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Isodynamic tweeter waveguide design choice
Isodynamic tweeter waveguide design choice
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Old 11th May 2017, 08:04 PM   #1
silverprout is offline silverprout  France
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Default Isodynamic tweeter waveguide design choice

Hello,
Could you say witch of these two designs seems to be the less idiot please ?

(You can click on the image in order to have the right proportions)

Design 1 :
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Click the image to open in full size.


Design 2 :
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Click the image to open in full size.
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Old 23rd May 2017, 04:32 PM   #2
Patrick Bateman is offline Patrick Bateman  United States
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I've designed and printed a bazillion waveguides, and I've generally found that oblate spheroidal produces the best polar response.

Here's how I make mine: 3D Modeling Tips and Tricks
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Old 23rd May 2017, 05:26 PM   #3
silverprout is offline silverprout  France
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Quote:
Originally Posted by Patrick Bateman View Post
I've designed and printed a bazillion waveguides, and I've generally found that oblate spheroidal produces the best polar response.

Here's how I make mine: 3D Modeling Tips and Tricks
Thanks for your answer and your tips and tricks... my first quotation for a 3D printing service is amazing
... because 3D printing is too expensive, a small WG of 8' diameter and 2' of deepness cost 200$... for a basic plastic finish with +-0.5mm of precision.
I wait for a honorable and respectable democratic offer.
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Old 23rd May 2017, 05:56 PM   #4
Patrick Bateman is offline Patrick Bateman  United States
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get yourself a printer, everyone should have one
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Old 23rd May 2017, 06:05 PM   #5
silverprout is offline silverprout  France
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Agreed... but i don't have 1200$ of pocket money these times.
Do you know how much is the median revenue income per month for a normal citizen ?

https://en.wikipedia.org/wiki/Median_income
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Last edited by silverprout; 23rd May 2017 at 06:28 PM. Reason: mistake again
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Old 23rd May 2017, 06:16 PM   #6
Patrick Bateman is offline Patrick Bateman  United States
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I'm a fan of the Monoprice printers. I have a $600 Printrbot Simple Metal but I prefer my $400 Monoprice printer. I believe they have models for under $200. I bought the $400 one because I like having a (relatively) large build volume.
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Old 23rd May 2017, 06:45 PM   #7
silverprout is offline silverprout  France
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Only 6″ x 6″ x 6″ of build aera, it's few, very few IMHO.
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Old 31st May 2017, 03:19 PM   #8
silverprout is offline silverprout  France
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FYI.

I've tried barely all possible WG and horns and they all have diffractions issues

Except the original WG profile
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