zigmahornet design for Fostex 126E - diyAudio
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Old 29th June 2010, 10:20 AM   #1
same64 is offline same64  Australia
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Default zigmahornet design for Fostex 126E

Hi guys.
I like zigmahornet enclosure but no idea how much bigger should i build.
It was build for smaller driver.
But i,ve red somewhere that goes well with 126e.
can someone give me proper dimensions?
Thats my first broject..

thanks in advance.
best regards
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Old 29th June 2010, 10:35 AM   #2
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It was originally designed for the evergreen Fostex 103 series drivers, and TBH, isn't all that distinguished, other than the fact that the exceptionally thin front baffle does mean imaging is good insofar as a recording allows it to be. You'd need a new design of this type from scratch for the 126, which really does prefer to be in a back-horn, if you wanted to optimise things as far as possible.
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Old 29th June 2010, 10:46 AM   #3
same64 is offline same64  Australia
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Default hi

thanks for replay..
Well that's my first attempt to do fullrange speakers.
Im trying to learn as much is possible here.
I though i will do something like that first .looks very simple to build.
Then maybe later on try something more advance.
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Old 29th June 2010, 02:04 PM   #4
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Same64,

Have you heard the FE126 yet? Do you already own a pair?

If you have not heard / own a pair I would recommend you try to listen to them before purchase.

To repeat what Scott said...

If you wanted to put them in a "Zigmahornet like" cabinet then it would be a
new design, the Zigmahornet was designed for the FE103 Sigma, which was discontinued many years ago.
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Old 29th June 2010, 03:09 PM   #5
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It would also, as noted, be a new design for a driver that fundamentally isn't very happy with such loads.
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Old 29th June 2010, 04:36 PM   #6
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As a 1st project, FE126En in a Zigma-like enclosure would not be that auspicious a start. Even with the proper driver, the Zigma produces less performance than some much less resource intensive speakers, they even produce more bass. With something like FE126En which needs some trickery to lift the low Q bass up to the level of the midrange bass would be woefully shy (ie a horn). You'd likely be better just popping them into a sealed box and add a woofer per side.

Ropies Solo 103 are an example of something better for 103. And jury is still out on whether this box will work with new FE103En.

Click the image to open in full size.

What amplifier do you have? Choice of driver should be influenced by this.

If you want to have a good 1st experience, and have something relatively simple to build, there are other drivers to consider (with discontinuation of FE127e (which i have some of the last stocks), very soon none of them will be Fostex )

dave
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Old 29th June 2010, 07:15 PM   #7
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well, FWIW, I heard this pair of Ziggies at the VSAC2008 Show (with Dave Merrill's 4" driver)

Click the image to open in full size.

(photos courtesy of 6moons)

while they do image very well indeed, to be frank they absolutely need bass assistance, and even then suffered from minor midrange colorations due to very shallow / narrow CSA as well as rather a lot of midbass ripple

The 6V6 amp by Scott of Sterling Audio was a visually gorgeous build and quite possibly responsible for more than a bit of whatever degree of magic the Ziggies delivered

Click the image to open in full size.
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Old 30th June 2010, 12:21 PM   #8
same64 is offline same64  Australia
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Default thanks

Thanks guys.
So what design would you recommend?
Looks like zigmahornet is not a good idea.
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Old 30th June 2010, 12:28 PM   #9
same64 is offline same64  Australia
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Default hi

Well to late now .I already bought the drivers.
So would have to go ahead with it.
As for amp i do have 813 tube amp and couple of t-amps .
I was actualy thinking using them with t-amp.
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Old 30th June 2010, 01:44 PM   #10
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Perhaps a BIB. There were several designs on zillaspeak.com but the site appears to be done at present. Perhaps someone reading this will have the plans for the 126 BIB available to share.
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