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Old 21st December 2005, 12:58 AM   #1
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Default Mini Subwoofer.

http://www.partsexpress.com/pe/showd...number=264-831

http://www.partsexpress.com/pe/pshow...number=296-546

http://www.partsexpress.com/pe/showd...number=300-782

Any thoughts? This is to go with My Trangband 871's and possibly a tube amplifier kit etc.... I want some thing musical that will bring the kick bass back to life in my music.

Any thoughts on a crossover to split my RCA's coming from computer/turntable pre-amplifier?

I might have to build a passive pre-amplifier with an active crossove in it?
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Old 21st December 2005, 05:23 AM   #2
Stocker is offline Stocker  United States
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If you have a small room and / or only listen at low volume, that is an interesting driver indeed. The Fs is a little high for a "sub" woofer but possibly the enclosure could make up for it.
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Old 21st December 2005, 05:36 AM   #3
owdi is offline owdi  United States
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IMO, with subwoofers bigger is better. Don't go this small unless you really have to. Sure it looks cool, but a bigger driver will usually sound better and be more efficient.

Dan
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Old 21st December 2005, 05:49 AM   #4
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Dorm room.

The frequency roll off is SLOW, take a look. Well slow for the size of the driver, compare it to others that size, if they even make it to 50hz...

http://www.tb-speaker.com/detail/1208_03/w5-1138sa.htm
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Old 21st December 2005, 05:58 AM   #5
JZatopa is offline JZatopa  United States
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I would not go for less then an 8" sub. The size difference is minimal and the gains are great.
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Old 21st December 2005, 06:54 PM   #6
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Quote:
Originally posted by DJNUBZ
I would not go for less then an 8" sub. The size difference is minimal and the gains are great.
Do you think any of the 8 inch ones could work off of 25wRMS?

I am interested in musical talent, not punching bass.
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Old 21st December 2005, 07:16 PM   #7
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Does any one have or know of a guide to building horn loading boxes? That is also another option I suppose.
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Old 21st December 2005, 08:30 PM   #8
JZatopa is offline JZatopa  United States
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If you get a sensative enough driver then, yes I think you could run an 8" off of 25w.


I have seen guys use 15" pro audio subs (look for the guys that designed griffon loudspeakers I think) with a 10W class A amp.

If enclosure size isn't as important go check out www.decware.com and look at the wicked one free plans. I know someone on the forums designed and build a mini one using 6.5" subs or something like that.
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Old 21st December 2005, 09:07 PM   #9
indoubt is offline indoubt  Netherlands
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For those prices I would try it.

Been thinking about this as well. Yeah, the efficiency is low and yeah there is not much power but for modest volume levels it could just give you all the music frequencies that you desire.

I'm considering this one for a laptop based system with 2 " TB's although it's 8ohm brother is even better if you go for most tiny sub to reach down to 40Hz.

Unfortunately these drivers are hard to find in Europe or they are very expensive (more than twice what you are paying)
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Old 22nd December 2005, 12:18 AM   #10
owdi is offline owdi  United States
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Quote:
Originally posted by Destroyer OS.


Do you think any of the 8 inch ones could work off of 25wRMS?

I am interested in musical talent, not punching bass.
How big of a box can you tolerate?

Quote:
Originally posted by Destroyer OS.
Does any one have or know of a guide to building horn loading boxes? That is also another option I suppose.
In general, sealed boxes are the smallest, vented are in the middle, and horns are the largest. Since you have a small room, sealed is the way to go.

To get an idea of what sub will work best for SQ, divide 281 by the longest dimension of your room (in feet). This should be the -3db point of your subwoofer.

Dan
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