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Old 13th September 2005, 08:23 AM   #1
croccodillo is offline croccodillo  Italy
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Location: Bergamo
Default Hidden subwoofer


I'm planning to realise a subwoofer box for my sound system: my idea was to place the sub under my sofa, in manner to hide it.
The sofa is 2,5 m long, and almost 1 meter deep.
The big problem is that the free space under it is really low, about 16 cm (6.3").
I have two 8" and one 10" drivers, my idea is to use the two smallest ones in parallel, side by side, in a vented box.
So, in you opinion, a box so "flat", can work fine?

Click the image to open in full size.

I made some calculation win WinISD and it should work down to 30 Hz, but I'm afraid its shape...

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Old 13th September 2005, 11:14 AM   #2
Collo is offline Collo  Australia
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Hi there Giovanni,

I recently built a very slim sub designed to sit against a wall. It would be just as happy under a sofa.
Its dimensions were: 90 litre 3.2cu.ft enclosure 1130H * 200D * 590W.
This is quite close to what you were considering, so you might like to have a look. There's more detail and pics at:
It had a single 10" driver, two 90mm side-firing ports and an 80w amp and performs quite well!

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Ports rule!
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Old 13th September 2005, 12:38 PM   #3
rabbitz is offline rabbitz  Australia
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Collo..... you going to start to hide your subs now? That would be a task
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Old 13th September 2005, 04:18 PM   #4
Bjohannesen is offline Bjohannesen  Denmark
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Hi, take a look at my HideAway TL sub in this thread


Hi from Bjohannesen
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