Infinite box

Per · 21st November 2002, 06:33 PM

Hi everyone.

Im looking for rules and guidelines in designing infinete box (not baffels!).
Its something about small inclosures, with big speakers and some acoustic damped ports in the back of the inclosure.

Pointers, anybody....

Thanks in advance

Per.

halojoy · 21st November 2002, 06:59 PM

Quote:

Originally posted by Per
Hi everyone.

Im looking for rules and guidelines in designing infinete box (not baffels!).
Its something about small inclosures, with big speakers and some acoustic damped ports in the back of the inclosure.

Pointers, anybody....

Thanks in advance

Per.

The LOUDSPEAKER DESIGN Cookbook
by Vance Dickason

is always a recommendation, to anyone that is going into
Loudspeaker design

Valuable Knowledge!

kelticwizard · 21st November 2002, 10:44 PM

Acoustic damped ports? I wonder if another name for the Infinite Box you refer to might not be "aperiodic"?

Sometime the same enclosure is called by several names. I wonder if that is the case here.

pinkmouse · 21st November 2002, 11:29 PM

Per,

Quote:

Pointers, anybody....

Buy the Loudspeaker Design Cookbook, it is more than worth the money if you are trying to work something out.

Per · 22nd November 2002, 09:49 AM

yes, I know, I already have TLCB. But I've seen a sub, that uses 4 variovents to one 12", in a small inclosure. I was wondering if there is any special way to calculate how many vents. I have previously used variovents, but I was told that 1 12" = 2 vents, not 4.

Kind regards per.

planet10 · 27th November 2002, 04:19 AM

Required reading on these are the recent articles in audioXpress and Harley's Boffle article and his patent #434563. I have the article but haven't scanned it yet. Here is a pic from the patent doc.

dave

Per · 19th March 2003, 01:33 PM

Hi Planet 10.

Have you scanned that article yet, would appreciate if I could have a look....

Kind regards, Per.

planet10 · 19th March 2003, 05:54 PM

Quote:

Originally posted by Per
Have you scanned that article yet, would appreciate if I could have a look....

No, not yet. 1st challenge is to find the magazine with the article in it, and given the number of them i have and how they are (not) organized it is a bit of a challenge.

dave

Per · 20th March 2003, 06:32 PM

I've finally found something on the subject; from january to may 2001 "Audioexpress" released a series of articles on the subject. I need the calculation method. Would appreciate if someone could scan the above for me. Alternatively a european dealer of "Audioexpress" would also do....(Or someone would sell me the backissues 2001

)

Thanks, Per.

21st November 2002, 06:33 PM	#1
Per diyAudio Member Join Date: Aug 2001 Location: Herning, Denmark	Infinite box Hi everyone. Im looking for rules and guidelines in designing infinete box (not baffels!). Its something about small inclosures, with big speakers and some acoustic damped ports in the back of the inclosure. Pointers, anybody.... Thanks in advance Per.

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21st November 2002, 10:44 PM	#3
kelticwizard diyAudio Member Join Date: Sep 2001 Location: Connecticut, The Nutmeg State	Acoustic damped ports? I wonder if another name for the Infinite Box you refer to might not be "aperiodic"? Sometime the same enclosure is called by several names. I wonder if that is the case here.

22nd November 2002, 09:49 AM	#5
Per diyAudio Member Join Date: Aug 2001 Location: Herning, Denmark	yes, I know, I already have TLCB. But I've seen a sub, that uses 4 variovents to one 12", in a small inclosure. I was wondering if there is any special way to calculate how many vents. I have previously used variovents, but I was told that 1 12" = 2 vents, not 4. Kind regards per.

19th March 2003, 01:33 PM	#7
Per diyAudio Member Join Date: Aug 2001 Location: Herning, Denmark	Hi Planet 10. Have you scanned that article yet, would appreciate if I could have a look.... Kind regards, Per.

20th March 2003, 06:32 PM	#9
Per diyAudio Member Join Date: Aug 2001 Location: Herning, Denmark	I've finally found something on the subject; from january to may 2001 "Audioexpress" released a series of articles on the subject. I need the calculation method. Would appreciate if someone could scan the above for me. Alternatively a european dealer of "Audioexpress" would also do....(Or someone would sell me the backissues 2001 ) Thanks, Per.

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