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 16th December 2013, 07:11 PM #1 diyAudio Member   Join Date: Jul 2004 Location: Pontarlier bib calculator Hi I want to make a BIB with 215rtf supravox. I am looking for bib calculator and i don't find it, the link is broken. BIB Calculator - Bigger Is Better Loudspeaker Design Is there a problem ? Is there another link ? Thank s
 16th December 2013, 07:26 PM #2 frugal-phile(tm) diyAudio Moderator     Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 5 There is another link. Godzilla will need to check in to post it. dave __________________ community sites t-linespeakers.org, frugal-horn.com, frugal-phile.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA
 16th December 2013, 07:40 PM #3 diyAudio Member   Join Date: Jul 2004 Location: Pontarlier Thank s Is there a metric bib calculator ?
 16th December 2013, 07:41 PM #4 diyAudio Member   Join Date: Jan 2013 Location: Powell, TN Martin King includes a BIB simulation in his excellent set of math cad spread sheets. Quarter Wavelength Loudspeaker Design
 16th December 2013, 09:53 PM #5 diyAudio Member   Join Date: Jul 2004 Location: Pontarlier Can you tell if it's right metric system non metric system Fs Fs speaker Fs speaker Vas Vas (liter) Vas (cu feet)=Vas (liter) *0.035315 Qts Qts Qts Line lenght L(m)=C/2F=343.4/2F L(inch???)=13464.54/2F Folded Height L(m)/2 L(inch)/2 Vb(???) Vb(unit???)=20Vas*Qt^1.25 Vb(unit???)=20Vas*Qt^1.25 Sm Sm=????? Sm=Vb*1728/B7 ????????? Depth How do we calc Depht How do we calc Depht Width widph=Sm/depth widph=Sm/depth Z driver Z=line length*0.217 a b c depth/2 depth/2 What is Vb ? What is Vb unit in metric system and in non metric system How do we calc Sm in metric system ? What is Sm unit in metric system and in non metric system How do we calc Depht ? Z driver what is 0.217 ? Thank you for your help !!!
 17th December 2013, 02:42 AM #6 diyAudio Member   Join Date: Jun 2006 Location: Looavull I should still have the original excel spreadsheet that was on Godzillas's site. It did have a switch to change between metric and imperial. Please be patient and I will find it and post. Many others have asked for this sheet, and maybe it is time to put it back out there. Originally I had entered many of the common speakers people were using, however, that was quite some time ago and many of them are no longer available. That said, I will see if I can post a clean unlocked version. I will do my best to post this tomorrow evening. __________________ Fliping Switches, Pushing Buttons, and Turning Knobs.
 17th December 2013, 05:13 AM #7 diyAudio Member   Join Date: Jul 2004 Location: Pontarlier Great Thank s a lot.
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Join Date: Jun 2003
Location: Chamblee, Ga.
Quote:
 Originally Posted by zayne742 It did have a switch to change between metric and imperial.
Interesting! I don't remember/have one with a 'switch', just one by O'Neil with a metric conversion column: http://www.diyaudio.com/forums/attac..._gm_v2.xls.zip

GM
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 17th December 2013, 07:30 PM #9 diyAudio Member   Join Date: Jul 2004 Location: Pontarlier Thank s a lot.
 20th December 2013, 05:13 AM #10 diyAudio Member     Join Date: Nov 2005 Location: New York

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