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Old 30th August 2007, 10:13 PM   #1
blasko is offline blasko  Italy
diyAudio Member
Join Date: Aug 2007
Default BIB for FE126E

I want to build the BIB for the Fostex FE126E, but I don't understand how to make the cabinet dimension.Some can help me?

BIB for FE126E/127E
L = (Line length) 97in
Zdriver = Driver 19.5" down from sealed end of cabinet
Sm = 43in^2 or 63in^2 (more bass) shown below

I want to do the "more bass" version

thank you
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Old 30th August 2007, 10:38 PM   #2
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Join Date: Oct 2001
Location: Victoria, BC, NA, Sol III
Blog Entries: 5
For the FE126 & FE127 an inverted BIB is suggested. They are mentioned in a couple threads, here is the dedicated thread.

iBIBk developement thread.

community sites,, ........ commercial site planet10-HiFi
p10-hifi forum here at diyA
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Old 31st August 2007, 04:23 PM   #3
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Join Date: Nov 2005
Location: New York
If you want to build the standard, open at the top, BIB with more bass - I can suggest these inner dimensions:

50” tall (I rounded 97 inches to 100 inches and divided in half)
Driver center down 19.5” from the top
6 inches wide x 11 inches deep (I rounded 63 inches to 66 – bigger is better)

You will have to measure the depth of the driver to make sure it will fit once the inner baffle is in place. If you need additional room I suggest simply doubling up the front baffle.



BIB for FE126E/127E
L = (Line length) 97in
Zdriver = Driver 19.5" down from sealed end of cabinet
Sm = 43in^2 or 63in^2 (more bass) shown below
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