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 Electronics
 Sound/Radio
 Distinguish subwoofer and woofer
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Ashirdaniel
Apprentice

India
66 Posts

Posted - Oct 02 2015 :  4:20:10 PM  Show Profile  Send Ashirdaniel an AOL message  Reply with Quote
Friends, is there any ways we can recognize a subwoofer from woofers just by looking and touching.? Do subwoofers have more looose voice cone?

Dany

Ashirdaniel
Apprentice

India
66 Posts

Posted - Oct 04 2015 :  12:06:47 AM  Show Profile  Send Ashirdaniel an AOL message  Reply with Quote
I think stubs game larger surrounds and big caps. Or some didn't even have caps. Wright

Dany
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Aaron Cake
Administrator

Canada
6717 Posts

Posted - Oct 10 2015 :  09:58:02 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
Probably the easiest way would be to Google the part number.

Beyond that it's an issue of driving it with a set of frequencies, measuring response, and a little math:
http://sound.westhost.com/tsp.htm
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Ashirdaniel
Apprentice

India
66 Posts

Posted - Oct 12 2015 :  10:15:04 AM  Show Profile  Send Ashirdaniel an AOL message  Reply with Quote
Seems like some heavy equipment's are needed.

Dany
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audioguru
Nobel Prize Winner

Canada
4218 Posts

Posted - Oct 16 2015 :  8:38:26 PM  Show Profile  Reply with Quote
A subwoofer needs to move a lot of air so it needs to be big, 10 inches in diameter or more. I have an 18 inches subwoofer. It needs a huge enclosure and a very low resonant frequency so it can produce frequencies down to 20Hz that shakes your bones.
A woofer can be from 4 inches to 8 inches in diameter and produce frequencies down to about 80Hz.
If you do not have a subwoofer then bass boost can be added so a woofer that normally goes down to 60Hz can go down to 30Hz.
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Ashirdaniel
Apprentice

India
66 Posts

Posted - Feb 23 2016 :  11:13:12 AM  Show Profile  Send Ashirdaniel an AOL message  Reply with Quote
Mmmm thanks. But I asked it just to buy a used one from street. by the way, right now, I'm using cheap 150₹ 8" speakers. That's two dollar for a new 8" woofer. I live in india

Dany
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Ashirdaniel
Apprentice

India
66 Posts

Posted - Feb 23 2016 :  11:15:03 AM  Show Profile  Send Ashirdaniel an AOL message  Reply with Quote
Mmmm thanks. But I asked it just to buy a used one from street. by the way, right now, I'm using cheap 150₹ 8" speakers. That's two dollar for a new 8" woofer. It doesn't have part number. But sounds ok. 😉 I live in india

Dany
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audioguru
Nobel Prize Winner

Canada
4218 Posts

Posted - Feb 24 2016 :  8:46:49 PM  Show Profile  Reply with Quote
A cheap speaker usually sounds like a cheap speaker.
A cheap woofer or subwoofer will not produce low bass frequencies and a cheap tweeter will not produce high treble frequencies.
Is that what you want?
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Ashirdaniel
Apprentice

India
66 Posts

Posted - Feb 26 2016 :  10:47:49 AM  Show Profile  Send Ashirdaniel an AOL message  Reply with Quote
Nope . I brought it for my very first amplifier. I was not enough confident on my myself. So I tried out with the cheapest one.

Dany
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