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DIY Subwoofers - Infinite Baffle

My IB...

Discuss My IB... in the DIY Speakers and Subwoofers forum; My IB... Certainly not a new install, but there's much IB interest in these parts so I figured I'd post mine. Quite ...


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Old 07-04-06, 09:45 AM   #1 (Link)
 
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My IB...


Certainly not a new install, but there's much IB interest in these parts so I figured I'd post mine. Quite modest as IB's go, it's a pair of Ascendant Atlas 15's (discontinued) in a 128ft^3 closet (~5x Vas). The coils are wired for a Qts of 0.57, if I recall correctly, but can be varied from .4 to .8.



Sound is, well, like clean bass and SPL is certainly adequate in my 1400^3 room.


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Old 07-04-06, 09:49 AM   #2 (Link)
 
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Re: My IB...


Nice work Jack. What amp are you powering them with?


If you don't have a BFD for your sub, get one fast!
If you don't have REW, get it now!

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Old 07-04-06, 10:18 AM   #3 (Link)
 
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Re: My IB...


Thanks, bro'. I've been using one of my Buttkicker amps to power them, but they don't need anywhere near that much power for full excursion. I've never heard them bottom, though, since the design apparently prevents it.


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Old 07-04-06, 11:35 AM   #4 (Link)
 
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Re: My IB...


Cool beans Jack. Those are some impressive lookin' subs.

That color looks almost like the color in my room.

When you say that the design apparently prevents bottoming, what do you mean by that?


Sonnie




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Old 07-04-06, 01:34 PM   #5 (Link)
 
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Re: My IB...


The color is actually darker/richer than the flash shows it, always looks kinda Barney-ish with a flash.

Quote:
When you say that the design apparently prevents bottoming, what do you mean by that?
I think they were designed in such as way that the spider hits the plate before the voice coil can hit the bottom. Been a while, though, and I can't find the old site anymore.


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Old 07-04-06, 05:13 PM   #6 (Link)
 
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Re: My IB...


Looks good man. Are you running a BFD?


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Old 07-04-06, 05:35 PM   #7 (Link)
 
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Re: My IB...


Nahh, a DEQ2496. Kinda tired of fighting my room, though, and the IB is not really in a good place acoustically. Unfortunately, it's the only place and wall I could pull it off (two exterior walls and another off the main hallway). Been playing around/measuring with a couple small sealed subs and adding bass traps, so I might retire the IB soon. With only two 15's, I'd at least be able to match the displacement easily and gain placement advantages even if I lose in other areas.


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Old 07-05-06, 12:49 AM   #8 (Link)
 
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Re: My IB...


Man, all this IB talk lately has me wondering how to set one up in my room...Possibly using my walk-in closet assuming that the clothes would help drop the Qtc down a bit


If you don't have a BFD for your sub, get one fast!
If you don't have REW, get it now!

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Old 07-05-06, 07:59 AM   #9 (Link)
 
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Re: My IB...


Quote:
Exocer wrote:
Man, all this IB talk lately has me wondering how to set one up in my room...Possibly using my walk-in closet assuming that the clothes would help drop the Qtc down a bit
You could use that closet for all your fiberglass clothing.


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Old 07-08-06, 10:10 PM   #10 (Link)
 
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Re: My IB...


Yeah, lol. Man that's gotta itch! fiberglass clothes...


If you don't have a BFD for your sub, get one fast!
If you don't have REW, get it now!

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Old 07-10-06, 05:42 PM   #11 (Link)
 
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Re: My IB...


You should see what Swithey over at AVS is doing. He's using his attic!


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Old 07-11-06, 01:29 AM   #12 (Link)
 
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Re: My IB...


That's what I'm a gonna use... the attic! However, I may wish I had something similar to what Jack's got when it's all said and done. That attic is one hot momma... scorchin'.. sizzlin'... being up there just 5 minutes makes me feel like someone lit the grill under me and then drenched me with somethin' wet.


Sonnie




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Old 07-11-06, 01:31 AM   #13 (Link)
 
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Re: My IB...


Insulation, Baby! Insulation!


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Old 07-11-06, 03:21 AM   #14 (Link)
 
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Re: My IB...


Quote:
nobbie wrote:
Insulation, Baby! Insulation!
Steady, Son.

Insulation dependance need no longer be a burden to you and your family.

Ring your local Insulation Anonymous line today and break the hold insulation has over you.

One day at a time.



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Old 07-11-06, 03:26 AM   #15 (Link)
 
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Re: My IB...


Quote:
Sonnie wrote:
That's what I'm a gonna use... the attic! However, I may wish I had something similar to what Jack's got when it's all said and done. That attic is one hot momma... scorchin'.. sizzlin'... being up there just 5 minutes makes me feel like someone lit the grill under me and then drenched me with somethin' wet.
That's why they invented nightime, Sonnie.

Choose a night after a cloudy day to go up there.

You don't have clouds where you live? Now you tell me!


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Old 07-11-06, 09:49 AM   #16 (Link)
 
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Re: My IB...


Quote:
Chrisbee wrote:
Steady, Son.

Insulation dependance need no longer be a burden to you and your family.

Ring your local Insulation Anonymous line today and break the hold insulation has over you.

One day at a time.


Insulate to live, live to insulate!


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Old 07-12-06, 05:18 AM   #17 (Link)
 
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Re: My IB...


Quote:
nobbie wrote:
Insulate to live, live to insulate!
At least it's an ethical habit.

Mine is 12-16". (of rockwool)

What's yours?


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Old 07-13-06, 02:07 AM   #18 (Link)
 
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Re: My IB...


Quote:
Chrisbee wrote:
That's why they invented nightime, Sonnie.

Choose a night after a cloudy day to go up there.

You don't have clouds where you live? Now you tell me!

It's dark at night and I won't be able to see.


Sonnie




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Old 07-13-06, 03:10 AM   #19 (Link)
 
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Re: My IB...


Just hang from your toes (like I do) and you'll be alright.

Just ask Russell.


Quote:
russ.will wrote:
You live in a dark, dark place.

Russell


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