BIB for FE168ESigma
L = (Line length) 128in
Zdriver = Driver 25.5" down from sealed end of cabinet
Sm = 74.25in^2
*Frequency response below is for this BIB

BIB for FE168ESigma - Revised for better performance
L = (Line length) 138"
Zdriver = Driver 30" down from sealed end of cabinet
Sm = 74.25"^2

 

  

 

BIB for FE103E/107E
L = (Line length) 85in
Zdriver = Driver 17" down from sealed end of cabinet
Sm = 33in^2 or 49in^2 (more bass) shown below

 

Fostex FF125K
L = (Line length) 100"
Zdriver = Driver 20" down from sealed end of cabinet
Sm = 45"^2

 

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

 

BIB for FE166E
L = (Line length) 136in
Zdriver = Driver 27.5" down from sealed end of cabinet
Sm = 87.75in^2

 

BIB for FE167E
L = (Line length) 136in
Zdriver = Driver 27.5" down from sealed end of cabinet
Sm = 87.75in^2

BIB for FE166ES-R
L = (Line length) 136in
Zdriver = Driver 27.5" down from sealed end of cabinet
Sm = 87.75in^2

BIB for FF165K - 136 Line
L = (Line length) 136in
Zdriver = Driver 27.25" down from sealed end of cabinet
Sm = 88.125in^2

BIB for FF165K - 169.5 Line
L = (Line length) 169.5in
Zdriver = Driver 34" down from sealed end of cabinet
Sm = 88.125in^2

 
BIB for FF165K - 136 Line

BIB for FF165K - 169.5 Line

 

BIB for FE168S - old style with wizzer
L = (Line length) 113"
Zdriver = Driver 22.5" down from sealed end of cabinet
Sm = 74.25"^2
 

 

 

Fostex FE206E
L = (Line length) 174"
Zdriver = Driver 35" down from sealed end of cabinet
Sm = 133.875"^2
*Frequency response below is for this BIB

Fostex FE206E - Shortened BIB
L = (Line length) 140"
Zdriver = Driver 28.5" down from sealed end of cabinet
Sm = 133.875"^2

 

Same Pipe with FE207E

Fostex FE206ES-R
L = (Line length) 161.5"
Zdriver = Driver 32.5" down from sealed end of cabinet
Sm = 139.125"^2

 

Fostex FF225K
L = (Line length) 178"
Zdriver = Driver 35.75" down from sealed end of cabinet
Sm = 126"^2

 

 

 

 Fostex FE108E Sigma
L = (Line length) 88"
Zdriver = Driver 17.5" down from sealed end of cabinet
Sm = 33"^2
 

Fostex FX120 and F120a
L = (Line length) 120"
Zdriver = Driver 24" down from sealed end of cabinet
Sm = 50"^2
   
 
 

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