RTA Before/After Treating Doors?

[seedlings]

If you know of an example of RTA before and after treating doors, I've been trying to find one. I figured they wouldn't be hard to find. Surely the improvement would show up on an RTA.

CHAD

Click to read more...

 

[seedlings]

Apparently all I have to do is ask the question, and then I start to find them...

Got one door sealed with aluminum flashing and plastidip. Success! Pics and RTA. - Car Audio | DiyMobileAudio.com | Car Stereo Forum

CHAD

 

[The Camry]

Do you see how fast your car goes before or after you put a turbo in it?

Silly question.

 

[big scott]

Do you see how fast your car goes before or after you put a turbo in it?
Silly question.

oooo shitttt...

lol

 

[seedlings]

Do you see how fast your car goes before or after you put a turbo in it?
Silly question.

Why is it silly? There are miles of posts of someone's 1/4 mile before and after mods... very few (or very obscure) posts before and after sound treatment.

I'm wondering if the improvement in midbass is solely perception due to less car/road noise and the ear's greater sensitivity to louder noises, OR if there is actual improvement in RTA with the car off. Surely it's the latter... except... why no discussions of such - especially when the CA crowd loves this kind of data. Heck, a test like this would be front page at Dynamat.

CHAD

 

[The Camry]

Mid bass improvement comes from sealing off the doors because you create an enclosure for the door speaker and thus gives you better mid bass response.

CLD tiles or other butyl/aluminum sound deadening on panels lowers their resonance frequency and helps with loss of energy. You ever feel your doors when your speakers are going full tilt? Your door vibrating is loss of energy. Thats bad. The MLV is what stops road noise. Its around 1/4in thick and it pretty much like a lead barrier. Stops sounds from coming in, leaving, and helps separate the front and back wave of a speaker.

Car Audio | DiyMobileAudio.com | Car Stereo Forum - View Single Post - 2002 VW Golf stealth SQ build (an engineering student's perspective)

and if you want full on testing for pages and pages.

Sound Deadening (CLD) Testing - Car Audio | DiyMobileAudio.com | Car Stereo Forum

Btw. if your looking for top 5. i know that sound deadener showdown came first and i think raamaudio came like 3rd.

 

[seedlings]

Mid bass improvement comes from sealing off the doors because you create an enclosure for the door speaker and thus gives you better mid bass response.
CLD tiles or other butyl/aluminum sound deadening on panels lowers their resonance frequency and helps with loss of energy. You ever feel your doors when your speakers are going full tilt? Your door vibrating is loss of energy. Thats bad. The MLV is what stops road noise. Its around 1/4in thick and it pretty much like a lead barrier. Stops sounds from coming in, leaving, and helps separate the front and back wave of a speaker.

Car Audio | DiyMobileAudio.com | Car Stereo Forum - View Single Post - 2002 VW Golf stealth SQ build (an engineering student's perspective)

and if you want full on testing for pages and pages.

Sound Deadening (CLD) Testing - Car Audio | DiyMobileAudio.com | Car Stereo Forum

Btw. if your looking for top 5. i know that sound deadener showdown came first and i think raamaudio came like 3rd.

I've scoured all 58 pages for info on before/after RTA of the audio system including links to builds, etc. Even the manufacturer sites don't have this info either, which would make for an easy sales pitch.

Still looking for system RTA before and after door treatment - be it sealing off or CLD or MLV or any combination.

CHAD

 

[LosIsATool 5,000+ posts]

I've scoured all 58 pages for info on before/after RTA of the audio system including links to builds, etc. Even the manufacturer sites don't have this info either, which would make for an easy sales pitch.
Still looking for system RTA before and after door treatment - be it sealing off or CLD or MLV or any combination.

CHAD

You would adjust the EQ anyway. What you gain is less noise, stronger midbass, output.

 

[seedlings]

You would adjust the EQ anyway. What you gain is less noise, stronger midbass, output.

Good point. RTA doesn't measure distortion, and treating should reduce EQ, and probably distortion. Which in turn would give a better image and overall improvement.

I think guys would like to demonstrate things like this.

CHAD

 

[TreyE 10+ year member]

Currently I have my passenger door treated, and I did TA already in the car. Even trying to alter the settings it still favors the passenger side in terms of staging (L/R). Don't know if that helps you at all. I am getting my driver door treated today and will report back if it changes anything drastic.

Note: By treating I mean sealing doors off, CLD on inside of outer shell of door and then covering all holes on inner shell as well. You can see pics and video in my build in signature.