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Old 16th September 2011, 09:17 PM   #31
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Interesting. Everyone has his own techniques. I personally insert the top and bottom. I use them to assure that the entire structure is square.

Bob
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Old 16th September 2011, 09:22 PM   #32
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No problem guys. It was just the engineer in me coming out
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Old 16th September 2011, 09:36 PM   #33
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Originally Posted by Bob Brines View Post
Interesting. Everyone has his own techniques. I personally insert the top and bottom. I use them to assure that the entire structure is square.

Bob
well, assuming parts are cut right size and square in the first place ... smilie
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Old 18th September 2011, 02:24 PM   #34
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Any opinions as to sonically how these would compare to the FH MK3? I currently have a pair of FE126Ens (not in a horn) and had been considering building the MK3 but now I'm thinking about this one as it seems to have been designed specifically for the FE126.
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Old 18th September 2011, 06:01 PM   #35
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No direct comparisons have been made, but i have a pair of both here (not enuff drivers ready to listen to them simultaneously)

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Old 19th September 2011, 06:11 PM   #36
GM is offline GM  United States
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well, assuming parts are cut right size and square in the first place ... smilie
Still.......... I inset top/bottom, two sides since it yields the strongest, ergo most rigid, basic butt joint box.

GM
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Old 22nd December 2011, 02:35 PM   #37
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A modern interpretation of a classic. Another flat-pak to increase diyers choice.

Fostex BK-12m Folded Horn Kit - Pair: Madisound Speaker Store

Click the image to open in full size.

dave
This looks kind of like a scaled up and slightly simplified Woden Design Sperrin for the Fostex FE126En driver; a very clean looking design.
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Old 22nd December 2011, 04:46 PM   #38
chrisb is offline chrisb  Canada
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not so much really, there are some fundamental differences, besides the stepped mouth reflector :

Sperrin:

Click the image to open in full size.

BK12:

Click the image to open in full size.
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Old 22nd December 2011, 08:30 PM   #39
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How does the sound of these compare with the Fostex recommended back loaded horn enclosure for the FE126En driver? I have heard rumors that people actually burn these Fostex enclosures to keep warm whilst listening to their ipods with very cheap headphones.
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Old 22nd December 2011, 09:44 PM   #40
chrisb is offline chrisb  Canada
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How does the sound of these compare with the Fostex recommended back loaded horn enclosure for the FE126En driver? I have heard rumors that people actually burn these Fostex enclosures to keep warm whilst listening to their ipods with very cheap headphones.

if you're talking about this one:


Click the image to open in full size.

I have heard these, and can think of at least 4 DIY/ public domain designs ( the FH3, modified Buschhorn Mk I not II, Woden Valiant, and Ron Clarke A126) and one commercial design (Hornshoppe Horn) that outperform it in every possible way.

I have built or heard all of the above named designs, except the Sperrin. You can use your favorite colorful language, but simply put, I'd call this one of Fostex's very poor enclosure designs, and certainly does not demonstrate the driver's potential.
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