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93dakman
Dodge Dakota
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8/13/2004
00:52:47
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 Subject: 2 10's against 1-12 inch
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Hello, I have a regular cab and a wedge box holding 2 Sony Xplode 10 inch subs the box is somewhere around 1.8 cubic feet. They are wired up to the amp at 2 ohms and at 450 watts rms. I am seriously looking into getting one 12 inch infinity kappa perfect in a box with about 2 cubic feet. It will also be wired in at 2 ohms and with the 450 watts rms. I was just wondering what you guys think would sound the best. I am more into SQ than SPL, but a little of each would be nice. I listen to classic rock, so I dont want boomy bass, I want it to be tight and responsive. But the occansional rap DOES find its way through.
Thanks in advance for your help.
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steveo27
Dodge Dakota
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8/13/2004
18:13:52
| RE: 2 10's against 1-12 inch
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id stick with 10s personally, especially if you want tighter response.
i had a set of 12" sonys in my dakota (87 reg cab), and they were kinda sloppy i thought, and they were only gettin 200 rms a peice (in a 2 cu ft box). i listen to alotta classic and new rock, so it wasnt cuttin for me.
i sold off everythin, and bought 2 10" kicker solobarics and a hifonics amp (runnin 450rms to each one in a 2 cu ft box). i more than doubled the power output of the system, but let me tell you, the kickers are 1000 times clearer than the sonys will ever be.
if i were you, id look into buying 1 good 10, and installing it in a sealed box. go with a brand like kicker or JL or RF.
any questions?
-steve
http://www.sounddomain.com/memberpage/605315
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93dakman
Dodge Dakota
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8/14/2004
01:15:14
| RE: 2 10's against 1-12 inch
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only one question, Is the Infinity kappa perfect 10.1D gonna be as good as the JL and Kickers your mentioned? Will one of them subs be around the spl as my two Xplode's?
Thanx
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93dakman
Dodge Dakota
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8/14/2004
01:45:24
| RE: 2 10's against 1-12 inch
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Ok, here goes, I did alot of figuring and came up with some answers....
Sony Xplode 10 inch:
PI*5*5= 78.54 sq. in. (cone area)
8.5mm xmax = .34 inch xmax
78.54 x .34 = 26.7 cu. in. (total air moved per sub)
26.7 x 2 = 53.4 cu. in. (total air the xplodes can move)
Infinity Kappa Perfect 12.1D
PI*6*6 = 113.1 sq. in. (cone area)
14mm xmax = .57 inch xmax
113.1 x .57 = 64.5 cu. in. (total air the infinity moves)
So the single Infinity moves more air than the 2 Xplodes do combined. And more moving air means higher SPL numbers. And I know for a fact that the Infinity has better SQ and is more responsive. So I do not see why the sinlge twelve inch is not better.
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Ben J.
Dodge Dakota
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8/14/2004
14:23:24
|  RE: 2 10's against 1-12 inch
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Just going to chime in here,
The infinity subs will sound twice as good as your old sony stuff, and like you said they have a SQ that is unmatched at their price rance.
Something that I do NOT agree with stevo about is that 12's are sloppy. I have heard MANY people try to push this crap info and it is just plain wrong.
I by no means am not saying that stevo's 10 don't sound better than his 12, but if your 12 sounds "sloppy" or "lose" then you do not have you sub set up corectly (or you have a cheep sub).
12's will almost always sound as good or better than the same 10's. But for the size of our trucks, 1 ten is usaly enough. If I were to do my setup again, I would have gone with 2 12's. But I think you said you like to listen to rock and alternative, not rap, so 1 12 should be more than enough for you.
1 12 gives you the option of turning up the gain, and getting some heavy bass going, or lowering it and gettting the tight, clear, and responcive sound that infinity is known for.
I would go for a single 12 with your 450 watt amp pushing it.
Just my 2 cents, sorry for the long boring post.
Always thankful,
Ben J.
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93dakman
Dodge Dakota
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8/14/2004
18:30:05
| RE: 2 10's against 1-12 inch
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Hey man, thanks, that wasnt long and boring, those are the responses I was lookin for.
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Alec
Dodge Dakota
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8/14/2004
18:46:20
| RE: 2 10's against 1-12 inch
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Buy the Infinity Kappa Perfects.
You will not be disapointed. The sound quality is the best I have ever heard. Ever.
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steveo27
Dodge Dakota
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8/15/2004
11:46:53
| RE: 2 10's against 1-12 inch
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ben is right too.
go with the infinity 12 if you want good SQ.
and yes the 12s did sound sloppy in my truck, they were Xplods. it was a combination of the box not being big enough and the subs not bein all that good. however they are in my buddy's car now, with a big box, and they sound a lot better.
only reason i suggested 10s was the fact that there is not much room behind the seat of a dakota. i will agree, 12s usually sounds better then 10s. but with the 12s, you have larger magnets, and the sub is usually taller.
if you can get 12s behind your seat and still be comfortable, more power to you.
-steve
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Dakota King
Dodge Dakota
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8/16/2004
10:02:56
|  RE: 2 10's against 1-12 inch
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LONG POST BUT WORTH IT!!!Dakota Audio I know. I am running A clarion competition HU thinking about getting a new one though cause its not mp3, 2 Phoenix Gold amps 1 4 channel 400.4 running Kicker Resolution Component set in front doors with custom mounted tweeter in the pillar. Kicker two way 6.5 in the back doors 100w rms to each and the other phoenex gold 600.1 running one Kicker Solobaric L7 10" in custom to spec box I have a 2001 Dakota Quad Cab box sits on back floor with enough room for 2 people to fit in back even three if you want to get adventurous. Any way this configuration is AMAZING I listen to everything Alternative, Country,Classic Rock,Metal,Rap,techno, everything is tight,and crisp and very loud if you so desire
I have got noise violation tickets
Some of the questions people have asked me about my system are
How many 12's do you have in here?
