QS8 explained?
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Joined: Dec 2005
Posts: 36
enthusiast
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OP
enthusiast
Joined: Dec 2005
Posts: 36 |
I just purchased 3 QS8s for my 6.1 setup. I haven’t gotten them yet and was wondering if someone could clarify for me what exactly they do in layman’s terms? I understand that they fire from 4 directions, but why would I want sound coming out of the top of the speaker? How will quadpoler speakers envelope me more than normal surrounds? I figured I have the 30 days so I went ahead an ordered them, but I would like to understand them more.
Thanks
JLunden
M60 v2 Towers / VP150 v2 Center / QS8 v2 Surrounds
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Re: QS8 explained?
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Joined: Apr 2005
Posts: 139
veteran
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veteran
Joined: Apr 2005
Posts: 139 |
They are more enveloping simply due to their design. With conventional direct-radiating speakers, the drivers all face the same direction/axis. With the Q's, you have 4 seperate directions/axes of sound coming from a single cabinet. You have the direct and reflected sound from each one of those sources adding to the overall effect. They made a huge improvement to my system over conventional bookshelf surrounds.
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Re: QS8 explained?
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Joined: Dec 2005
Posts: 36
enthusiast
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OP
enthusiast
Joined: Dec 2005
Posts: 36 |
Would you guys side mount these speakers or mount them flush to the rear wall? My seating area is against the back wall, so I can put them like 6 feet above and to the side or 6 feet above and to the wall. I will have a center rear that will be above me and flush against the wall.
-JL
M60 v2 Towers / VP150 v2 Center / QS8 v2 Surrounds
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Re: QS8 explained?
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Joined: Feb 2005
Posts: 44
buff
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buff
Joined: Feb 2005
Posts: 44 |
JLunden, I ordered a QS8 and it will get to my home tomorrow. I will have a 6.1 setup. The two surround are flushed against the wall 5 feet high and the back surround will also be flushed against the back wall. I have a thread open right now (6.1 setup). I have pics in that tread. You can see how my speakers are on the walls.
"If you buy cheap solution, be prepared to live with its limitations"
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Re: QS8 explained?
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Joined: Apr 2005
Posts: 139
veteran
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veteran
Joined: Apr 2005
Posts: 139 |
I'd say you should be fine either way. The Q's are pretty forgiving of placement, so it comes down to user's preference.
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Re: QS8 explained?
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Joined: Aug 2004
Posts: 6,379 Likes: 7
axiomite
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axiomite
Joined: Aug 2004
Posts: 6,379 Likes: 7 |
AFAIK the multidirectional sound makes a difference in two major ways :
First, it somehow makes the room seem much larger... switching between QS8 surrounds and M2 surrounds in my 13x23 room gave you a slightly creepy feeling that the walls and ceiling were closing in.
Second, in a well set up room (I don't have one yet, so I'm going on others comments) you have far fewer "gaps between the speakers", ie the sound from moving objects seems to move fluidly around without being so tied to the location of actual speakers.
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39 M5HP, M40ti, Sierra-1 LFR1100 active, ADA1500-4 and -8
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Re: QS8 explained?
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Joined: Jan 2005
Posts: 2,034
connoisseur
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connoisseur
Joined: Jan 2005
Posts: 2,034 |
You ain't helpin' none, John!!
We NEED some QS10s in the Axiom line-up!!!
(........wonder if I could take TWO pairs of M3s, and......)
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Re: QS8 explained?
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Joined: Apr 2005
Posts: 2,339
connoisseur
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connoisseur
Joined: Apr 2005
Posts: 2,339 |
We just have all kinds of suggestions don't we.
More IS better!!!
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Re: QS8 explained?
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Joined: Apr 2005
Posts: 759 Likes: 1
aficionado
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aficionado
Joined: Apr 2005
Posts: 759 Likes: 1 |
layman's terms - they rock.
I wouldn't even consider another surround speaker.
2xAA M80/VP150/VP160/QS8 4xM3/M22OW/M2OW/VP150OW/4xM3IC/4xM3OW EP500/800/HSU VTF3/SVS PB2k/SB2k/SB-12
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Re: QS8 explained?
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Joined: Jan 2002
Posts: 3,270
connoisseur
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connoisseur
Joined: Jan 2002
Posts: 3,270 |
Hi JLunden,
Here's the technical rationale for the QS8's design. Our ear/brain hearing mechanism depends on delayed lateral and vertical reflected sounds (plus the sounds that travel directly to our ears from a source) to "tell" it how big a space we are in.
Cinemas and movie auditoriums and concert halls, etc. are much, much larger than normal domestic living rooms and home theater rooms. In all of this, remember that sound travels at about 1 foot per millisecond, so in your living room, the relected sounds from the side walls and ceiling are only delayed by a few milliseconds because the room is relatively small.
In big cinemas, auditoriums and even outside, your ears are constantly receiving spatial clues provided by reflected sounds that have traveled hundreds of feet in many cases, and hence are delayed by 50 to 100 milliseconds or more. These reverberant delays tell your brain you are in a much bigger space.
In a big cinema the surrounds speakers on the side wall and rear wall are some distance from you, and distances to the ceiling and other surfaces are much greater than in your living room, so natural delays are part of the experience. Additionally, Dolby inserts digital delays into the surround signals to further "trick" your ears into believiing you are in a bigger space.
Axiom's quadpolar approach mimics what takes place in large cinemas by having drivers fire in different directions, so that when the reflected sounds reach your ears (plus the digital delay inserted by your AV receiver DSP decoder), it simulates a much larger "space" and delivers a plausible illusion that your home theater room is, in fact, an outdoor scene or a big room, or whatever the mixing engineers intend.
As I write this, I'm thinking of a scene in the The Bourne Identity, where Matt Damon is in a marsh and someone fires a shotgun (the villain?) and a flock of ducks takes off. The QS8s and the sound mix deliver an uncanny sense of space that's extremely believable in my modest living room. There are lots of other examples in different movies.
Similarly, I've often found that with some well-engineered DVD-A or SACD recordings that use the surround channels for "hall ambience" really open up into convincing replications of concert space when played back using QS8 or QS4s in the surround channels. Many CDs played through DPLII(x) or Harman's Logic7 also greatly benefit from this effect.
Regards,
Alan Lofft, Axiom Resident Expert (Retired)
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