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Subject:Re; Noise Reduction
From:Reinhard Vehring
Date:Thu, 21 Oct 2004 21:50:02 -0700

--- Terry K <CTONLINE@webtv.net> wrote:

>
> Reinhard,
> Allow me to disspell any thought's you may have that
> the Dyna Mat does
> not work in the door panel's--
>
Terry,
I put brown bread into every reachable spot of the
passenger side door. Also put Evercoat QPads into the
larger sections that can resonate. That is even more
extreme / heavy stuff than Dynamat. It makes my
speakers sound better (I believe). And removes
resonances, yes, agreed. Also the door is much heavier
now :-( and closes with a nice "thump" :-) But: The
noise level in the van did not drop. Measured many
times before and after. This was the whole point of
the conversation. It's like fixing a small hole in a
pail, if the bottom has already dropped out. Gotta go
for the biggest source of noise first. Insulating the
sheet metal in the door doesn't help, if the noise can
happily go around the insulation through the air
vents.
Have fun,
Reinhard, 83 Westy, "Moose"

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