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Old 29th November 2013, 06:40 PM   #31
sannax is offline sannax  Norway
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Very Nice, Andersbr!! Just what I am looking for. What is your max for XYZ on this machine?
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Old 29th November 2013, 06:57 PM   #32
Eldam is offline Eldam  France
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Location: At home, sweet sound home...
You maybe could try to print the "flower organic horn" by JMLC... don't know if it's free or patented !

I like too the japanese simplicity of the paper horn... asking myself about strengh and wave lenght of sound...are they proof (paper, or do they radiate a little by their external side (damping ?) !!!!

If damping of internal of horns are important, we can imagine a bath of synthetic latex for the 15 dollars 3D print horn ! Or of course red fish open reticulated foam for aquarium...

Cause of the CD and bass, horns system > 100 hz is too expensive for me...
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Old 29th November 2013, 07:25 PM   #33
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Hi Sannax!
The build volume is a cylinder. 45cm in diameter, 45cm high.
The printer can build a little bit outside of this cylinder as long as the printer head stays clear of the three vertical towers.
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Old 29th November 2013, 08:32 PM   #34
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Eldam & others:

Owning or having access to a 3d printer is nice and a great new technology that will evolve over time. Most are small and still fairly expensive. Some people have actually made a working gun using a 3d printer !!!!!

A horn system can get expensive but you can do like I did and buy the drivers and horns/waveguides a piece at a time as your budget allows. I made my mid bass horns and it was the best time/money investment I ever spent in audio. You have to look at this as long term gratification. Buying many different speaker systems over time can be very expensive.

When you look at Physics aspect of speakers NO cone driver can keep up with the speed and control of a good compression driver due to the very low moving mass and powerful motor of the compression driver. Most good compression drivers have flat frequency and impedance curves which makes them easy to drive.

Joe
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Old 29th November 2013, 08:58 PM   #35
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Quote:
Originally Posted by andersbr View Post
Hello.
--First post!--

I'm 3d printing a horn right now.
It is the driver/throat adapter for a conical Synergy horn.
I am printing it just for fun to see how it measures vs. hornresp simulations.
I think it will be finished in aboud 10 hours or so..
you can see the printing live on andersbr on USTREAM: . Design

The printer is homemade and has a build volume of 45cm diameter/45 cm height.
The printer cost around 1000usd to build.

Cheers!
Anders
Now how cool is that? That looks like it could make some pretty good sized parts.
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Old 29th November 2013, 09:25 PM   #36
sannax is offline sannax  Norway
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Quote:
Originally Posted by andersbr View Post
Hi Sannax!
The build volume is a cylinder. 45cm in diameter, 45cm high.
The printer can build a little bit outside of this cylinder as long as the printer head stays clear of the three vertical towers.
Very nice! If there were a 3D printer that could build out to 60cm, one could have built some JMLC-300 Iwata horns. That would be something! The smaller ones like the JMLC-600, I guess you could build with this machine. What the future brings
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Old 29th November 2013, 09:25 PM   #37
Eldam is offline Eldam  France
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Not false Joe.

For me it's one pair every 7 years, I begann at 15... i'm late cause now I'm 44 !

Here in france with Hiraga and others which wrote a lot before Internet with printpapers, Horns are used for a long time like in USA, GB & Japan of course. many spent their life with bad results, now we have informatic XO, Internet, the world is better because a lot of shares between whom of all countries who can have the ressources for it.

But because there are slighty more people who can buy, prices are ridiculous always too high. Don't talk about artisans, but most of brands.

People here who share & makes GB are appreciate. thanks for that.

by the way can't spent more 2000 euros for a pair. Complete speakers horns are too expensive although the great efforts here (Seos and others...). There is the DIY way, but sometimes it's expensive too !

Not really sure a tiny plastic horn and a cheap CD can be better than a TP-150 H even if it is orange and apple ! I want just avoid the worm in the bader fruit into my market!

Well, No "omlette sans casser des oeufs" !

Last edited by Eldam; 29th November 2013 at 09:29 PM.
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Old 30th November 2013, 12:07 PM   #38
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Quote:
Originally Posted by hottattoo View Post
Eldam & others:

Owning or having access to a 3d printer is nice and a great new technology that will evolve over time. Most are small and still fairly expensive. Some people have actually made a working gun using a 3d printer !!!!!
Having access to a 3d printer is nice and a great new technology that also will evolve over time, I'm sure of that. And there are small cheaper 3D CAD/CAM machines that you can make at home DIY for +/- 1K usd.
The price at this moment for metal sintering 3D printers (CAD-DMLS) from the likes "Solid Concepts" (saw interview on TV this week) is between 600K - 1 million usd. (You can choose between a diy part?! or a Veyron!...) At the same time a MOLD for the manufacturing process of a few hundreds/thousands PARTS can be also 10K-100K usd. So this is the type of money involved in the industry right now outside diy.
Anyway you have now access time to a factory CADCAM paying by the hour. You can ask/pay for 1 PART or a hundred, your choice. The money for the process/design/man-hours gets diluted if you solicit for more than one from the same mold.
Of course there are also plastic guns that you use only once... and cheaper processes.
Solid Concepts - Direct Metal Laser Sintering (DMLS) Technology - YouTube

Besides the plastic parts (3D-CAD) at the moment or the Plastic Injection Molding for this purpose, I find the aluminum cast (Sand Cast) more interesting for applications of any size at home or at the workshop (manufacture or university). Talk is cheap...
Metal Casting: A Sand Casting Manual for the Small Foundry, Vol. 1: Stephen D. Chastain: 9780970220325: Amazon.com: Books
Sand Casting - INTRODUCTION Philip White & jenny dunseath - YouTube
Metal Casting: Sand Moulds (excerpt) - YouTube
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Old 16th December 2013, 06:38 PM   #39
JZatopa is offline JZatopa  United States
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I started another post discussing this same topic. I am not a 3d molder but if someone has a 3d model of a horn, I would be happy to try printing it out.
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