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Old 18th December 2012, 11:38 AM   #431
Mark Kravchenko --- www.kravchenko-audio.com
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Whhooooo Hoooooo!
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Old 18th December 2012, 11:39 AM   #432
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Hi Jasper,

How much close up do you need?

Wachara C.
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Old 20th December 2012, 05:40 AM   #433
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Hi Wachara,

... After asking you to make a more close-up photo of your stators I realized that it might be quicker and easier if I briefly illustrated what I would suggest - and then you probably already know if you've made the stators like this (and if it's interesting to you/possible to make).

So I've attached a very simple illustration of what would be my suggestion: To round the edges of the holes in the stator in an arc-like form (on the illustration they are cut-outs of an ellipsoid) so as to reduce potential turbulence or uneven flow/transmission through the holes when the sound plays.

From the photos you've taken I can't see if the holes are already rounded ...

Personally, I believe this would be quite audible, although I haven't tried it yet. But as you might have noticed from the other thread on ESHP (ES HeadPhones) I started I will be using round wires for the stators I'm making.

Anyway, this is my suggestion.

Greetings,

Jesper
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Old 20th December 2012, 03:53 PM   #434
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Hi Jasper,

Thanks for sharing your thought. However, it's going to be extremely difficult for me to make stators like that. I doubt if the holes like that are going to make any difference in sound.

Thanks anyway.

Wachara C.
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Old 21st December 2012, 05:29 AM   #435
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Hi Wachara,

You're welcome. Hmmm... I remember you once wrote that you had a CNC machine and my thought was that maybe an ellipsoid drill of some kind could make the rounding.

But anyway - your decision of course.

Greetings,

Jesper
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Old 21st December 2012, 09:16 AM   #436
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Hi Jesper,

Unfortunately it's not that simple. As per yours design you have to work on both sides - front and back, and that adds even more difficulty.

Wachara C.
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Old 7th November 2013, 03:00 AM   #437
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How about Jacklin Float style headphones?


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Old 9th November 2013, 07:36 AM   #438
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Hi Wachara,

Thanks for the images - looks impressive I'd say your new creation ...

Can I ask you if you have compared it sound-wise with the oval version you made previously?

Looking at your material work it also makes me think that if I had the time it would be really interesting to learn to work with a CNC machine .... looks very precise your work ...

Greetings,

Jesper
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Old 9th November 2013, 12:52 PM   #439
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Hi Jesper,

If you can, you should really try to work with a CNC machine. There are just unlimited things you can make using it.

As for my newest pair of headphones, you might notice that they're a lot larger size than any of my previous ones. There're no earpads to cover your ears. They are very light and comfortable to wear. I really like them.

The sound stage is huge. However, the bass doesn't go as low as the ones with sealed earpads. But it's not that bad at all. Many of my friends who have tried them actually prefered them to my other headphones.

Wachara C.
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Old 10th November 2013, 06:03 PM   #440
Mark Kravchenko --- www.kravchenko-audio.com
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The next logical comparison would be to make a rear enclosure to see the difference in the low frequency presentation.

Very well executed engineering Wachara.

Hope they sound even partially as good as they look.

I am going to make up a few sets for myself and some friends, and now you have thinking about the larger area versus the oval pattern.

Oh how interesting audio design can be!
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