what do u use to make your box air thight....
1. around the sub.
2. at the joints.
3. the box its self.(I read that MDF is not ait thight)
what do u use to make your box air thight....
1. around the sub.
2. at the joints.
3. the box its self.(I read that MDF is not ait thight)
"I am going to get a stereo so loud it can blow womens close off" Seth Green
Mmmmm..... Bass.
1f U C4N R34D TH15 U R34LLY N33D T0 G37 L41D

yeh, i dont use anything between the subs, a lot of liquid nails, sometimes wood glue in spots. As for mdf not being airtight i dont know, it is! U could use fiberglass resin in there but thats just as air tight as MDF...
2x JBL 1200.1 for sale...
AIM- Mgaidica
I'm not sure on the MDF either, I just read some where that if u want it air tight u should prime the inside of the box or use a paint that would seep into the wood. Maybe it's because wood is poris, so to make some thing out of wood air tight requires a little extra effort.![]()
"I am going to get a stereo so loud it can blow womens close off" Seth Green
Mmmmm..... Bass.
1f U C4N R34D TH15 U R34LLY N33D T0 G37 L41D

i dunno, mdf is airtight though... so u remember where u heard this?
2x JBL 1200.1 for sale...
AIM- Mgaidica
THE $.50 a tube caulk, silicon, glue.
IT WORKS... you will not blow it or anything
Dont worry about that.Originally posted by smokeoff
3. the box its self.(I read that MDF is not ait thight)
If you are...then throw some fiberglass over it. Most everyone just leaves their boxes bare MDF, or adds carpet, leather, velvet, etc...
- Steve
Moderator
2007 Chrysler 300C
2005 Chevrolet Silverado 2500HD Crew Cab
Optima, Volant, Bully Dog, Corsa, Gibson, Powermaster, California Super Trucks, Fox Racing, Airaid
Alpine 7998, Alpine HDA-5460, Arc Audio MEQ-30, (2) Adire Audio Shiva, Image Dynamics CD-2COMP, Image Dynamics CX64, (2) Image Dynamics ID8V.2, Arc Audio 2100CXL, Arc Audio 4150CXL, Arc Audio 1500D-R
2006 Kawasaki Ninja ZX14
Originally Posted by DJGTSR
Oh yeah then how does wood glue soak into it mr smarty pants. (by the way i know MDF is air tight)Originally posted by Jmac
MDF is pressed fibreboard ... It's not porous ...
dudue, thats it. I have been looking all over for that. Now I don't feel like I am losing my mind.![]()
"I am going to get a stereo so loud it can blow womens close off" Seth Green
Mmmmm..... Bass.
1f U C4N R34D TH15 U R34LLY N33D T0 G37 L41D

hey guess what we learned At school today... MDF isnt 100% air tight. (a day late a dollar... ah **** it)
Well ****..
been installing for 5 years and I never knew that...
I used to spend a lot of my free time here. It was fun I suppose. Still rocking the 9515 and Better Audio amp haha.
How's incriminator stuff these days?
Don't despair - us know-it-alls can always claim he's fulla do-do :p
I have some 1/4" MDF in my shop... think I'm gonna try that vacuum experiment.
dave
----------
1999 Buick Park Ave Ultra
Head Unit: JVC KWHDR720
EQ: Audiocontrol EQL
Front Stage: Hybrid Audio Technologies Imagine 5.25
Sub Stage: In process (will be Boston G310)
Amp: Boston Acoustics GTA-704 4 Ch
Rear Fill: Boston SE953 6X9's
As will I...Originally posted by maylar
I have some 1/4" MDF in my shop... think I'm gonna try that vacuum experiment.
That article fails to mention how big those five pieces of 3/8" MDF were...and what vacuum was used...who knows - maybe it was a big industrial one.
- Steve
Moderator
2007 Chrysler 300C
2005 Chevrolet Silverado 2500HD Crew Cab
Optima, Volant, Bully Dog, Corsa, Gibson, Powermaster, California Super Trucks, Fox Racing, Airaid
Alpine 7998, Alpine HDA-5460, Arc Audio MEQ-30, (2) Adire Audio Shiva, Image Dynamics CD-2COMP, Image Dynamics CX64, (2) Image Dynamics ID8V.2, Arc Audio 2100CXL, Arc Audio 4150CXL, Arc Audio 1500D-R
2006 Kawasaki Ninja ZX14
Originally Posted by DJGTSR
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