Interesting. I wonder how good they are in the real world?
http://www.reghardware.co.uk/2006/09/15/jvc_pulsating_sphere_speakers/
http://www.reghardware.co.uk/2006/09/15/jvc_pulsating_sphere_speakers/
I bet that they don't sound so great. Each "sphere" is 10cm in diameter, and has 11(!) drivers in it. So these would have to be probably very tiny drivers like those found in laptops (no bass at all). It's typical of JVC, or any other large consumer electronics company, to take a good idea and trash it.
If I used this idea, I would use something like Seas 17cm coax drivers in a much larger "sphere". That would be much nicer.
If I used this idea, I would use something like Seas 17cm coax drivers in a much larger "sphere". That would be much nicer.
Hi, Kris Metaverso of US enclosure used to make some quitar speakers that look similar. Here is a URl for the site
Go down the pages to see the spheres with multidrivers
A University was the client initially I believe
Regards
AnthonyPT
http://www.usenclosure.com/TESTIMONIALS/Customer_Testimonials.html
http://www.usenclosure.com/IMAGE GALLERYS/picturegallery1.htm
Go down the pages to see the spheres with multidrivers
A University was the client initially I believe
Regards
AnthonyPT
http://www.usenclosure.com/TESTIMONIALS/Customer_Testimonials.html
http://www.usenclosure.com/IMAGE GALLERYS/picturegallery1.htm
HI
Here is another site o these type of speakers
http://www.music.columbia.edu/~dan/...Columbia University / Princeton Universities"
Big long URL
If it fails try Googling
"Guitar speakers Columbia University / Princeton Universities"
Enjoy
AnthonyPT
Here is another site o these type of speakers
http://www.music.columbia.edu/~dan/...Columbia University / Princeton Universities"
Big long URL
If it fails try Googling
"Guitar speakers Columbia University / Princeton Universities"
Enjoy
AnthonyPT
I must admit, dodecahedral speakers rank fairly high on the cool scale for basic shapes, but they're nothing new in the audio world.
Here's a picture of my Design Acoustics D-12s:
Those were built in 1973, hence the groovy blue. They're a fair bit larger than the other units mentioned being 2' in diameter. The solution George Sioles (the designer) took to solve the bass problem was to build these as three-ways, with a 10" long-throw CTS woofer (units were specially chosen for a Fs of 10Hz) pointing down in a ported arrangement.
With dodecahedrons, as with most omnidirectionals, you end up listening to the room, which can be good or bad.
- JP
Here's a picture of my Design Acoustics D-12s:
Those were built in 1973, hence the groovy blue. They're a fair bit larger than the other units mentioned being 2' in diameter. The solution George Sioles (the designer) took to solve the bass problem was to build these as three-ways, with a 10" long-throw CTS woofer (units were specially chosen for a Fs of 10Hz) pointing down in a ported arrangement.
With dodecahedrons, as with most omnidirectionals, you end up listening to the room, which can be good or bad.
- JP
Not a pulsating sphere in the true sense of the word,
but a marvellous piece of engineering:
http://www.cabasse.com/english/acoustique/scs.php
regards,
Klaas
but a marvellous piece of engineering:
http://www.cabasse.com/english/acoustique/scs.php
regards,
Klaas
kvholio said:Not a pulsating sphere in the true sense of the word,
but a marvellous piece of engineering:
What's marvellous about it? - nothing I can see.
Good polar response is the hallmark of any coaxial, and people have been making coaxials since at least the 1930's. Even the concentric ring thing has been done before, numerous times.
Ron E said:
What's marvellous about it? - nothing I can see.
Nothing I can see either but very likely something we could hear... be it just because of the manufacturer's reputation for uncompromising designs.
I find it an econonomically very reasonable decision to develop something like that, given the hype for Grundig Audiorama speakers. But I find the old Audioramas were more beautyful.
http://search.ebay.de/audiorama
http://search.ebay.de/audiorama
Cal Weldon said:Pulsating Sphere?
Dr. Amar G. Bose would be impressed.
Bose. Pulsate Your Lifestyle
This type of speaker is frequently used for measurement of room acoustics.
That was the only statement within this thread so far pointing to the most common use of this topology:
http://www.bksv.com/pdf/Bp1689.pdf
Regards
Charles
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