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Old 19th January 2011, 08:41 AM   #1
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Question Looking for an Open Baffle Dipole project

Hi,

First post.

Have done a few DIY builds before (not my own designs) of speakers and amps and are fairly good with a set of power tools. I have access to a carpentry workshop and even a CNC if needed.

Am presently using a pair of AudioVector M3 Signature. Which I love by the way...

Have been checking out various DIY loudspeaker projects, and are looking for something out-of-the-ordinary. Enter Jamo R909! That is one nice looking speaker! Never had the opportunity to listen to it.

Click the image to open in full size.

I know practically next-to-nothing about the dipole technology, but figured that with some help and guidelines perhaps such a project could be carried through?

I don't have a test lab and unlimited time and resources, so unless you think there's a chance I could actually get a well sounding speaker out of it, I think I'd better forget all about it. But I would very much like to give it a shot though...

Let me know what you think. Thanks.

/G
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Old 19th January 2011, 09:09 AM   #2
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One option:
NaO
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Old 19th January 2011, 09:13 AM   #3
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They all seem to include an enclosure for the bass. The R909 does not, and I like that better.
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Old 19th January 2011, 10:09 AM   #4
Rudolf is offline Rudolf  Germany
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passive two-way OB by Martin J King

Visaton NoBox
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www.dipolplus.de
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Old 19th January 2011, 10:47 AM   #5
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Thanks for the suggestions.

Regarding the Visaton NoBox how much would I "destroy" sound/performance-wise by making a curved front instead making it look much more like the R909? I would ensure to maintain the dimensions as suggested in the design (1215mm x 520mm).
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Old 19th January 2011, 01:18 PM   #6
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Interesting: AVforum.no - Sannax Open Baffel høytallerbygging; Bildeorgie av premonterte baffler!
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Old 19th January 2011, 01:59 PM   #7
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Quote:
Originally Posted by gumleguf View Post
Thanks for the suggestions.

Regarding the Visaton NoBox how much would I "destroy" sound/performance-wise by making a curved front instead making it look much more like the R909? I would ensure to maintain the dimensions as suggested in the design (1215mm x 520mm).
It doesn't matter if You make it curved or not, there are so many other more
important factors that decide if you like the sound or not...
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Old 19th January 2011, 03:30 PM   #8
mkc is offline mkc  Denmark
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Quote:
Originally Posted by gumleguf View Post
They all seem to include an enclosure for the bass. The R909 does not, and I like that better.
I think you should take another closer look at the "Nao" site. Particular the Nao Note. The woofer section can either be dipole or cardioid.

I think you will find that the R909 is not likely in the same class as the Nao speakers or Linkwitzh Orion, for that matter.

best regards,
mkc
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Old 19th January 2011, 05:51 PM   #9
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Quote:
Originally Posted by Rudolf View Post
Visaton NoBox
I take it you have listened to the NoBox? Can you perhaps describe what to expect?
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Old 20th January 2011, 11:08 AM   #10
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Quote:
Originally Posted by gumleguf View Post
I take it you have listened to the NoBox? Can you perhaps describe what to expect?
look here: Dipolplus

Gumleguf, there's a small hifi shop in Copenhagen, nearby Sortedam Dossering, where you can listen to the wonderful Jamo R907 and R909. I dont remember the name of the shop...
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