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alpine type x enclosure


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cael 
Member - Posts: 18
Member spacespace
Joined: January 28, 2008
Location: Australia
Posted: March 10, 2008 at 2:54 AM / IP Logged  

Hey guys, I know there are already a few threads on here about this topic, however, generally the thread goes off topic and ends up talking about something else completely...

I just have a query for anyone out there, whether you have a 12" Type X or not, what enclosure have you found to be the best suited.

I was running a sealed enclosure that matched specs alpine provide in the user manual exactly, save for a double thick mounting face, and the sub ripped the front panel out!

I bumped the size up to a 2.7cf box which gave the sub 2cf after the magnet displacement and support braces, but this then I have found, i am getting a much softer bass, not as punchy and definately not as loud, sounds like there is too much air in there now, and im losing alot of power.

I just cannot seem to get the enclosure perfect, neither capacity or shape.

ANYONE OUT THERE PLEASE HELP ME!!! everything else (my fronts and rears) no dramas, just the sub enclosure..

Thanks guys!

HU: Alpine DVA-9861E
SUB: Alpine SWX-1243D
MONO: Alpine PDX-1.1000
FRONTS: Alpine SPX-17PRO
REARS: Alpine SPX-17REF
F+R AMP: Alpine PDX-4.150
CAP: Rockford Fosgate RFC2D
& IM LOUD AND PROUD!!
cael 
Member - Posts: 18
Member spacespace
Joined: January 28, 2008
Location: Australia
Posted: March 12, 2008 at 11:39 PM / IP Logged  
please anyone!?!?!?
HU: Alpine DVA-9861E
SUB: Alpine SWX-1243D
MONO: Alpine PDX-1.1000
FRONTS: Alpine SPX-17PRO
REARS: Alpine SPX-17REF
F+R AMP: Alpine PDX-4.150
CAP: Rockford Fosgate RFC2D
& IM LOUD AND PROUD!!
aznboi3644 
Gold - Posts: 2,600
Gold spaceThis member consistently provides reliable informationspace
Joined: May 01, 2006
Location: United States
Posted: March 12, 2008 at 11:54 PM / IP Logged  
IMO...the sub sounds best in a nice ported enclosure suited to the environment
markdjr 
Member - Posts: 12
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Joined: March 09, 2008
Location: Oregon, United States
Posted: March 13, 2008 at 1:04 PM / IP Logged  
Sounds like the specs Alpine provided produced the desired effect. Beef up the construction of your box. Use a thicker MDF, use a lot of nails and screws in addition to glue, fiberglass, etc.. Whatever it takes to keep it from ripping itself apart. But then you should have some pretty punchy bass it sounds like.
aznboi3644 
Gold - Posts: 2,600
Gold spaceThis member consistently provides reliable informationspace
Joined: May 01, 2006
Location: United States
Posted: March 13, 2008 at 8:23 PM / IP Logged  
don't use nails...very bad.
A brad nailer and compressor work very well though
markdjr 
Member - Posts: 12
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Joined: March 09, 2008
Location: Oregon, United States
Posted: March 13, 2008 at 10:01 PM / IP Logged  
Brad nails = nails, I meant air tools.
aznboi3644 
Gold - Posts: 2,600
Gold spaceThis member consistently provides reliable informationspace
Joined: May 01, 2006
Location: United States
Posted: March 13, 2008 at 11:58 PM / IP Logged  
some noobies may mistake nails for using a hammer and nails...really they may. I've seen some pretty ghetto installs and enclosures using nails
cael 
Member - Posts: 18
Member spacespace
Joined: January 28, 2008
Location: Australia
Posted: March 17, 2008 at 8:03 PM / IP Logged  

Ok, I think I'm gunna go with markdjr's suggestion, which is what i was assuming i would have to do...

But seriously... this box is gonna be really heavy... and quite punchy... but with this sort of sub, hopefully not =)

I think i will double layer the sub face of the enclosure again, but i will put the bottom layer in between the two side panels, and then the top layer over the top of the side panels with the sub bolted to it... extra strength...

Maybe a bracket or two? It is just tedious and really time consuming work for me! i jjust want an enclosure that will last!

Arghh!!!! so much work in the world of 12 volt!!

Thanks to you guys for your responses alpine type x enclosure -- posted image.

HU: Alpine DVA-9861E
SUB: Alpine SWX-1243D
MONO: Alpine PDX-1.1000
FRONTS: Alpine SPX-17PRO
REARS: Alpine SPX-17REF
F+R AMP: Alpine PDX-4.150
CAP: Rockford Fosgate RFC2D
& IM LOUD AND PROUD!!
greenbroncoguy 
Copper - Posts: 299
Copper spacespace
Joined: March 27, 2003
Location: Florida, United States
Posted: March 17, 2008 at 8:07 PM / IP Logged  
cael wrote:

Ok, I think I'm gunna go with markdjr's suggestion, which is what i was assuming i would have to do...

But seriously... this box is gonna be really heavy... and quite punchy... but with this sort of sub, hopefully not =)

I think i will double layer the sub face of the enclosure again, but i will put the bottom layer in between the two side panels, and then the top layer over the top of the side panels with the sub bolted to it... extra strength...

Maybe a bracket or two? It is just tedious and really time consuming work for me! i jjust want an enclosure that will last!

Arghh!!!! so much work in the world of 12 volt!!

Thanks to you guys for your responses alpine type x enclosure -- posted image.

IMHO, that is the proper way to build a double-baffle box the way you described; I wouldn't build it any other way.

You may want to try designing one of the box braces to hold up the rear of the driver to help support the weight and all. That may help if if is ripping off the baffle...

-Matt

cael 
Member - Posts: 18
Member spacespace
Joined: January 28, 2008
Location: Australia
Posted: March 24, 2008 at 10:02 AM / IP Logged  
Thanks Matt,
I had a very busy easter weekend, but I will be putting together my new box this coming weekend...
thanks to you all for your advice, and I'll post a pic or two if i get a chance!
THanks again and happy easter!
HU: Alpine DVA-9861E
SUB: Alpine SWX-1243D
MONO: Alpine PDX-1.1000
FRONTS: Alpine SPX-17PRO
REARS: Alpine SPX-17REF
F+R AMP: Alpine PDX-4.150
CAP: Rockford Fosgate RFC2D
& IM LOUD AND PROUD!!
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