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Old 10th March 2008, 02:40 AM   #1
gnugear is offline gnugear  United States
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Default Finished my BIB horns with FE168 sigmas

Spent the weekend building my BIB speakers (thanks Godzilla for the help). Very simple and easy to assemble. I've had the Fostex 168 sigmas in a spiral horn that I made out of (don't laugh) extra thick foam core and it sounded horrible. These are MUCH better! Fortunately it gave me a chance to break in the speakers so I've already got over 100 hours on them.

The speakers have deep bass, huge sound stage and better imaging than my Paradigm Signature 2s (former Stereophile class A monitors).

I do notice some coloration with the sound though. I think it's that "cupped hands" thing that I hear mentioned a lot. Almost like a "plastic" sound. Are there ways to remedy that?
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Old 10th March 2008, 02:46 AM   #2
gnugear is offline gnugear  United States
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Here's a finished pic in my mess of a 10x13 room. I'm going to listen a while before I apply a finish to the cabs.
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Old 10th March 2008, 04:07 AM   #3
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Quote:
Originally posted by gnugear
I'm going to listen a while before I apply a finish to the cabs.
Fast forward a few years... "they aren't finished yet because i couldn't bear to be without them"



dave
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Old 10th March 2008, 05:00 AM   #4
gnugear is offline gnugear  United States
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... And I forgot to thank you Dave, for answering all my questions. I came "this" close to buying the Frugal-horn flat pak but I really wanted to make use of the drivers I had ... otherwise I would have done it!
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Old 10th March 2008, 06:30 AM   #5
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Quote:
Originally posted by gnugear
... And I forgot to thank you Dave, for answering all my questions. I came "this" close to buying the Frugal-horn flat pak but I really wanted to make use of the drivers I had ... otherwise I would have done it!


Well you might still need a pair as backup so you can finish these...

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Old 10th March 2008, 03:17 PM   #6
BHD is offline BHD  United States
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I see PiL's Metal Box in the lower right hand corner... I bet Jah Wobble's bass really throbs with those.

Good stuff!
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Old 10th March 2008, 03:23 PM   #7
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Hey, What are those Marhsall amps doing in your HT room?
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Old 10th March 2008, 08:59 PM   #8
gnugear is offline gnugear  United States
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It's my triple duty room. Audio, guitars, and office. I wish I had more space but I don't.
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Old 10th March 2008, 09:21 PM   #9
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>>> Spent the weekend building my BIB speakers (thanks Godzilla for the help).

Enjoy! I think if you double up the back of the cabinet to reduce vibration you will reduce or eliminate the cupped hand sound. If you feel too much midrange is coming out the top continue to add stuffing in small amounts. Go to this website:

http://www.phys.unsw.edu.au/jw/hearing.html

If your computer is connected to your stereo you can play the test tones from 250hz down. These are the frequencies you want coming out the top of your BIB. Stuff your BIB until you reduce the frequencies above 300hz. I posted the test tone link here:

http://www.zillaspeak.com/bib-howtobuild.asp

Scroll to the bottom.

Godzilla

PS. How much better do these sound than the Stereophile Class A Paradigms?
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Old 10th March 2008, 11:50 PM   #10
gnugear is offline gnugear  United States
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Compared to the Paradigms, they image better, produce a bigger soundstage, and have deeper bass. On vocals and acoustic guitar they just shine, but on some stuff I hear that midrange coloration. I could easily live with these over the Paradigms but I'll probably hang on to them just to have something different.

They kind of remind me of electrostatics!

Thanks for the tweak suggestions, I'll try them out tonight!
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