.
>> Since gluing the new surround to the cone seems to be easier to the
>> top of the cone instead underneath the cone.
>>
>> My question is: Is it okay to glue the new rubber surround on the top
>> of the cone instead underneath the cone? Does it matter which sides?
>>
>> Thank you in advance.
>>
>> Jack
>>
>
>See refoaming Infinity woofers at http://www.top-audio.de/infinity_classics/
>
>Mike
>

Reply to Jack

Archived from groups: rec.audio.tech (More info?)

Jack wrote:

> I have a pair of Infinity RS625 speakers which the original foam had
> cracked on the woofers. I bought a pair of rubber surround and about
> to attempt to replace the foam surround.
>
> I noticed the original foam surround is glue underneath the cone.
> Since gluing the new surround to the cone seems to be easier to the
> top of the cone instead underneath the cone.
>
> My question is: Is it okay to glue the new rubber surround on the
> top of the cone instead underneath the cone? Does it matter which
> sides?

I had a pair of tiny Infinitys from the eighties (RS2000) where the
foam gave out after only about six years. For a while I patched it
together by smearing silicone glue onto the cracked foam. Eventually,
several years later, when the foam broke down beyond all glueability, I
ordered a new pair of woofers from Infinity, which were less expensive
than I expected. It never occurred to me to buy surrounds separately.

But anyway, by adding glue on top of the foam, I mistreated the speaker
far worse than you would by just putting the surround on the wrong
side. I changed both the mass and the stiffness by some amount that
had to be kind of significant, and not even symmetrically... and yet I
could never hear any difference. So, I think you're going to be okay.

I just hope my newer larger Infinitys (RS5) don't end up having the
same problem. They have two woofers each.

The little RS2000's are now my computer's speakers, powered by an old
Pioneer 50W integrated amp I got cheap.

Reply to Anonymous

Archived from groups: rec.audio.tech (More info?)

"Jack" <jack_z28NOSPAM@yahoo.com> wrote in message
news:38rdv0lqibu3m4abos2au5r34785pi06ru@4ax.com...
>
> Thanks, but that web site didn't post instruction on how to refoam the
> speakers. That web site advertised their business to refoam speakers
> for a fee.

Apologies Jack, though try the Forum on that site.

Mike

>
>
> On Tue, 18 Jan 2005 16:44:23 -0000, "Mike Gilmour"
> <mike@tfjazz.freeserve.co.uk> wrote:
>
>>
>>"Jack" <jack_z28NOSPAM.yahoo.com@> wrote in message
>>news:1jcqu0t4in32ja6l33s280t071t0eq9jma@4ax.com...
>>>
>>> Hi,
>>>
>>> I have a pair of Infinity RS625 speakers which the original foam had
>>> cracked on the woofers. I bought a pair of rubber surround and about
>>> to attempt to replace the foam surround.
>>>
>>> I noticed the original foam surround is glue underneath the cone.
>>> Since gluing the new surround to the cone seems to be easier to the
>>> top of the cone instead underneath the cone.
>>>
>>> My question is: Is it okay to glue the new rubber surround on the top
>>> of the cone instead underneath the cone? Does it matter which sides?
>>>
>>> Thank you in advance.
>>>
>>> Jack
>>>
>>
>>See refoaming Infinity woofers at
>>http://www.top-audio.de/infinity_classics/
>>
>>Mike
>>
>

Reply to Anonymous

Archived from groups: rec.audio.tech (More info?)

Whoa, PS: I just applied for a job at a loudspeaker company. Maybe
soon I'll know all about them.

Reply to Anonymous

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