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post #31 of 83 Old 12-31-2016, 08:45 AM
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Originally Posted by jororaitchev View Post
Hello,
the first project of my DIY loudspeakers i have served Ti6k- JBL. My first contact with
them, was in distant 2005.
I started working with them in 2009 and finished in 2012.
The loudspeakers are "SEAS"- Excel / Tw-1”, Mw-5”for center 2х 5.5”,Bass-8,5”/ and cross-over parts- "Intertechnik".
Have are some pictures, if there is interest, i will continue.
Regards!
I thought I was the only one that was a tortured wood worker! I've done many a 4-sided pyramid, 5-sided pyramid, asymmetrical pyramids and the last 'fancy' pair were a little less complicated than yours (round) but had hand-laid veneers, inlaid walnut burls, inlaid brass etc! I swore in my wrath that I would never do that again! Not many people realize, looking at those, what it actually took to do it! I do, and Bravo! they are Hors catégorie!! Unfortunately, there is no upgrade for those!!!
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post #32 of 83 Old 12-31-2016, 09:32 AM - Thread Starter
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Тhere's a catch, everything is done manually without the help of copiers.
Happy welcoming of the New Year!
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post #33 of 83 Old 01-13-2017, 03:58 AM - Thread Starter
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Stands for rear speakers:
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post #34 of 83 Old 02-01-2017, 12:31 AM - Thread Starter
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Initial stage of the project for rear-speakers;
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post #35 of 83 Old 02-01-2017, 08:35 AM
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Joro, this is definitely not an "everyday" build. They go way beyond the simple boxes that most of us make, and are very interesting to follow along.
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post #36 of 83 Old 02-02-2017, 12:06 AM - Thread Starter
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Originally Posted by OJ Bartley View Post
Joro, this is definitely not an "everyday" build. They go way beyond the simple boxes that most of us make, and are very interesting to follow along.
Thanks for the kind words and evaluation of my work!
Regards,
Joro
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post #37 of 83 Old 02-09-2017, 12:43 AM - Thread Starter
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a few more photos;
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post #38 of 83 Old 02-09-2017, 05:53 AM
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Dude.... These are works of art....
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post #39 of 83 Old 02-09-2017, 08:06 AM
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Yeah that is unreal, I can only imagine how many hours of time that would take in planning/design let alone execution. Impressive
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post #40 of 83 Old 02-10-2017, 09:11 AM - Thread Starter
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Dude.... These are works of art....
Thanks!
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post #41 of 83 Old 02-10-2017, 09:22 AM - Thread Starter
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The situation is not so terrible. Since the beginning of the project to date we are talking about 180 hours.
Thanks!
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post #42 of 83 Old 02-27-2017, 06:50 AM - Thread Starter
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and more photos;
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post #43 of 83 Old 03-12-2017, 12:22 PM - Thread Starter
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Do not forget acoustics ....
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post #44 of 83 Old 03-12-2017, 06:43 PM
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can't wait to see your subwoofer/s !!!

BenQ HT1070 . Da-Lite HP 2.8 119"
ULTIMAX 18-22, 14cf ported, x2. 6000DSP.
XPA-3, PIONEER VSX-01TXH, SWANS 6.1 & C3
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post #45 of 83 Old 03-14-2017, 02:26 AM - Thread Starter
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can't wait to see your subwoofer/s !!!
You'll have to disappoint you, my project is without subwofer!
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post #46 of 83 Old 04-04-2017, 07:12 AM - Thread Starter
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little progress in the project ;
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post #47 of 83 Old 04-04-2017, 09:37 AM
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Very nice work.

I often describe to people about much of the fascination with wooden boats being the skeleton. The brief time of exposure as a form of the art and very few people ever know beyond the skin. And then it is gone. Yes, we have photos but it is not the same.
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post #48 of 83 Old 04-05-2017, 04:47 AM - Thread Starter
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Very nice work.

