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| Using PolyFil to dampen subwoofer noise https://www.smwebhead.com/phpBB3/viewtopic.php?f=19&t=3538 |
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| Author: | pet575 [ Tue May 19, 2009 1:42 pm ] |
| Post subject: | Using PolyFil to dampen subwoofer noise |
So, I've got my new 6.5" cockpit speakers, amp, and sub installed. All sounds great. I ended up using some 1X2 to brace the plastic where the stock cockpit speakers were mounted. Took the vibration right out of that, no problem. However, I'm still getting too much vibration in my throttle assembly and the access hole cover near it. I bought 20 oz of PolyFil to try to dampen some of that sound so that the vibration subsides. Anyone think I have any concerns about fire if the PolyFil were to shift over time and come into contact with any of the wiring running along the hull back behind there? Also, how do you hold it in place? Is just packing it into a space enough or do I have to go so far as to glue it in place? |
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| Author: | 230 Mike [ Tue May 19, 2009 3:04 pm ] |
| Post subject: | Re: Using PolyFil to dampen subwoofer noise |
Behind the throttle area? I wouldn't think there would be any exposed wiring back there. I assume (but am not certain) that the kill switch is an insulated unit. Whether it could contribute to any binding in the steering cable, I'm not sure. |
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| Author: | Jim_R [ Wed May 20, 2009 3:57 pm ] |
| Post subject: | Re: Using PolyFil to dampen subwoofer noise |
You want to put the polyfill in there loose? |
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| Author: | BrentC5Z [ Wed May 20, 2009 4:26 pm ] |
| Post subject: | Re: Using PolyFil to dampen subwoofer noise |
I don't expect the polyfill will fix it. If you can hose it down with undercoat in there or apply sound deadening mat you may have better results. |
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| Author: | Jim_R [ Thu May 21, 2009 11:15 am ] |
| Post subject: | Re: Using PolyFil to dampen subwoofer noise |
Here's an outside the box idea - create a ring around the subwoofer installation area with cardboard, such that there's an outer and inner 'ring' created. Then fill the gap between the cardboard rings with latex great stuff insulating foam. The latex stuff is easier to remove should you have to do so down the road. |
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