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Mustangs Coast to Coast

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Old 11/17/09, 02:40 PM
  #23861  
 
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It's in there pretty tight. I don't think that's it.
Old 11/17/09, 02:42 PM
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Sound waves. Also different materials might resonate at different frequencies.

But the sound waves in a bass are EXTREMELY LONG. That's why moving a sub in a home theater around the living room makes for completely different sounds when sitting in the same chair. Being in a corner acts as an amplifier. Bouncing sound waves back into the room.

It's also why in a car you like a Mustang you should point the subs to the rear and bounce them off the trunk and also use the car as a resonator. As I reinforced with my install the sound waves can be too long to be heard properly if your sitting in the front seat with a front firing sub. But from 15' in front of the car it may actually sound bassier.


It's complicated but that's essentially it. Long sound waves can travel through different medians too, while short (treble) waves will bounce off easier.
Old 11/17/09, 02:42 PM
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Does it happen just at random, or are like the windows down and it does one and the windows up or something like that?
Old 11/17/09, 02:48 PM
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Originally Posted by 2k7gtcs
Sound waves. Also different materials might resonate at different frequencies.

But the sound waves in a bass are EXTREMELY LONG. That's why moving a sub in a home theater around the living room makes for completely different sounds when sitting in the same chair. Being in a corner acts as an amplifier. Bouncing sound waves back into the room.

It's also why in a car you like a Mustang you should point the subs to the rear and bounce them off the trunk and also use the car as a resonator. As I reinforced with my install the sound waves can be too long to be heard properly if your sitting in the front seat with a front firing sub. But from 15' in front of the car it may actually sound bassier.


It's complicated but that's essentially it. Long sound waves can travel through different medians too, while short (treble) waves will bounce off easier.
That makes sense. But would the vibrations have something to do with different bass tones?
Old 11/17/09, 02:50 PM
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BTW Nathan,

I want to see pics of your HDTV in HDTV with an antenna attached by Friday night or I will ask Arin to :ban: you for laziness. Just go to the store, get the antenna, and connect it. It's like $20. And if your dad gives you trouble you say this...

"Look old man, I've had about enough of SDTV. So I'm putting this antenna on this TV whether you like it or not! Any questions? I didn't think so."
Old 11/17/09, 02:50 PM
  #23866  
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Originally Posted by Blue Notch
It's in there pretty tight. I don't think that's it.
That's what she said.
Old 11/17/09, 02:52 PM
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Originally Posted by 1999Pony
That makes sense. But would the vibrations have something to do with different bass tones?
It's almost like a string on a guitar, or a tuning fork...hit a piece of plastic or sheetmetal with a certain frequency (vibration) and it will resonate when normally it would not.
Old 11/17/09, 02:53 PM
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Originally Posted by 2k7gtcs
Sound waves. Also different materials might resonate at different frequencies.

But the sound waves in a bass are EXTREMELY LONG. That's why moving a sub in a home theater around the living room makes for completely different sounds when sitting in the same chair. Being in a corner acts as an amplifier. Bouncing sound waves back into the room.

It's also why in a car you like a Mustang you should point the subs to the rear and bounce them off the trunk and also use the car as a resonator. As I reinforced with my install the sound waves can be too long to be heard properly if your sitting in the front seat with a front firing sub. But from 15' in front of the car it may actually sound bassier.


It's complicated but that's essentially it. Long sound waves can travel through different medians too, while short (treble) waves will bounce off easier.
Good answer. I was going to add something similar to that to my last post.
some trivia-
Long waves also known as ULF can also travel thousands of miles underwater. The navy uses them with deep diving subs to communicate.
Old 11/17/09, 02:55 PM
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Originally Posted by Rather B.Blown
That's what she said.
Touche! How the **** did I miss that.
Old 11/17/09, 02:58 PM
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Originally Posted by 2k7gtcs
It's almost like a string on a guitar, or a tuning fork...hit a piece of plastic or sheetmetal with a certain frequency (vibration) and it will resonate when normally it would not.
Right, but how would it cause different parts of his car to vibrate at random?
Old 11/17/09, 03:01 PM
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Originally Posted by 2k7gtcs
BTW Nathan,


"Look old man, I've had about enough of SDTV. So I'm putting this antenna on this TV whether you like it or not! Any questions? I didn't think so."


