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Is There A Big Difference Between 12' & 15's?


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You can always make room :spiteful:

Current Systems:

2011 BMW 335i

Hertz HDP1

DC LVL3 12" Full Carbon Fiber

2002 Acura Tl
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DC 3.5k
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DC Power Engineering 260 Amp Alt
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going over rms = smaller box, under rms = bigger box...

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2 15's will fit in a chrysler 300c. there's a decent amount of trunk space in those - but it will consume the majority or your trunk if you're going to port them. 1 15 might be a safer bet if you're looking to save some space still. just make sure you've got proper power to the right kind of sub and it will slam HARD. what kind of amp/subs/power supplies were you looking at putting in

Currently Under Construction - hoping to be done by August:

JVC KD-SH55 Head Unit

Rockford Fosgate 10" HX2 @ 35Hz

Hifonics Zeus ZXi6.5C (Mids/Highs)

Hifonics TXi4008 (amp for mids/highs)

Hifonics BXi610 (amp for sub)

KnuKonceptz Kolossus Flex 4 gauge - power/ground

50^2ft. FatMat sound deadener

Big 3 - KnuKonceptz 4 gauge

1 Farad Powersonic Cap

Yellow Top Optima

150A ANL Fuse

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2 15's will fit in a chrysler 300c. there's a decent amount of trunk space in those - but it will consume the majority or your trunk if you're going to port them. 1 15 might be a safer bet if you're looking to save some space still. just make sure you've got proper power to the right kind of sub and it will slam HARD. what kind of amp/subs/power supplies were you looking at putting in

oh they can have the whole trunk thats no problem lol! im looking to get 2 dc xl 15's and 2 saz2000's i might go with the saz4500 when its out tho!

Mr%20Mcnasty510.png

Chrysler 300 on 24's

(2) audioque 2200d's [subs]

(1) audioque 4x90 [highs/mids]

(2) 12" DC audio level 4xl's

(2) xspower D3100's

Iraggi 320 amp alt

Big 3, 2 runs of 1/0 guage

Box 4 cft tuned to 30hz

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2 15's will fit in a chrysler 300c. there's a decent amount of trunk space in those - but it will consume the majority or your trunk if you're going to port them. 1 15 might be a safer bet if you're looking to save some space still. just make sure you've got proper power to the right kind of sub and it will slam HARD. what kind of amp/subs/power supplies were you looking at putting in

i hear what your saying, but that kinda doesnt make sense, b/c if thats the case he should just port 2x 12's and call it a day, b4 porting 1x 15.

anyway, the true answer i believe your looking for was said many times already. conearea is the 1st and most important reason, but the second is airspace. for this example were only gonna compare, the 12, 15, 18... b/c 21's are not that common, and 10's a not really used that much.

so cone area for these equal:

12 inch sub=113.1

15 inch sub=176.71

18 inch sub=254.47

2x 12's=235.62

2x 15's=353.43

2x 18's= WONT FIT IN YOUR TRUNK

assuming power is the same for all, they all have same rms, xmas, sensit., and f/s*

here you have 2x 12's. the cone area of these 12's are ~235. so if you were to battle some1 w/ 1x 18 (cone area= ~254), your at a disadvantage to start off. and if everything is the same, like tuning and rms

... the 18 should be louder. but now if that same person had 15's, they would of had ~100 inches more of cone area for 2x more cubes of trunk space, putting them at a distinct advantage. and their system would be alot louder.

so the main reason why so many people, especially car audiophiles go w/ 15's over 12's and sacrifice their trunk space, is to be happy. they rather go big, and be happy, then go small and want more.

thats just my .02c, but more members will chime in

CURRENTLY UNDER RE-CONSTRUCTION

2008 Hyundai Sonata

Team T3 Audio

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Team SMD (Street Motivated Devastation)

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oh they can have the whole trunk thats no problem lol! im looking to get 2 dc xl 15's and 2 saz2000's i might go with the saz4500 when its out tho!

if i was you, id wait 4500, to be honest. just get a small amp to hold you over while you wait. if you buy one for presale price, you'll save a good amount of money.

CURRENTLY UNDER RE-CONSTRUCTION

2008 Hyundai Sonata

Team T3 Audio

Team Deadly Hertz

Team SMD (Street Motivated Devastation)

Chariot.gif

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I know I could get 2 15s in there easily.

our shop is open lol, can get you a good deal on amps too if you haven't bought yet.

David

Stop trying to steal a future Sundown customer.... :lol:

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If you build it, db's will come...

NSPL World Record Holder Trunk 0-1800 watts---147.9 with 1722 clamped watts @ 40Hz(9-20-09).

Competition Only Record Holder Trunk 0-500 watts---148.1

2006 Nissan Altima 3.5 SE

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My 150db Plus Trunk Build

I do box designs.

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[benH] 6:24 pm: being an idiot is what blows subs

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so the main reason why so many people, especially car audiophiles go w/ 15's over 12's and sacrifice their trunk space, is to be happy. they rather go big, and be happy, then go small and want more.

i hear ya there!

Mr%20Mcnasty510.png

Chrysler 300 on 24's

(2) audioque 2200d's [subs]

(1) audioque 4x90 [highs/mids]

(2) 12" DC audio level 4xl's

(2) xspower D3100's

Iraggi 320 amp alt

Big 3, 2 runs of 1/0 guage

Box 4 cft tuned to 30hz

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I know I could get 2 15s in there easily.

our shop is open lol, can get you a good deal on amps too if you haven't bought yet.

David

lol where are you located anyway?

Mr%20Mcnasty510.png

Chrysler 300 on 24's

(2) audioque 2200d's [subs]

(1) audioque 4x90 [highs/mids]

(2) 12" DC audio level 4xl's

(2) xspower D3100's

Iraggi 320 amp alt

Big 3, 2 runs of 1/0 guage

Box 4 cft tuned to 30hz

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Share on other sites

oh they can have the whole trunk thats no problem lol! im looking to get 2 dc xl 15's and 2 saz2000's i might go with the saz4500 when its out tho!

i'd say hell yeah and go with that - and as for amps that all just depends on what you want to do. but i'd definitely go with the dc xl 15's....those are going to pound!! FTW

Currently Under Construction - hoping to be done by August:

JVC KD-SH55 Head Unit

Rockford Fosgate 10" HX2 @ 35Hz

Hifonics Zeus ZXi6.5C (Mids/Highs)

Hifonics TXi4008 (amp for mids/highs)

Hifonics BXi610 (amp for sub)

KnuKonceptz Kolossus Flex 4 gauge - power/ground

50^2ft. FatMat sound deadener

Big 3 - KnuKonceptz 4 gauge

1 Farad Powersonic Cap

Yellow Top Optima

150A ANL Fuse

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