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Foam for wave guide?

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Campindog

Foam for wave guide?
« on: 24 Sep 2023, 07:17 pm »
The foam inside my RM30's wave guide is done and melting away. This is for the original slotted grills. Does anyone know where Brian sourced this? Was it tape or glued in place? Any alternitives?
Thanks,
 Derek   
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Doublej

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Re: Foam for wave guide?
« Reply #1 on: 24 Sep 2023, 10:53 pm »
No Rez is a possible substitute. I would contact GR Research and ask them.


https://gr-research.com/product/no-rez-24x27-4-pack/


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GeorgeAb

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  • Posts: 384
Re: Foam for wave guide?
« Reply #2 on: 26 Sep 2023, 04:19 pm »
Here is a post on wave guide which includes drawing diagram and recommended material. https://www.audiocircle.com/index.php?topic=176018.0

From post: "Material recommended was Bulk Fine Foam Filter 60 PPI 12x16x3/8in Uni BF-4."

Looks like it is availble here: https://www.amazon.com/FOAM-FILTER-SHEET-BLACK-Manufacturer/dp/B008Y2H73E

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Bob Stark

Re: Foam for wave guide?
« Reply #3 on: 26 Sep 2023, 10:41 pm »
Hey Derek,

Use a good spray on adhesive after cutting to size.  Spray on the foam and carefully press in in the correct place.

Bob
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Campindog

Re: Foam for wave guide?
« Reply #4 on: 2 Oct 2023, 04:08 am »
Got it. Thanks to all 3 replies.
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