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I've read as much as I can about alot of sound deadener...
The time is near! I've wanted to pull the carpet and door panels, remove my amp, and sub box.. all to upgrade the quality of my ride. (I'm not alone nor the first)
Here's my situation. I'm in college, thus I have a budget. I plan on buying a capacitor to help out with my system, and put new more adequate wires for the amp (last owner put puny wires on a 750w amp)
First questions:
What is the best/least expensive material?
How many sq. ft. do I need for a '88 convert? (storage compartment, doors, cockpit)
Any advice for doing a convertible is appreciative
The following are the mat's I've been thinking about... your opinions?
Edead V1
B-Quiet Ultimate
Fatmat
From: Austin, Why are they tolling roads that are already paid for, Texas
Opinions?
Upgrade to 4ga. wire & you won't need a cap. Take the cap money, along with deadener budget and buy Second Skin. (Damplifier or Damplifier Pro) Do your deadening in chunks as money allows (doors first)
MHO, the only acceptable budget damping material is Raamat. SecondSkin is the best on the market.
Keep in mind, you dont have to cover every square inch of the car. This is just DAMPING material, it reduces panel resonance. If you want to use it as a sound barrier, you're going to spend a lot of money and be disappointed.
You just need to hit the middle of large flat panels.
What you want is a mass layer with foam under it. SecondSkin luxury liner is the ticket. You dont need to glue it in. About $200~ will do the entire car. You need something at least this massive to cut down anything in the meat of the road noise range.
Upgrade to 4ga. wire & you won't need a cap. Take the cap money, along with deadener budget and buy Second Skin. (Damplifier or Damplifier Pro) Do your deadening in chunks as money allows (doors first)
I already have the wire off my old system which is 4ga.
Currently, the lights dim with the volume around 15-20, and it's no where near "full capacity"... while driving it ends up at the 25-27 vol. level. I don't want to strain the alternator too much.
I was thinking about the Damplifier but the price made me cringe a little. I'll debate about bumping it to the top. I did like the temp range for it, but the adhesion factor according to sound-deadener-showdown didnt do so well..?
MHO, the only acceptable budget damping material is Raamat. SecondSkin is the best on the market.
Keep in mind, you dont have to cover every square inch of the car. This is just DAMPING material, it reduces panel resonance. If you want to use it as a sound barrier, you're going to spend a lot of money and be disappointed.
You just need to hit the middle of large flat panels.
What you want is a mass layer with foam under it. SecondSkin luxury liner is the ticket. You dont need to glue it in. You need something at least this massive to cut down anything in the meat of the road noise range.
A lot of people like to flaunt 1/4" thick foam products as noise barriers. They are not. They will absorb some high frequency sound.
MHO, to be as blunt as possible - using anything other than luxury liner, similar, or LEAD, you are throwing your money away.
yesh, Now I'm confused... what do I need to do to help reduce exterior noises and help with the audible level inside
See above:
What you want is a mass layer with foam under it. SecondSkin luxury liner is the ticket. You dont need to glue it in. About $200~ will do the entire car. You need something at least this massive to cut down anything in the meat of the road noise range.
Also keep in mind, tires have the biggest impact on road noise.
Second skin damplifier pro is great stuff and cheaper than dynamat!.
While Lux liner is by far the best i've year heard of, SS also offers closed cell acoustic foam called "overkill" and "overkill pro. For a budget, it's an excellent alternative to Lux liner running about 1/2 the price. I used overkill pro on the doors, cargo area seat's rear wall with great success.
if you have (or plan to get) aftermarket exhaust, acoustic foam behind the seats and in the cargo are will significantly reduce interior noise.
Oh, and forget the cap. btu you really should consider the big 3. All the C4 cars i've looked at have really wimpy charging wires.
How does the crazy cowboy kit compare to lux and overkill as a mass layer?
I've never had the material in hand... But by appearance, I'd say Luxury Liner would be far better for sound deadening, and Cowboykit would be far better for thermal insulation.
Keep in mind, its half the price but not half the performance. Price for price, luxury liner gives you more.
Without the mass layer, its just an absorber. Go look up how much and at what frequencies 1/2" absorbs.
I'm looking at the SS site and it says that regular lux liner is the same price as overkill pro. Which one would be better to use?
The site says:
What is the difference between Luxury Liner and Overkill Pro?
Luxury Liner is a noise barrier
Overkill Pro is a noise absorbing filter.
Both products get applied on top of vibration dampers like Damplifier Pro or Spectrum in order to reduce airborne sound waves, but they do it in two totally different ways.
Overkill filters out specific frequencies that are able to penetrate the first vibration damping layer, but because it is so light, it allows many other sound wave frequencies to pass right through.
Luxury Liner is a barrier that blocks and reflects the most difficult airborne sound waves that Overkill Pro is not capable of handling.
If I were to go with lux liner (non pro) wouldn't that just block everything that the overkill pro would absorb?