Sound proofing

In Car Entertainment - NO SELLING OF I.C.E. PLEASE

Moderator: martauto

Blitz
Married to the E30 Zone
Married to the E30 Zone
Posts: 11155
Joined: Mon Jan 30, 2006 11:00 pm
Location: East London+Basildon

Post Sun Aug 15, 2010 3:58 pm

How does this stuff work? There are gaps around my speaker which I thing is degrading the sound quality.
User avatar
mrcool
E30 Zone Regular
E30 Zone Regular
Posts: 278
Joined: Sat Oct 10, 2009 11:00 pm

Post Sun Aug 15, 2010 11:09 pm

Are you talking about the dynamat type stuff. I started applying this today. You apply it to the metal panels behind and around the speaker area (or everywhere if your rich/going OTT) To deaden the sounds/quieten road noise/reduce vibration. Here it is applied to the rear wheel arch below my rear speaker.

Image
miniblob
E30 Zone Addict
E30 Zone Addict
Posts: 3153
Joined: Thu Jan 05, 2006 11:00 pm
Location: Croydon/Uckfield

Post Tue Aug 17, 2010 1:58 am

If you mean the way the fronts mount, you are right Blitz - they would sound better 'sealed' in!!
None of the speakers i've used recently have fitted properly and i keep thinking about making something like a 3mm mdf mounting plate, that exactly fits where the front speakers mount. I'd then seal that in and mount the speakers on that!!
It's a nice idea, but will i ever get round to it..............
327 Touring with bass!!!

>>> WWW.DNRVINYL.CO.UK >>> UK GARAGE SPECIALIST >>>
>>> WWW.DNRVINYL.COM >>> FREE MIX DOWNLOADS!!! >>>
TouringTash
E30 Zone Team Member
E30 Zone Team Member
Posts: 3804
Joined: Mon Jun 28, 2010 11:00 pm
Location: Kent

Post Tue Aug 17, 2010 2:19 am

how much does dynamat weigh mr cool?
318i Touring
miniblob
E30 Zone Addict
E30 Zone Addict
Posts: 3153
Joined: Thu Jan 05, 2006 11:00 pm
Location: Croydon/Uckfield

Post Tue Aug 17, 2010 7:41 pm

Couldn't give an example of weight, but it's not light!!!!!
Having said that, i doubt a bit behind/around each speaker would be noticed in anything but the lightest stripped out machine!!
327 Touring with bass!!!

>>> WWW.DNRVINYL.CO.UK >>> UK GARAGE SPECIALIST >>>
>>> WWW.DNRVINYL.COM >>> FREE MIX DOWNLOADS!!! >>>
TouringTash
E30 Zone Team Member
E30 Zone Team Member
Posts: 3804
Joined: Mon Jun 28, 2010 11:00 pm
Location: Kent

Post Tue Aug 17, 2010 7:51 pm

was thinking about making a europe cruiser with a touring and a 2.7 and was thinking of using something like this to help keep the noise levels down, along with other fancy ideas.

ie suede roof lining winkeye
318i Touring
User avatar
mrcool
E30 Zone Regular
E30 Zone Regular
Posts: 278
Joined: Sat Oct 10, 2009 11:00 pm

Post Tue Aug 17, 2010 11:37 pm

TouringTash wrote:how much does dynamat weigh mr cool?
2.2kg per sq/metre
TouringTash
E30 Zone Team Member
E30 Zone Team Member
Posts: 3804
Joined: Mon Jun 28, 2010 11:00 pm
Location: Kent

Post Wed Aug 18, 2010 12:25 am

cheers fella.

bloody hell thats nearly 35kgs very approx to do a touring.

and yes I had worked out the price 8O

but if its that good.......
318i Touring
poolnoodle
E30 Zone Squatter
E30 Zone Squatter
Posts: 1786
Joined: Sat May 24, 2008 11:00 pm
Location: Hobart, Tasmania, Australia

Post Wed Aug 18, 2010 12:21 pm

I want to sound proof my 2002 - is dynamat worth the cost. It is a fair bit more that similar other brands but is recommended by the legendary Chip Foose :cool: :roll:
'83 Bronzit 323i (mmmm, chrome)
'74 Polaris 2002 (mmmm, retro)
'89 Delphin 535i (mmmm, waft waft)
User avatar
toby
E30 Zone Addict
E30 Zone Addict
Posts: 3609
Joined: Thu Aug 11, 2005 11:00 pm
Location: Kent

Post Wed Aug 18, 2010 12:48 pm

BMW do their own soundproofing apparently - cheaper?
Image
rp2
E30 Zone Newbie
E30 Zone Newbie
Posts: 185
Joined: Sun Jun 20, 2010 11:00 pm
Location: Guildford, Surrey

Post Fri Sep 03, 2010 1:33 pm

if you do go downt the dynamat route buy the dynamat extreme stuff like seen in the picture above by mr cool.
there are 2 types, the standard cheaper type which has no aluminium backing and the extreme with the aluminium backing. i found the standard dynamat started falling off after a few months so i had a pile of soundproofing inside my doors that rattled about. i bought the extreme stuff to replace it and it lasted 2 years with no issue and is still stuck solid but it does cost a fair bit.
1989 dolphin grey 325i mtec II