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View Poll Results: SUBS
10" Audiobahn AWT10X (1000rms)
0
0%
15" Lanzar OPTI1532D (1300 rms)
25.00%
15" Type R (750 rms)
0
0%
15" AQ SD2.5 (600 rms)
0
0%
other
75.00%
Multiple Choice Poll. Voters: 4. You may not vote on this poll

new sub

Old 03-27-2012, 05:22 PM
  #1  
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new sub

Im looking for a new sub and have found the following, I will be getting an amp after to match the sub but need help choosing the sub. please vote and let me know why you chose that sub.
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Old 03-27-2012, 10:52 PM
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What are your goals - SQ or SPL or both? How much room do you have (any limitations)? Which midbass are you planning on mixing into?
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Old 03-28-2012, 07:08 AM
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only spl and no size limitations (wagon)
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Old 03-28-2012, 08:20 PM
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Spl

If SPL is your game, of those choice the Lanzar seems the most appropriate, given its cone area and power handling.
My $,02
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Old 03-28-2012, 08:53 PM
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dbs
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lots of good spl subs all under 200
sundown
skar
mach5audio
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Old 03-28-2012, 09:26 PM
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Originally Posted by dbs View Post
lots of good spl subs all under 200
sundown
skar
mach5audio
Any place I can buy those locally?
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Old 03-28-2012, 10:11 PM
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Originally Posted by midnight racer View Post
only spl and no size limitations (wagon)
Cool man.

If it was my money I'd look for a high sensitivity driver and then I'd horn load it. Most of the ones listed in the poll are low to medium in sensitivity. I'm honestly directly thinking of a 18" JBL 2242H or something similar.

I will say that I'm no car SPL expert, my game is SQ.

Here's some good quotes from http://www.data-bass.com/data?page=knowhow&type=1
Subwoofers really can be broken down in two categories: Mass controlled drivers and Compliance controlled drivers. Mass controlled tends have low xmax and high sensitivity. These tend to be punchy and very loud and mostly used in live concerts for sound reinforcement or even car SPL competitions. Compliance controlled subwoofers which tend to be the majority of home and car audio subwoofers. They have high xmax, more weight, lower sensitivity, but more SPL in the lower frequency spectrum. Any woofer in these categories can perform well or poor but it largely depends on the required bandwidth. Using a low xmax woofer for subsonic content is probably not ideal and will not only cause distortion but it wonít be efficient. Likewise using a high xmax low sensitivity driver for higher frequencies is not going to be very effective. In truth, there is no one stop solution and most drivers can overlap these areas with good results.

So yes, more xmax does mean more SPL but only for lower frequencies where power is not the limit. Generally speaking, during lower frequencies, the driver tends to run out of usable throw (beyond xmax) before high thermal compression occurs. 0-40Hz is primarily mechanical, 40-60 is in between) 60 and up is going to be thermally limited almost exclusively for most subwoofers. Surprisingly, even the largest drivers with high xmax and big voice coils can be bottomed out or run past a safe mechanical state with only a few hundred watts if the frequencies are low enough. Without a high pass (subsonic) filter, or in a low tuned system, bottoming out or breaking a driver could be a very real possibility without careful modeling and testing.
The ones you've listed tend toward compliance (primarily magnetic coil controlled in design) rather than mass (primarily acoustic resistance controlled in design). From how I understand things.

Sensitivity is very important for subwoofers. Not all frequencies are limited by xmax. In fact most of the bass frequencies for music are really limited by sensitivity rather than driver displacement. Higher sensitivity means more SPL and ultimately better performance especially for upper bass output. There are several standards for sensitivity. SPL at 2.83 volts or SPL at one watt. The SPL at one watt is the more appropriate number for a fixed amount of energy while 2.83 volts is the small single frequency response standard. Also sensitivity is a function of, in part, the driverís cone area. Its also a common mistake to assume that for example a 12" driver has a 12" cone. In truth, they are more often less than 10". You need to read the manufactures' sd specification cone area comparisons.
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Old 03-28-2012, 10:37 PM
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dbs
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mach5audio is in winnipeg
i got 2 mach5 12s sent to me (best subs i have ever seen and heard)
http://www.istonline.ca/contact.html

sundown and skar
http://www.soundsolutionsaudio.com/s...s/Sub-Woofers/

dont know about locally but check the classifieds here also
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Old 03-29-2012, 10:27 AM
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Originally Posted by dbs View Post
mach5audio is in winnipeg
i got 2 mach5 12s sent to me (best subs i have ever seen and heard)
http://www.istonline.ca/contact.html

dont know about locally but check the classifieds here also
Huh- nice gear. Wish I could have heard their 15" before I bought my 2512.
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Old 03-29-2012, 12:27 PM
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I would suggest 18inch sub instead.
FI BTL would be a great option if you got money.
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