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Acousticaly Tuned?


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lolzitsmtss 
Copper - Posts: 174
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Joined: April 29, 2004
Location: United States
Posted: October 26, 2004 at 9:25 PM / IP Logged  
How do you make your vehicle Acousticaly Tuned?
I guess that guy has subs.
Rushman 
Silver - Posts: 380
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Joined: September 28, 2004
Location: United States
Posted: October 26, 2004 at 10:50 PM / IP Logged  
lots of dampening material , lots of research and trial and error. Lots of money (ha-ha) no really , lots of money. Knowing where to place speakers in relation to the drivers seat. Too many extra's to add.
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vdubmk4 
Copper - Posts: 175
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Joined: August 04, 2004
Location: United States
Posted: October 26, 2004 at 11:10 PM / IP Logged  

When you say acoustically tuned, are you refering to your system being tuned correctly or you car behind turned into a concert hall ?

Fortune: You will continue to take chances, and be glad you did.
lolzitsmtss 
Copper - Posts: 174
Copper spacespace
Joined: April 29, 2004
Location: United States
Posted: October 27, 2004 at 8:36 AM / IP Logged  
The car into a concert hall.
I guess that guy has subs.
lolzitsmtss 
Copper - Posts: 174
Copper spacespace
Joined: April 29, 2004
Location: United States
Posted: October 27, 2004 at 8:37 AM / IP Logged  

"lots of dampening material , lots of research and trial and error. Lots of money (ha-ha) no really , lots of money. Knowing where to place speakers in relation to the drivers seat. Too many extra's to add. "

So the New GMC Envoy has Dampening material all over the car? and alot more speakers then standard cars?

I guess that guy has subs.
DYohn 
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Joined: April 22, 2003
Location: Arizona, United States
Posted: October 27, 2004 at 10:14 AM / IP Logged  

lolzitsmtss wrote:
How do you make your vehicle Acousticaly Tuned?

You'll need access to an anechoic chamber, rollers for your driven wheels so you can simulate running at highway speed, a wind tunnel, several calibrated pink noise sources, several channels of RTA and calibrated microphones, several strain gages and vibrational/velocity transducers, a good oxy-acetylene torch and a better tig welder, sheet metal, access to a variety of different interior treatment materials like fabrics, carpets, seat covers, etc., lots of sound dampening materials, better seals and gaskets for all windows, and lots of time and patience.  It might also help if you had access to an acoustical engineer.  Then, after you solve all the issues with the vehicle's construction, you can begin to choose your sound system components.

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Rushman 
Silver - Posts: 380
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Joined: September 28, 2004
Location: United States
Posted: October 27, 2004 at 11:04 AM / IP Logged  

I think I know where your going with this lolzitsmtss.........Does this have anything to do with the GMC commercial on TV? Where they ask if a concert hall can be accousticly tuned , then why cant your truck? If a 60,000 seat stadium can have a retractable roof , then why cant your truck? If an offraod Baja 1000 racer can have 4 wheel active suspension , then why cant your truck?

99 F-one fitty
Pioneer Premier H/U
Alpine EQ
Kicker 1200 amp
4 Kicker comp 10s
6 kicker SS65.2 components
DYohn 
Moderator - Posts: 10,739
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: October 27, 2004 at 11:25 AM / IP Logged  
... and the real answer to those questions are corporate profits, weight, and CAFE standards.  It is a clever commercial, though.
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lolzitsmtss 
Copper - Posts: 174
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Joined: April 29, 2004
Location: United States
Posted: October 28, 2004 at 2:07 PM / IP Logged  

Yeah rushman..exactly. Saw the commericial and thought..How the hell can they do that?

P.S Dyohn..whats the best sound deadning material that you would say is the best....according to your preference?

I guess that guy has subs.
DYohn 
Moderator - Posts: 10,739
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: October 28, 2004 at 3:04 PM / IP Logged  

Dynamat, Brown Bread, Dayton, Gator Skin, generic no-name... In my experience it all functions pretty much the same as long as you take the time to remove the car's interior treatments and properly install it.  I say use what's available the cheapest in your area.  Actually you can use just about anything that will reduce structural resonance.  I've seen good results using standard home carpet pad, wool blankets, foam rubber, roofing tar....

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