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Multi-Way Conventional loudspeakers with crossovers

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Old 6th March 2013, 09:28 AM   #21
Juhazi is offline Juhazi  Finland
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This new NeoCD3,5 is even better, and the price is less than 100€ per unit.

The dispersion graphs are promising and there is a built-in impedance correction!

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File Type: png neocd35.png (53.4 KB, 243 views)
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Old 6th March 2013, 09:37 AM   #22
Juhazi is offline Juhazi  Finland
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This chair by Alvar Aalto is my inspiration for the tweeter tower

Click the image to open in full size.

or with wider legs

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Old 6th March 2013, 09:48 AM   #23
lolo is offline lolo  France
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Ah! of course Alvar Aalto. I am a big fan of Shigeru Ban, Alto spiritual son. Halabala is also the same vein.
I reckon a white woofer box with plain birch wood for the tweeter tower would look very good. Very natural, organic, easy to the eye.
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Old 6th March 2013, 10:30 AM   #24
Juhazi is offline Juhazi  Finland
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For the mid, seems that alla Beyma woofers of 15" have rather high distortion and ragged response.

This neodymium 12" might be the choice http://profesional.beyma.com/pdf/12MW%20NdE.pdf

Click the image to open in full size.
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Old 6th March 2013, 11:41 AM   #25
Elias is offline Elias  Finland
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Quote:
Originally Posted by Juhazi View Post
Alvar Aalto
Personally I hate him and his successor. They have done a terrible disservice for Finland's architecture. Many beautiful cities originally full off historical wooden houses has bee teared down in the name of modernism. I cannot understand how someone can see him as a sort of idol.


- Elias
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Old 6th March 2013, 11:47 AM   #26
lolo is offline lolo  France
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Is that true Elias, was it him or the war that did the damage?
And I believe he was very much against the use of concrete and glass, but favored wood. Your description seems to suit better our french Le Corbusier, who I very much dislike.
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Old 6th March 2013, 11:56 AM   #27
puppet is offline puppet  United States
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Originally Posted by Juhazi View Post
For the mid, seems that alla Beyma woofers of 15" have rather high distortion and ragged response.

This neodymium 12" might be the choice http://profesional.beyma.com/pdf/12MW%20NdE.pdf

Click the image to open in full size.
Twelves make great mid drivers.
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Old 6th March 2013, 02:01 PM   #28
Juhazi is offline Juhazi  Finland
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Alvar Aalto is an architect of whom every Finn has an opinion. And every opinion is right!

I guess that I'll get a minidsp and start learning it, also a measuring mic is needed.
4x10HD perhaps?

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Old 6th March 2013, 09:04 PM   #29
Juhazi is offline Juhazi  Finland
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Driver choices of tonight seem to settle down to this (pic)
- bass SEAS L26ROY or Peerless XXLS12" (Daytons are not in stock in Europe)
- mid Beyma 12MWNd
- tweet Fountek NeoCD3.5 pair

I think that I will order the parts soon, but I'll wait a couple of more days.
The minidsp is under investigation too
The amplifier solution is open

I'll make a test mockup first. The bass cabinet is difficult to make, perhaps glassfiber, concrete or some delicate woodwork. The mid is the most critical component of Aino gradient. The spl (no breakup!) and distortion of 12MWNd are the best I have seen so far - and it looks very sexy too!
Attached Images
File Type: png EA cart.png (52.1 KB, 27 views)
File Type: png Beyma 12MWNd spl.png (83.2 KB, 69 views)
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Last edited by Juhazi; 6th March 2013 at 09:12 PM.
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Old 7th March 2013, 09:15 AM   #30
Juhazi is offline Juhazi  Finland
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I think I'll make the bass box this way! I'll use fibre reinforced concrete for casting! They will be coated and painted of course!

The moulds could be some PVC buckets - a big one and a little smaller one

planter saucer casting - YouTube


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