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Old 17th February 2003, 10:43 AM   #1
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Default Subwoofer Help

Hello,

I would like to star in a DIY project but I'm complete rockie. I need for my sistem a subwoofer. Could someone help me to find:
- wood work;
- and a DIY projects of a quality subwoofers.

Thanks
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Old 17th February 2003, 03:00 PM   #2
SY is offline SY  United States
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Any project starts by putting down on paper your requirements and goals. At a minimum, you want to start with:

1. Frequency range
2. SPL required
3. Mono or stereo
4. Desired size and weight
5. Cost
6. Location with respect to "main" speakers
7. Passive or active crossover
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Old 17th February 2003, 03:25 PM   #3
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The requirements are:

1. Frequency range___20-120Hz
2. SPL required____???(I'm roockie)
3. Mono or stereo_____ Stereo
4. Desired size and weight___ no problem about that
5. Cost_____ less then $1000
6. Location with respect to "main" speakers___any
7. Passive or active crossover____ACTIVE

Thanks,
Cristiano
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Old 17th February 2003, 03:32 PM   #4
SY is offline SY  United States
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You may want to check out the Shiva woofers at Avatar Audio. Their white paper is a good introduction and provides a lot of design options. I'd recommend, for a rookie, sticking with closed-box systems; tuning ported and PR systems without the use of good quality impedance measuring equipment and a firm handle on what you're doing is dicey at best.

And use built-in plate amps. For this frequency range, you don't need anything fancy, just lots of power and reasonably low distortion.
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Old 21st February 2003, 04:06 AM   #5
tg3 is offline tg3  United States
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Quote:
Originally posted by SY
You may want to check out the Shiva woofers at Avatar Audio.
They now are called Adire Audio.
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Old 21st February 2003, 05:20 AM   #6
ppfred is offline ppfred  Canada
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Default Re: Subwoofer Help

Quote:
Originally posted by cristiano
Hello,

I would like to star in a DIY project but I'm complete rockie. I need for my sistem a subwoofer. Could someone help me to find:
- wood work;
- and a DIY projects of a quality subwoofers.

Thanks
Start here:
http://www.diysubwoofers.org/

Then there's:
http://www.linkwitzlab.com/thor-intro.htm

good luck
pf
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Old 21st February 2003, 11:13 AM   #7
navin is offline navin  India
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How about a kit?
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Old 21st February 2003, 02:27 PM   #8
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Navin, TG3 and Ppfred,

I visited the 3 sites and I have now a lot of information to study.
I think I will do everything on my own.

Many, Many thanks,

Cristiano
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