tccustoms- too MUCH airspace?
06-12-2007, 07:04 AM
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tccustoms- too MUCH airspace?
hey guys, i just ordered one of these boxes. it just looked too damn cool:
https://my350z.com/forum/showthread.php?t=273488
so this, along with two alpine swr-1022d's. but manufacturer site says optimal airspace is ~0.625 ft^3 airspace per sub, and the box is 1.9 ft^3 total! any ideas or input from anyone with a similar setup?
i remember seeing someone talk about throwing in pieces of wood w/liquid nails to take up the extra space but HOW necessary is this and how do i even go about doing all of this?
btw, sorry i "chickened out" of doing the custom work myself.. lol.. to those that gave me some excellent advice before.. i decided i just don't have the time right now!
https://my350z.com/forum/showthread.php?t=273488
so this, along with two alpine swr-1022d's. but manufacturer site says optimal airspace is ~0.625 ft^3 airspace per sub, and the box is 1.9 ft^3 total! any ideas or input from anyone with a similar setup?
i remember seeing someone talk about throwing in pieces of wood w/liquid nails to take up the extra space but HOW necessary is this and how do i even go about doing all of this?
btw, sorry i "chickened out" of doing the custom work myself.. lol.. to those that gave me some excellent advice before.. i decided i just don't have the time right now!
06-12-2007, 09:12 AM
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Originally Posted by Takhteh
hey guys, i just ordered one of these boxes. it just looked too damn cool:
https://my350z.com/forum/showthread.php?t=273488
so this, along with two alpine swr-1022d's. but manufacturer site says optimal airspace is ~0.625 ft^3 airspace per sub, and the box is 1.9 ft^3 total! any ideas or input from anyone with a similar setup?
i remember seeing someone talk about throwing in pieces of wood w/liquid nails to take up the extra space but HOW necessary is this and how do i even go about doing all of this?
btw, sorry i "chickened out" of doing the custom work myself.. lol.. to those that gave me some excellent advice before.. i decided i just don't have the time right now!
https://my350z.com/forum/showthread.php?t=273488
so this, along with two alpine swr-1022d's. but manufacturer site says optimal airspace is ~0.625 ft^3 airspace per sub, and the box is 1.9 ft^3 total! any ideas or input from anyone with a similar setup?
i remember seeing someone talk about throwing in pieces of wood w/liquid nails to take up the extra space but HOW necessary is this and how do i even go about doing all of this?
btw, sorry i "chickened out" of doing the custom work myself.. lol.. to those that gave me some excellent advice before.. i decided i just don't have the time right now!
1.9 - .1 (displacement of 2 1022d subs) = 1.8
there is a 30% difference which isn't too much in the grand scheme of things. Especially sealed, there is more tollerence You should be fine with everything as-is. Worst case is your sub will sound a hair boomier if you even hear a differnece at all.
BTW, that was me who had mentioned in a thread or two about liquid-nailing a piece of 2x4 to the inside of the enclosure.
06-12-2007, 10:41 AM
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Originally Posted by StreetOC192
.625 x 2 = 1.25
1.9 - .1 (displacement of 2 1022d subs) = 1.8
there is a 30% difference which isn't too much in the grand scheme of things. Especially sealed, there is more tollerence You should be fine with everything as-is. Worst case is your sub will sound a hair boomier if you even hear a differnece at all.
BTW, that was me who had mentioned in a thread or two about liquid-nailing a piece of 2x4 to the inside of the enclosure.
1.9 - .1 (displacement of 2 1022d subs) = 1.8
there is a 30% difference which isn't too much in the grand scheme of things. Especially sealed, there is more tollerence You should be fine with everything as-is. Worst case is your sub will sound a hair boomier if you even hear a differnece at all.
BTW, that was me who had mentioned in a thread or two about liquid-nailing a piece of 2x4 to the inside of the enclosure.
Anyways, where did you get the 0.1 from? Just curious. I figured if you take the sub's volume (pretend it's a perfect cylinder, though volume will def be X amount less), I multiplied pie*r^2*h=volume of a cylinder. Yeah, broke out the math for a sec, haha..
ANYWAYS, I just figured this out after posting and ended up with ~0.3ft^3 of actual airspace occupied PER SUB! ..so 2*0.3=0.6+1.3=1.9 is perfect for this box!
Thanks, though! It should be good to go it seems, so Im not gonna sweat it anymore!
06-12-2007, 11:33 AM
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Originally Posted by Takhteh
Ahh, thanks for the info StreetOC.. I knew I read a post recently talking about the 'liquid nails' thing but couldn't find it!
Anyways, where did you get the 0.1 from? Just curious. I figured if you take the sub's volume (pretend it's a perfect cylinder, though volume will def be X amount less), I multiplied pie*r^2*h=volume of a cylinder. Yeah, broke out the math for a sec, haha..
ANYWAYS, I just figured this out after posting and ended up with ~0.3ft^3 of actual airspace occupied PER SUB! ..so 2*0.3=0.6+1.3=1.9 is perfect for this box!
Thanks, though! It should be good to go it seems, so Im not gonna sweat it anymore!
Anyways, where did you get the 0.1 from? Just curious. I figured if you take the sub's volume (pretend it's a perfect cylinder, though volume will def be X amount less), I multiplied pie*r^2*h=volume of a cylinder. Yeah, broke out the math for a sec, haha..
ANYWAYS, I just figured this out after posting and ended up with ~0.3ft^3 of actual airspace occupied PER SUB! ..so 2*0.3=0.6+1.3=1.9 is perfect for this box!
Thanks, though! It should be good to go it seems, so Im not gonna sweat it anymore!
I went to Alpine's website, and they list the displacement as 0.05 cu ft per sub....
http://www.alpine-usa.com/US-en/prod...&lang=en&tab=F
Yeah, don't worry about it, sealed enclosures have a lot more tollerance than ported. You should be good.
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