1. ## More smaller subs or less bigger ones???

Ok, I thought I knew this one but I think I may actually be confused, here goes:

With everything else being equal, magnet size, power input, etc... is cone displacement the main factor in spl? Read on....

Being that spl is a measure of sound pressure, more air moved or pushed equals more pressure, correct? Now because for every action, there is an equal and opposite reaction, I know that more air pushed requires more power. But say we give an 18" sub the same power as we give the same series of 10" sub. The conclusion that I come to is that the bigger sub will always be capable of more spl due to it's displacement advantage, and ALL other things being equal. Now without everything being equal, comes another theory, more displacement must require more moving mass, which means efficiency to move air must be lost.

Now I know all subs are not created equal, and there are many many other variables involved, but is bigger displacement the general factor in acheiving higher spl? Or is less cone area better sometimes due to the fact higher spl's are generally produced in the 60-70hz areas and the moving mass of larger subs may hurt performance in these ranges? Basically what I'm asking is: Is it better to use more smaller subs, or fewer larger ones?

2. ## Re: More smaller subs or less bigger ones???

Forgot to add: when the amount of total given power in the system is the same.

3. ## Re: More smaller subs or less bigger ones???

i didnt read more than the first sentance because i thought it was too time consuming, but if all of the controls such as the magnet size, power input, given the correct box for that driver; the smaller the smaller the cone area the tighter the bass. Example: generally speaking, two 8"s will have tighter bass than one 10".

4. ## Re: More smaller subs or less bigger ones???

Well I knew that, but my question was the ability to produce higher spl, sorry if I worded it so long I have no clue why I did.

5. ## Re: More smaller subs or less bigger ones???

Wait, I just thought about it, the two smaller subs would actually produce the higher spl being that they have more cone area as a pair, but their spl would be produced higher in the Hz range. Right???? Tell me I'm right I know it. lol.

6. ## Re: More smaller subs or less bigger ones???

yeah pretty much, more cone area will be louder but bigger subs will be able to hit lower.

it depends

8. ## Re: More smaller subs or less bigger ones???

Originally Posted by bri487
Example: generally speaking, two 8"s will have tighter bass than one 10".
ehhhhhhhhhhhh WRONG

take the brahma for example...the motor technology/strength allows a 15 to do everything that a 10 can. this straight out of the mouth of josh laine, so don't question me

-nate

9. ## Re: More smaller subs or less bigger ones???

Originally Posted by nswartley
ehhhhhhhhhhhh WRONG

take the brahma for example...the motor technology/strength allows a 15 to do everything that a 10 can. this straight out of the mouth of josh laine, so don't question me

-nate
generally speaking jackass

10. ## Re: More smaller subs or less bigger ones???

So if it can do everything a 10 can than buying anything smaller if you have the room is pointless then, correct?

11. ## Re: More smaller subs or less bigger ones???

Originally Posted by bri487
generally speaking jackass
calm it down now i was just making a statement that pertains to the newer drivers in today's market...

12. ## Re: More smaller subs or less bigger ones???

Ok let's use the Brahma then in this case, now reapply my statement, is it pointless to go smaller?

13. ## Re: More smaller subs or less bigger ones???

Originally Posted by marshall
Ok let's use the Brahma then in this case, now reapply my statement, is it pointless to go smaller?
the 15" brahma can do everything that the 10" can and it will go lower....and it will displace much more air. with the brahma/XXX, it is pointless to go smaller.

-nate

14. ## Re: More smaller subs or less bigger ones???

Originally Posted by bri487
generally speaking jackass
generally speaking ur WRONG. a 15" sub can be just as accurate as a 10". people just dont know how to use the sub. 15's need for room which many people dont give them thats why they will sound sloppier than a smaller sub which needs less room to sound good.

15. ## Re: More smaller subs or less bigger ones???

Originally Posted by capone28
generally speaking ur WRONG. a 15" sub can be just as accurate as a 10". people just dont know how to use the sub. 15's need for room which many people dont give them thats why they will sound sloppier than a smaller sub which needs less room to sound good.
CAN is the key word. given the right install, it is hard to make a lot of things sound bad.

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