Where are your subs?
Kicker Solobaric is that the square sub
My friend once said to me " You can tell when your system is good when your ears give out before the system distorts"
I am not trying to brag at all but
THIS SYSTEM ROCKS
pics hints and tips available upon request
rpheifer@sympatico.ca
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93dakman
Dodge Dakota
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8/16/2004
19:28:48
| RE: 2 10's against 1-12 inch
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How did this pertain to the original questions?
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SQDak
Dodge Dakota
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8/16/2004
19:33:02
| RE: 2 10's against 1-12 inch
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the math up there is incorrect on sevral accounts...
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93dakman
Dodge Dakota
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8/16/2004
23:37:58
| RE: 2 10's against 1-12 inch
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Oh man, I'm sorry, I'm only working on my masters for mechanical engineering at SIU. I must be stupid, why don't YOU tell me how to do it then.
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Germ
Dodge Dakota
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8/18/2004
17:39:00
| RE: 2 10's against 1-12 inch
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If you have room, then go with the 12, b/c like someone said above, you'll have more options with how much bass you want. I have 2-10's in my club cab and I love them, they fit perfectly under the seat. 1-12 would've been great, but not enough space for it. Also, 1-12 won't blow out your eardrums if you're looking to keep it at a moderate sound.
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SQDak
Dodge Dakota
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8/20/2004
23:52:14
| RE: 2 10's against 1-12 inch
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first off, the EFFECTIVE piston displacement diameter of a 10" sub isn't 10"....it's the leading edge of the wave source(IE the very top of the surround)....second, this measurement is constantly changing as the cone moves further from its rest position(integrate)...
third, you should really check out the difference between the surface area of a 'cone' and a 'piston'.....using your logic, you numbers for displacement are totally incorrect....
and forth(most importantly), we've yet to discuss the characteristics of Xmax at respected frequencies and power levels......
grad school eh?...we covered all of this in second year undergrad.....
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Fung Chow
Dodge Dakota
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8/23/2004
12:51:27
| RE: 2 10's against 1-12 inch
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i rather go 1 10" sub. I have a 10" PG qx 10 in a small box and factory speakers and im still clearer then most people with 2 12" in some cases. another question is what kind of seats do you have? do you have splits, a bench seat, a bench with a arm rest, or bucket seats. because if you have a seat set up with a gap between the driver and the passenger you might wanna do a 12" reversed (where the magnet is facing toward the dash) i have seen that set up in many trucks and it sounds nice and clean, especially for your kind of music. but either or i hope you get the sound you want.
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Dakota King
Dodge Dakota
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8/23/2004
13:45:24
|  RE: 2 10's against 1-12 inch
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This pertains to the original question because a 10" Kicker solobaric L7 will out do almost any low end 12 eg Sony Explod Kenwood pioneer the
lo-line Of any brand of Subs. You get what you pay for
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Scar8
Dodge Dakota
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8/23/2004
19:19:58
| RE: 2 10's against 1-12 inch
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i have one 10 RF with 200 rms with stock speakers and its really clear and hits good. but i think im gona buy another for behind my seat when i get the cash.
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93dakman
Dodge Dakota
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8/27/2004
12:57:53
| RE: 2 10's against 1-12 inch
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Umm, Im not talking about getting some low end sub.
Unless the Infinity Kappa Perfect 12.1d is low end. I
just want to know what is better for all around sound
quality and spl...The 2 10" Xplods or the 12.1d.
Thanx
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Bowtie ZL-1
Dodge Dakota
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8/27/2004
15:18:42
| RE: 2 10's against 1-12 inch
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Are you going to apologize for sounding like a prick when someone was trying to help you by pointing out that you screwed up a simple calculation?
BTW, I am a third year M.E. student and you gave me a laugh when I read how you calculated the volume of air moved.
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Hmmmm
Dodge Dakota
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8/28/2004
15:01:35
| RE: 2 10's against 1-12 inch
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"Are you going to apologize for sounding like a prick when someone was trying to help you by pointing out that you screwed up a simple calculation?"
1st off, SQDak wasn't helping the guy, just flaming on 93Dakman for not getting a calculation right. Where's the correct calculation for figuring out the surface area of a speakers cone?
2nd, If you a 3rd year M E student you certainly would be able to provide this "simple" calculation to figure out the surface area of the speaker cone.
Even if 93Dakman's way of calculating the surface area is not right, is he correct that the Infinity 12 will move more air than the 2 sony 10's? Both speaker cones have about the same pitch angle and the 10" speaker will lose more surface area when you use the true surface area of the speaker.
C'mon genius's, is 93Dakman right that the Infinity 12 will move more air than the 2'10's? How about some help, instead of flames.
D@nm, I cound like the pot calling the kettle black LOL
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Ben J.
Dodge Dakota
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8/30/2004
18:52:26
|  RE: 2 10's against 1-12 inch
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Jesus guys, knock it off.
The infinity will sound MUCH better than your xplodes.
END OF STORY!
Now would everyone quit flaming and trolling in the topic.
There is your answer, sorry for sounding like an @ss, but someone needed to break it up.
Always Thankful,
Ben J.
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