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Old 10th April 2012, 03:12 PM   #21
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Quote:
Originally Posted by planet10 View Post
...If you are thinking of a dipole as a surround speaker, forget it. They are an HT artifact worse than the sideways MTM for centre.
Seems like a good idea to me - say your listening space doesn't allow you to place the rear/surround speakers a decent distance away, the polar pattern placing the lobes 90 degrees directly off axis from the listener seems perfect for giving one a vague sense of sounds coming from somewhere behind/to the side without annoying pinpoint localization of the source right at the speaker?
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Old 10th April 2012, 03:23 PM   #22
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Hi, out of curiosity... How did you make the curved sides?
Thanks
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Old 10th April 2012, 03:39 PM   #23
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Originally Posted by AdelaaR View Post
I've never liked the double satellite speakers either but what exactly do you mean by "sideways MTM centre", Dave?
The (now classic) mid-tweet-mid format had its origins with the D'Appolito speaker arrangement which improved dispersion and created a pseudo line source with a vertical array of drivers. People who never understood what the hell was going on with the things "intuitively" "knew" that you get better dispersion by placing the thing horizontally. Thus ruining the dispersion which isn't all that great in that plane and launching a thousand really mediocre center channels.
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Old 10th April 2012, 04:00 PM   #24
fakeout is offline fakeout  Canada
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Quote:
Originally Posted by vintvolt View Post
Hi, out of curiosity... How did you make the curved sides?
Thanks
The only way I've read you can make curved sides is to put several thin layers together and glue them together in a mold. But, I don't even know how they made the mold. ha
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Old 10th April 2012, 08:27 PM   #25
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Quote:
Originally Posted by critofur View Post
Seems like a good idea to me - say your listening space doesn't allow you to place the rear/surround speakers a decent distance away, the polar pattern placing the lobes 90 degrees directly off axis from the listener seems perfect for giving one a vague sense of sounds coming from somewhere behind/to the side without annoying pinpoint localization of the source right at the speaker?
That's how I'm using them. They do a pretty good job.

Try the scene in the Dark Knight where they're in the police van, and a machine gun rakes across it: pans right around the surround speakers.

The surround speakers are pretty much next to the sofa, one driver firing toward the sofa, one forwards. There's a decent impression of the gunfire passing around you: even if there is still a gap between each surround channel, it's far better than just a single one.

Chris
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Old 10th April 2012, 08:48 PM   #26
kctess5 is offline kctess5  United States
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Upholstered speakers for the win! Its good to see that I'm not alone
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Old 10th April 2012, 11:05 PM   #27
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Quote:
Originally Posted by Ronsonic View Post
The (now classic) mid-tweet-mid format had its origins with the D'Appolito
Joe popularized the format, but it was not the origin. I built an MTM TL that predates his paper by 8 years and a number of my clients built MTMs with Kef B200/T27, B110/T27 when i was selling those kits in the late 70s, and i doubt i was the 1st.

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Old 21st February 2013, 06:08 PM   #28
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Hi i'm going to build a simular set of speakrs and was wondering what Kind of filter you used?
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Old 23rd February 2013, 02:23 AM   #29
guangui is offline guangui  Puerto Rico
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Quote:
Originally Posted by fakeout View Post
The only way I've read you can make curved sides is to put several thin layers together and glue them together in a mold. But, I don't even know how they made the mold. ha
I would certainly like to know what technique was used. There are various, including the thin layers. Wood can also be steamed or submersed in water, then given the shape and let dry.
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Old 23rd February 2013, 03:18 AM   #30
xrk971 is offline xrk971  United States
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If you are going to cover it with upholstery or leather, the curved cabinets can easily be made with foam core - which is especially adept at forming smooth curved surfaces. Once covered you would not know the difference except for weight. I contend that the foam will sound just as good as wood.
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