How can i put a car subwoofer in my room - diyAudio
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Old 23rd May 2010, 09:43 PM   #1
baamf is offline baamf  United States
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Default How can i put a car subwoofer in my room

I want to put a car subwoofer in my room but I am at a loss on how to do it. I installed them in my car but that seems to be completely different than putting them in my room. So I am wondering if anyone could possibly explain how to hook up a car subwoofer in my room and what I would need to do that?
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Old 23rd May 2010, 10:56 PM   #2
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The problem is to isolate the front from the back. A very large board would do it. A box would work but for low frequencies it would have to be large or, alternatively, need a very powerful amplifier to get much sound.
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Old 23rd May 2010, 11:13 PM   #3
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It wont be as impressive as in the car, but a 12" car sub in a small sealed box will be 'ok' in a corner.

You will either require a 120/240v > 12v PSU like a PC PSU to power your car amp, or buy a plate amp/stereo.
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Old 24th May 2010, 01:03 AM   #4
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You could put it in a small sealed box and EQ the crap out of it to make up for lost cabin gain. Or get the TS parameters and model it to see what it can really do.
Generic Signature
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Old 24th May 2010, 04:39 AM   #5
FlipC is offline FlipC  United States
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What do you mean by put them into your room?

We assume that they are in some type of enclosure already.
We assume you have a car amplifier for said woofer.

So go purchase a 12v converter to hook up amp (not just any make sure it can do the job) and place where ever you can that sounds best.
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Old 24th May 2010, 05:44 AM   #6
col is offline col  Australia
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I use 2 low profile car subs in my flat. They are in very small sealed enclosures which is nice as I don't have loads of room space. Amplifier power is cheaper for me than room space, I'm using two Hypex UcD400 modules. I also use the Rod Elliot EAS sub controller:

P48 Sub-Woofer Controller (Rev-A)

My mains are sealed and blend into the subs nicely.

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Old 24th May 2010, 06:57 AM   #7
osscar is online now osscar  Latvia
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Im also just now building a active subwoofer using old Pioneer car woofer. Box and the amplifier (Leach amp 4.5 inside box) is already ready, it remains to assemble everything together and complete the painting of box. Then tell how it all turn out
My DIY :
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Old 26th May 2010, 02:18 PM   #8
Glowbug is offline Glowbug  United States
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Whatever you do, buy a real (home) amp for them.

They're cheap enough from places like Parts Express or Apexjr, that there's no excuse for being unsafe by trying to use 12VDC equipment.
The machine does not isolate us from the great problems of nature but plunges us more deeply into them. - Antoine de Saint-Exupéry
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Old 28th May 2010, 06:27 AM   #9
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Plate amps are cheap enough, I'm in the process of building 2 powered subs using response 10" carbon fibre car subs. My HT sub has 2 15" car subs but that was because I already had them.
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Old 28th May 2010, 06:44 AM   #10
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You need a rather powerfull mono amp and active two way filter around 80/100hz.
Plate amps do all.
This kind of speaker have parameters allowing to mount them in small boxes, closed or vented. Closed boxes though going not so low than vented , sound better and are simpler to build.

Last edited by bobodioulasso; 28th May 2010 at 06:48 AM.
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