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Hayden 21st February 2006 12:39 PM

finding out specifications
How do I find out the specifications of a subwoofer when it only comes with basically nothing?

richie00boy 21st February 2006 12:57 PM

You can measure Thiele-Small parameters yourself.

enter 21st February 2006 02:12 PM

You can find the T/S parameters by useing a proper software and a good microphone connected to your soundcard.Although this is not so simple i think it's worth spending some time.I havent yet deal with it so i can't tell you detailes haw to do this if you want.I am planing to learn more when i find the free time.

Regards George

richie00boy 21st February 2006 02:29 PM

You don't need a mic to measure Thiele-Small parameters.

enter 21st February 2006 02:38 PM

I know it can be done without a mic but it can be done as i mentioned above.

richie00boy 21st February 2006 02:49 PM

No Theile-Small parameters do not require a mic at all. However, a mic can be useful for measuring other stuff :)

enter 21st February 2006 03:57 PM

This is what i am talking about :

I am not an expert at this. If i am mistaken pls correct me :)

simon5 21st February 2006 04:25 PM

Here's the non-mic technique...

richie00boy 21st February 2006 05:52 PM


Originally posted by enter
This is what i am talking about :

I am not an expert at this. If i am mistaken pls correct me :)

Yes that's exactly the sort of tests I'm on about. Now if you can show me where it uses a mic on that page I'll buy you a milkshake ;)

crippledchicken 21st February 2006 11:14 PM


Originally posted by simon5
Here's the non-mic technique...

hi simon5, do you know if the corrected, T/S Paramaters for the Atlas 12 have been posted any where? i'd sure like to know what they are if so as i'm wanting to build a new vented enclosure for mine but, i can't seem to find any sites where they have been remeasured. parts express has a tester but, they are a little out of my price range. crippledchicken


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