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Old 26th April 2011, 12:08 AM   #1
djn is offline djn  United States
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Default Could I use a number of 6" subs in small boxes for dis. bass

Hi All, I've been thinking a lot about distributed bass as we are moving to a smaller house and was wondering if I could run 6" subwoofers in small boxes around the room to good effect. Maybe 4 of them?

PS, I have my main subs that I would also use so the 4 six inchers in seperate boxes would only be for smoothing.
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Old 26th April 2011, 12:19 AM   #2
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i like my tang band 38hz double folded tapped horns. check out volvotretters site. four of them would be nice! i have two currently
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Old 26th April 2011, 12:40 AM   #3
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Sure. There are a lot of options. Small sealed or ported cabinets are great, but I like horns and tapped horns for the little drivers. You can fit a lot of horn into a small space, and you can get solid performance from these drivers to below 30 Hz.

I designed the tapped version of the Insubnia for the AudioKarma collaborative project, but it really took off over at AVS. There is a member there that has a CNC cabinet shop making flat packs for people, but all the plans and a cutlist are available in this thread.
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Old 26th April 2011, 06:15 PM   #4
djn is offline djn  United States
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I have my two GOOD subs that I run in the front of the room, but I am thinking about the whole distributed sub thing and want the 2,3, or 4 little box subs to smooth out the dips and peak a room has with just one or two subs. If the little boxes will help smooth the room out, I'd want them to be inconspitous (sp) as possible.
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Old 26th April 2011, 08:42 PM   #5
tb46 is offline tb46  United States
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Hi Y'all,

There is a nice thread on this subject:

Multiple Small Subs - Geddes Approach

Go to the link in Post #5 for practical information.

Regards,
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Old 26th April 2011, 08:45 PM   #6
bjorno is offline bjorno  Sweden
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Hi djn,

I've been using multiple subs for over 40 years in my multi-channel systems and never found it necessary to incorporate the same BW for all the subs,i.e:
For lateral placed subs, opposed to the main frontally placed sub(s) it's IME sufficient to relax the requirement of f-3dB to be only ~ a half to one octave above the main sub(s) .That's only when the main sub(s) reach lower than ~35 Hz... A couple of smaller subs will IMO do this job just fine.

b
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Old 26th April 2011, 09:09 PM   #7
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The 25Hz tapped horn littlemike linked to is brilliant, even using the W6-1139SG it wasn't exactly designed for.
Possibly a bit large if you're not using them as main subwoofers, but they certainly deliver.

There's a lot of people getting <40Hz using ported boxes and the same driver, so that might be worth consideration, too: I'd be inclined to go along with bjorno's experience that the extras needn't go as far down as the mains, it would certainly give more driver choice, and smaller cabinets.

Chris
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Old 27th April 2011, 03:10 AM   #8
djn is offline djn  United States
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Thanks everyone. I was thinking about making small boxes for small subs but with 5 phone calls to audio friends, I ended up with 3 powered subs. Nothing special but will work for this application. As I said earlier, I have 2 very good subs so those will be my mains. 5 subs in the room should keep it very smooth.
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