Silver speaker Question

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wrstps
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Silver speaker Question

Post by wrstps » Sat Jan 08, 2011 12:39 pm

Hi all, I was just emailed by the Sauters that my ribbons for my Silvers are on there way home, however while at a friends home this week, he also has the same speakers, I noticed that his ribons produced more punch, not a lot just enough to be noticed. I started looking around and found his ribbons had a material on the back side of the ribbons. Is this normal? I know its not because of his amp only about 130 watts. If this material is OEM where can I pick some up?

Ray

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Re: Silver speaker Question

Post by TNRabbit » Sat Jan 08, 2011 12:45 pm

Are you talking about a heavy, felt material? It was used on some of the later models to reduce rear reflections somewhat. I have it on my AL-IIIs.

You can see it in this pic:

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Don
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Re: Silver speaker Question

Post by Don » Sat Jan 08, 2011 1:06 pm

TNRabbit wrote:Are you talking about a heavy, felt material? It was used on some of the later models to reduce rear reflections somewhat. I have it on my AL-IIIs.

You can see it in this pic:

Image

Yep. Have the same felt material on my Plat 4's.

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Re: Silver speaker Question

Post by wrstps » Sat Jan 08, 2011 1:50 pm

Thats it...I bought my silvers from a person here in Michigan and there was no felt on the back of the ribbons. I did notice some sticky tape along both sides of the ribbon rears. Guess I need to by some felt for the back.
Ray.

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Re: Silver speaker Question

Post by BillD » Sat Jan 08, 2011 2:06 pm

Yes, it's on the back of some ribbons to absorb some of the back firing and makes them a lot less sensitive to wall positioning and baffle edge cancellation. Some people add "really thick" padding back there, rather than the simple felt that's there.
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Don
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Re: Silver speaker Question

Post by Don » Sat Jan 08, 2011 2:49 pm

BillD wrote:Yes, it's on the back of some ribbons to absorb some of the back firing and makes them a lot less sensitive to wall positioning and baffle edge cancellation. Some people add "really thick" padding back there, rather than the simple felt that's there.

I can vouch for the thick padding. When I moved my Plat's against the wall to use as center channels, sounded much better to my ears with a 1 inch think sound absorbing material attached to the back vs just the felt material. Vocals much cleaner and more distinct. Here is where I discuss: viewtopic.php?f=15&t=12878

Nothing to lose by trying. Try it temporarily to see if you like the effect or not. I remember a reviewer from BAS actually preferred the Plat's with a sound absorbing pad behind the ribbons.
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Re: Silver speaker Question

Post by Toy Maker » Sat Jan 08, 2011 2:55 pm

I would assume any. Felt from a local fabric store would work just fine.
I have never seen anyone that has OEM felt for them, and we have all the OEM carver speaker parts.

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Re: Silver speaker Question

Post by wrstps » Sat Jan 08, 2011 4:31 pm

I remember a post somewhere about diffraction material that was expensive and I blew it off, but if felt can do what I heard I'm in!!!!

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Re: Silver speaker Question

Post by Magic_Physicist » Sun Jan 09, 2011 4:58 am

This made me take a look at mine because I thought I remembered something on the back of the ribbons.

On one I just see 4 pieces of tape that may have had little foam piece on it but the other has nothing.

But then these are the update to the 60" ribbons and I still have the original ribbons in my collection (with the X-overs)

I should probably bring them in the house instead of out in my storage room :?

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Re: Silver speaker Question

Post by Scarabeo » Sun Jan 16, 2011 12:21 am

That foam on the back of the Ribbons rot fast. The Plat's had two pieces with one at the top of the ribbon and one at the bottom - I removed what was left one My set long ago.
BillD, You will be forever with us! RIP until we meet again on the other side...

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