I often describe to people about much of the fascination with wooden boats being the skeleton. The brief time of exposure as a form of the art and very few people ever know beyond the skin. And then it is gone. Yes, we have photos but it is not the same.
Thank you !
I will also have only pictures from this project , has already are sold.
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post #49 of 83 Old 04-12-2017, 05:00 AM - Thread Starter
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Аnother small step in my project;
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post #50 of 83 Old 04-12-2017, 11:50 AM
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Superb craftsmanship! And I admire the creativity!
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post #51 of 83 Old 04-12-2017, 12:18 PM - Thread Starter
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Superb craftsmanship! And I admire the creativity!
Тhank you!
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post #52 of 83 Old 04-26-2017, 06:58 AM - Thread Starter
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An interesting situation, nobody asked me what happened to the column volume in such ventilation! How will we calculate the volume in this complex form of ventilation?
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post #53 of 83 Old 04-26-2017, 01:14 PM
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An interesting situation, nobody asked me what happened to the column volume in such ventilation! How will we calculate the volume in this complex form of ventilation?
The calculus

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post #54 of 83 Old 04-28-2017, 12:50 AM - Thread Starter
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The calculus
Assuming I use a program (CAD /,It will take a lot of time to input data.
The making every detail is unique, It is normal to have differences between them.
When assembling the structure, i do extra work in the interior of column, which changes volume.
It's clear that the software will not help me,mathematics - as well.
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post #55 of 83 Old 04-28-2017, 03:50 AM
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It's clear that the mathematics will help me.
Fixed

I can't tell what shape it is when looked at from the top, but actually a calculus like approach would be pretty simple just done by hand. If the top profile was circular, then you approximate the volume by adding the volume of a stack of discs of varying diameter.



If the profile is elliptical then you use a stack of ellipses to approximate. This would be more dicey due to the elliptical formula though. I would then come up with a formula for the area of each slice based on something simpler to measure like the front to back depth. You could do this by using the elliptical formula once and relating it to the depth.

I would just use 1/2" tall slices to approximate, and add 1/2 (or so) the volume of your braces.

Any approach you take is going to be approximate. Are they sealed or vented? If sealed don't worry about it. If vented allow for the port length to be varied and measure them and adjust port as necessary.


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post #56 of 83 Old 04-28-2017, 05:19 AM - Thread Starter
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Thank you, thank you very much!
All this, as a labor on your part to post is well known to me ( I am an electric engineer).
Maybe you did not pay attention, after assembling, I am doing extra processing in volume loss and it can not be calculated ,since accurate measurements can not be made after assembly.

Quote:
"....Any approach you take is going to be approximate...."

If you were living in Bulgaria, i would have made a bet train cistern with Bulgarian beer/ could be wine ,but I'm not such a person /, my way is extremely precise and simple - with minimal involvement of elementary mathematics!
If you want this is my address; [email protected] ,write me and I will give you the address of DYA in Bulgaria, there more than two years ago I explained the method.
Joro
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post #57 of 83 Old 04-28-2017, 07:03 AM
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Interesting! Does your method easily calculate the displaced volume of the drivers themselves? That would be handy

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post #58 of 83 Old 04-28-2017, 07:37 AM - Thread Starter
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Interesting! Does your method easily calculate the displaced volume of the drivers themselves? That would be handy

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If i could all of this, where would I be? Measuring the volume displaced by the speakers is the easiest part.
I apologize for some kind of "Enigma", but I want to show the measurement with photo material.
For this I have to assemble everything, and this will happen soon.
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post #59 of 83 Old 04-28-2017, 08:04 AM
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little progress in the project ;
Luv the curve's .

DIY , Ikea Style
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post #60 of 83 Old 04-29-2017, 02:23 PM
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If you wanted actually measure, after completion, or taping on something as an outer skin, you could fill it with something granular and low density (cat litter maybe), and then measure its volume.

Why is more than an approximate volume necessary?

Noah
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