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If you are looking for the best speakers for your heavy metal these Granite Speakers would not be the correct selection, but if you need some speakers to blast your hard rock music then read on. "Box dimensions 220 x 350 x 250 mm. Box material 20 mm thick black granite (Nero Assoluto). Weight 35 kg. |
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January 10th, 2009
Reminds of the concrete speaker boxes. http://propirate.net/betonboxen/
January 11th, 2009
How’s the granite take the internal vibration? I thought the reason you used wood was for just that reason? Not that these aren’t cool in a big way though.
January 11th, 2009
Wood is used because it’s cheap, easy to work with and lighter. The reason to use granite (or concrete in my previous post) is that it’s dense. Most speaker enclosures are made with MDF because of the density of the material. The density equate to the amount of bulge or bow that would happen with with lower frequencies. If a box bows or bulges, then the lower frequencies will not reproduce as well and will end up sounding “muddy”. Also speaker boxes are also usually filled with Fiber Glass or poly stuffing to help with that issue.
January 11th, 2009
For hard rock music … cute!
@ellisgl thanks for the link.
January 11th, 2009
These look beutiful! Bet they’re a pain to move around, though.
January 11th, 2009
@ellisgl know of any English speaking people who have made these? Interesting they mini rebar inside… concrete can be pretty brittle. Another reason I think MDF is used is because it has a homogeneous composition, so it has more consistent properties since it isn’t as affected by temperature and humidity.
January 12th, 2009
A lot of work has gone into it, and the end result is awesome. Though some weels would have helped. Still, no chance of them being stolen.
January 12th, 2009
@Gio: No problem. I would love to make a set of concrete speakers. Of course living in an apartment on the second floor would totally limit me on moving them.
@Fiska: Use google translate or babelfish. As for someone having done the same thing that speaks/writes english, I have not seen any. Actually, MDF is horrible with humidity from my past experiences. It acts like a big sponge if in a humid climate more so than like plywood, but plywood tends to bow/bulge easily.
On a side note, I would love make some electro-static speakers.
http://members.home.nl/p.vanassouw/
http://sound.westhost.com/project105.htm
http://www.amasci.com/esloud/eslhwto.html
My dad purchased a pair of old RadioShack electro static speakers and they sound awesome (well nothing compared to a pair of Martin Logans..).
January 13th, 2009
Thanks for the great links ellisgl. I am not sure why electrostatic speakers never took off? I guess it might have been the size. Or were they not as good as planer speakers (which never really took off either anyway).
January 30th, 2009
Very interesting post you wrote. Glad I have stumbled upon it. Cheers!
February 12th, 2009
Nice Konig granite blade. The best in the stone fabrication industry!! Ive seen curved speakers made from Ceaserstone, which is a man made material composed of 93% quartz and 7% resin. They sound fantastic.
September 1st, 2009
[...] Rock Radio would be a good match for the Granite Speakers that we saw before. What would be real cool would be a full set of components that were encased in [...]
September 1st, 2009
[...] Rock Radio would be a good match for the Granite Speakers that we saw before. What would be real cool would be a full set of components that were encased in [...]
January 17th, 2011
Just in the event anyone is interested, I am a stonemason who just happens to have made a pair of floor standing four way speakers. They have 22 carat gold pressurized domed tweeters. Two five inch mid range carbon fibre drivers, one eight inch base driver.
They sound awesome
Any one interested in purchasing a pair should send me specifications via e-mail