8's vs 15

 

Bronze Member
Username: Timbuc

Post Number: 19
Registered: Dec-06
Same brand. Which will be louder (3) 8 vs (1) 15?
 

Gold Member
Username: 04redmach1

Columbus, GA USA

Post Number: 1913
Registered: Mar-06
Depends. Which subs are you looking at? Same power? For daily or a f@rt machine?

Kevin

PS: I can't believe we can't use the word -F A R T- WTF?
 

Gold Member
Username: Insearchofbass

Post Number: 9230
Registered: Jun-04
one 15 is more cone area...and probably cheaper than three 8's if all the subs considered are the same brand and line but are you planning on competing
 

Gold Member
Username: Cblaze

Rock island, Tenesssee Us

Post Number: 2098
Registered: Sep-07
1 15 will be louder
 

Gold Member
Username: Hdubb

Team Revolution

Post Number: 3685
Registered: Nov-04
id go a 15 imo or 3 10s
 

Silver Member
Username: Deadrabit

Post Number: 389
Registered: Jun-07
if each sub has the same amount of power.. then the 8s would have 3 times the power... ?
 

Gold Member
Username: Naledge503

Portland, Or

Post Number: 3612
Registered: Jun-06
1 15" sub has more cone area than 3 8's. So if all variables (power, tuning, etc..) are the same, in theory, the 15" should be louder.
 

Platinum Member
Username: Wingmanalive

A pic is worth 1000 posts!!

Post Number: 16649
Registered: Jun-06
To me, why would anyone use multiple drivers if one suits the purpose? Amp, wiring, box, ect.....



The K.I.S.S. theory rules this one.




 

Silver Member
Username: Mark872

2 Type X 12s, Hughes S..., Texas

Post Number: 292
Registered: Jul-07
How do yall figure that one 15 has more cone area then 3 8s? Not being an azz..just want to know. cuz i would have just thought that 3 x 8 = 24. 24>15.
 

Gold Member
Username: Naledge503

Portland, Or

Post Number: 3615
Registered: Jun-06
http://www.caraudio.com/forum/showthread.php?p=3394881#post3394881

http://208.110.132.9/classes/idbl/conversion_chart.php
 

Bronze Member
Username: Timbuc

Post Number: 20
Registered: Dec-06
Thanks for the response guys, Ok here is my option (3) 8w7 vs (1) 13w7. I know, I know JL ;-). Both set up will being feed by a 1000/1. By the way the way both will be ported. I am going for a daily application, also if this would help I have Boston Z5 in the dash, and Boston Pro 4's in the kicks and in the rear powered by a 300/4. Many thanks guys.
 

Gold Member
Username: Insearchofbass

Post Number: 9231
Registered: Jun-04
"To me, why would anyone use multiple drivers if one suits the purpose? Amp, wiring, box, ect.....



The K.I.S.S. theory rules this one."


depends if he wants to compete and that can limit your cone area...and if he competes in say iasca he would be limited to three eights or two 10's...(tens being more cone area) in the 160 square inch class
 

Bronze Member
Username: Timbuc

Post Number: 21
Registered: Dec-06
Hey Sean, I am not competing. Just looking at options. So from your view being I am little green in this area. If you throw out the K.I.S.S theory. What would you do. So teach me something here. 3*8= 24"vs 15" am I am missing something here
 

Gold Member
Username: Insearchofbass

Post Number: 9233
Registered: Jun-04
ok what you would do is take the woofer size cut it in half and multiply by itself twice and multiply it by 3.14 and you get the square inches of the speaker...so one 8 would be 4 x 4 x 3.14= 50.24...so three eights would be 150.72 and one 15 would be 7.5 x 7.5 x 3.14= 176.625...or as iasca calls it 176.63
 

Bronze Member
Username: Timbuc

Post Number: 22
Registered: Dec-06
http://www.caraudio.com/forum/showthread.php?p=3394881#post3394881

http://208.110.132.9/classes/idbl/conversion_chart.php



Just read up on it. Thanks
 

Gold Member
Username: Insearchofbass

Post Number: 9234
Registered: Jun-04
yw
 

Silver Member
Username: Mark872

2 Type X 12s, Hughes S..., Texas

Post Number: 293
Registered: Jul-07
So that means that 2 8s would be 100.50 and a 15 is 176.63. So one 15 would almost be twice as loud as 2 8s??
 

Platinum Member
Username: Rovin

1 15 = 149.1DBsTrinidad & T...

Post Number: 13768
Registered: Jul-05
if u have space for 1 15 then u can also do 2 10s or even 2 12s ...
 

Gold Member
Username: Nd4spd18

Northwest PA

Post Number: 7519
Registered: Jul-06
Haha you fail at math.
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