And there goes Nathan being shown the door!

Gary, your forgetting the golden rule! "He with the gold, rules" And Nathan ain't got much gold
Old 11/17/09, 03:09 PM
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Originally Posted by runningwild4.6

Gary, your forgetting the golden rule! "He with the gold, rules" And Nathan ain't got much gold

That's how it works around my house.
Old 11/17/09, 03:13 PM
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Originally Posted by 2k7gtcs
Sound waves. Also different materials might resonate at different frequencies.

But the sound waves in a bass are EXTREMELY LONG. That's why moving a sub in a home theater around the living room makes for completely different sounds when sitting in the same chair. Being in a corner acts as an amplifier. Bouncing sound waves back into the room.

It's also why in a car you like a Mustang you should point the subs to the rear and bounce them off the trunk and also use the car as a resonator. As I reinforced with my install the sound waves can be too long to be heard properly if your sitting in the front seat with a front firing sub. But from 15' in front of the car it may actually sound bassier.


It's complicated but that's essentially it. Long sound waves can travel through different medians too, while short (treble) waves will bounce off easier.
Makes sense. I need dynamat so bad. lol

Originally Posted by 2k7gtcs
BTW Nathan,

I want to see pics of your HDTV in HDTV with an antenna attached by Friday night or I will ask Arin to :ban: you for laziness. Just go to the store, get the antenna, and connect it. It's like $20. And if your dad gives you trouble you say this...

"Look old man, I've had about enough of SDTV. So I'm putting this antenna on this TV whether you like it or not! Any questions? I didn't think so."
Don't think Arin will ban me for not spending money on something other than mods.

Originally Posted by runningwild4.6
And there goes Nathan being shown the door!

Gary, your forgetting the golden rule! "He with the gold, rules" And Nathan ain't got much gold
True.
Old 11/17/09, 03:14 PM
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Originally Posted by 1999Pony
Right, but how would it cause different parts of his car to vibrate at random?
Well that might be from differing lengths of the waves. I'm just making my best educated guess here. You turn on the radio the car makes noise. The radio plays different songs and the car makes noises in different places.
Old 11/17/09, 03:17 PM
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Need to go wash the GT. Be back later.
Old 11/17/09, 03:19 PM
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gotta go put the '65 in storage... be back later
Old 11/17/09, 03:20 PM
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Originally Posted by runningwild4.6
And there goes Nathan being shown the door!

Gary, your forgetting the golden rule! "He with the gold, rules" And Nathan ain't got much gold
Originally Posted by Rather B.Blown
That's how it works around my house.
.



It's not like he's impregnated a teenager...its HDTV!!!

I can't take it anymore. lalalalalalalalalalalalalallalallalalalla
Old 11/17/09, 03:24 PM
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Originally Posted by 2k7gtcs
Well that might be from differing lengths of the waves. I'm just making my best educated guess here. You turn on the radio the car makes noise. The radio plays different songs and the car makes noises in different places.
I got ya.
Old 11/17/09, 03:25 PM
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Originally Posted by codeman94
gotta go put the '65 in storage... be back later

Old 11/17/09, 03:27 PM
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Originally Posted by 1999Pony
I got ya.
I was just thinking. If you want to solve a problem look at what's changed. The control is the car with everything running and no music on. The car doesn't make noise. Turn on the radio, no subs, the car doesn't make noise. Turn on the sub, the car makes noise. Play a different song (different bass line, frequencies, etc) noises change. What has really changed here? Not the car.


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