Do you put Dynamat down on the surface into which you are mounting speakers? I have put it on surfaces behind and around the actual mounting surface, but I'm still getting some occassional buzzing.

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1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
2016 AMG GTS 12,000 miles

You may get the occasional buzzing regardless, vibrating something else in the car. I would think it won't hurt. Is this for a different speaker in the same location? A sub woofer?

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83 SD

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I put some down in my old ford ranger when I was installing a stereo. I put it behind the speakers as well as on as much surface area around the speakers as possible. It seemed to work really well. I had a 10" amp in that car and it had a really tight sound, never any rattling.

Thanks. I don't even have a sub in there yet. I plan to out one in, though. There is something loose enough in the back to cause an occassional buzzing. I may take the speakers out, put Dynamat down around the openings where they are mounted, and remount them.

__________________
" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century

OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
2016 AMG GTS 12,000 miles

I guess it depends on how extensive you want to go. I have done my 81 MB 240D body. I mean fire wall, front floor pans, pilars, back seat area and most of the rear shelf. I don't consider myself an expert at this audio stuff though. From what I read, the doors are the major area to do. From there I don't know. I would guess the trunk or hood. I haven't done my doors, as I want to R&R them and repaint the whole car. I did use B-Quiet as it was cheeper. I did read a few comparisions of other materials. B-Quiet was the only one that listed or reported thier suppression quality vs Dynamat. One comparision did a bunch of stick-ability, heat adheasion etc. All fine and good, but no measuring of the reduction of dB. I think that is the main concern or reason for installing the stuff. There was some other stuff that interested me, but I haven't looked any further into it. I do think Dynamat has a broader range of materials for specific applications. I plan to use their hood insulation/noise suppression mat or hood liner. I think there is also stuff for the roof, I plan to use.
Tom

I put Dynamat in the roof of my 300TD and in the doors and it made a tremendous difference. It really contributed to that "Mercedes Chunk!" sound that people associate with their quality.

__________________
" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century

OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
2016 AMG GTS 12,000 miles

DynaMat unifies the view selection and the view maintenance problems under a single framework using a novel “goodness” measure for the materialized views. DynaMat constantly monitors incoming queries and materializes the best set of views subject to the space constraints.

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83 SD

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Door install. Do you put the dynamat on the door Panel, the interior frame of the door or the exterior frame of the door. I read elsewhere on the forum that you put it on the panel but the pictures I have seen have it in any of the above locations. Any advice is appreciated.

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77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg

If you put it on the inside of the door's sheet metal, that will help a lot. Put some additional in the frame where you're mounting the speakers, and that will be perfect.

__________________
" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century

OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
2016 AMG GTS 12,000 miles

Lay off the Ripple and the buzzing should go away.

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99 ML320
94 SL600
92 SL500
95 E320 Cabriolet
87 560SEC
86 300SDL Grease Car
80 380SLC Euro

13 Fiat Abarth
02 Maserati Spyder Cambiocorsa
00 BMW Z3
90 Rolls Royce Silver Spur
80 Ferrari 308 GTSI
88 Jaguar XJS12 H&E Edition
99 Land Rover Discovery

You crack me up!

__________________
" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century

OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
2016 AMG GTS 12,000 miles

Dynamat, a constrained layer dampening (CLD) material, is only used to dampen panel resonances thus isn't an effective material to block the transmission of noise through panels. CLD also doesn't need to be applied to the whole panel either, 25% panel coverage (center) should provide sufficient dampening.

If you look at the OE deadener, so the most part its mass loaded vinyl (MLV) separated from the panel with open cell foam (OCF). This two-part material is much more effective at blocking noise being transmitted through panels.

FYI...

huh?

__________________

77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg