Which Speaker for Heights M2 or Qs8
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Joined: Dec 2004
Posts: 3
newbie
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OP
newbie
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I currently own two M80, VP150, two QS8 and two M2 with an SVS sub. now I have just upgraded my AVR which I use as a Pre\Pro to the Onkyo tx-nr1007. This will allow me to add Heights to my setup. I was wondering would I be better going with ceiling mounted M2's or QS8's?
Thanks for the help.
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Re: Which Speaker for Heights M2 or Qs8
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Joined: May 2002
Posts: 10,654
shareholder in the making
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shareholder in the making
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Fee, long time no see; welcome back. Since the derived height material is ambient and diffused in nature, a speaker with very wide dispersion would be more suitable. The QS4s should be plenty for that application.
-----------------------------------
Enjoy the music, not the equipment.
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Feb 2007
Posts: 602
aficionado
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aficionado
Joined: Feb 2007
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But Audyssey recommends using direct fire speakers for height. See what works best for you and let us know!
-- Denon 4520, EPIC80/500/VP180 Speakers
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Feb 2009
Posts: 3,466
connoisseur
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connoisseur
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Audyssey recommends direct radiating speakers in all locations. So if you like what your QSes do for the ambient nature of the surrounds, then they'd be even more appropriate for the totally non-directional height.
Pioneer PDP-5020FD, Marantz SR6011 Axiom M5HP, VP160HP, QS8 Sony PS4, surround backs -Chris
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Dec 2006
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connoisseur
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connoisseur
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I’ve tested QS8s and M22s as heights and the QS8s win easily. However, based on what I hear coming out of them (purely ambient stuff) I think John is correct that QS4s are more than good enough for the job.
3M80 2M22 6QS8 2M2 1EP500 Sony BDP-S590 Panny-7000 Onkyo-3007 Carada-134 Xbox Buttkicker AS-EQ1
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Nov 2008
Posts: 1,789
connoisseur
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connoisseur
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Where do you use your M2's? Are you in a 7.1 config with them in the rear, or side surround location?
My Stuff :
M80's QS8's VP150 EP800 Denon 4802 Emotiva XPA-3 Samsung BD-P3600 Sharp 65 Inch Aquos LCD
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Mar 2002
Posts: 3,749 Likes: 37
connoisseur
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connoisseur
Joined: Mar 2002
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Hello FoFum
I like the concept of the Dolby IIz 2 front L and 2 R. I followed the advice of one of our resident audio gurus and bought 2 M2s for rear surround speakers. I found them unsuited to the task. I replaced them with QS8s which work very well. I agree with JohnK and the others who recommend one of the QS speakers. I'd use QS8 or 4s as back surrounds, side surrounds and front uppers.
Personally, I also really like the Mission 77DS bipole surround speakers which I picked up from UBid years ago for $40 a pair (MSRP was $400). If any of you can find a minty pair of these at a good price they are extremely excellent surround speakers.
Last edited by 2x6spds; 03/20/10 06:38 AM.
Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Sep 2004
Posts: 11,458
shareholder in the making
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shareholder in the making
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Let's not forget that the QS4 and QS8 speakers ARE direct radiating....just in several directions.
That is, opposed to speaker designs which fire some drivers out of phase.
::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Dec 2004
Posts: 3
newbie
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OP
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I am using the M2 as rear surrounds. Thanks for the advice. now I have to talk the wife into two more speakers.
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Apr 2007
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-David
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Feb 2010
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hobbyist
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hobbyist
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Ok. I know most movies still only use 5.1. So how would getting height speakers help? Or does it do it by just repeating the sound from the fronts?
2xM22v2's, 1xVP150v2, 1xEP500v2, 2xQS8v2's
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Nov 2008
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connoisseur
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connoisseur
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Dolby works their magic to pull ambient sounds from the front channels to the height speakers. For more on how exactly they do this ask Clubneon. If anyone here know's how they do it, he does.
My Stuff :
M80's QS8's VP150 EP800 Denon 4802 Emotiva XPA-3 Samsung BD-P3600 Sharp 65 Inch Aquos LCD
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Feb 2009
Posts: 3,466
connoisseur
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connoisseur
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Uh oh, I've been called upon, yet don't know the answer. Up to Prologic IIx, Dolby's processing has been pretty straight forward. They just look at the phase/amplitude differential between a pair of speakers (the front when making 4/5.1 from 2.0, or the surrounds when making 7.1 from 5.1), and steer the out-of-phase (surround), or completely in phase but with differing amplitude (center/rear) to where it should be heard. (Prologic II did add amplitude checking to the phased extraction to create 5 channels instead of the 4 from the older Prologic.)
As for IIz, I can only guess. Once I get to hear a setup, I might be able to refine this guess a little more. But I'm guessing they're looking for similarly phased information in more than a pair of speakers. Like in the mains and the surrounds of a 5.1 signal. Something like that would mean that the sound is coming from all around the listener, and would give the impression that it's up above their head. So moving it to the height channel, would be improve that impression.
Pioneer PDP-5020FD, Marantz SR6011 Axiom M5HP, VP160HP, QS8 Sony PS4, surround backs -Chris
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Nov 2008
Posts: 1,789
connoisseur
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connoisseur
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I'd say that's about as good an answer as you're gonna get.
My Stuff :
M80's QS8's VP150 EP800 Denon 4802 Emotiva XPA-3 Samsung BD-P3600 Sharp 65 Inch Aquos LCD
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Re: Which Speaker for Heights M2 or Qs8
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Joined: May 2002
Posts: 10,654
shareholder in the making
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shareholder in the making
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Yeah, Chris; as far as is known, Dolby hasn't provided precise details as to the DPLIIz processing for the height speakers. What has been said is that the front channels in 5.1 source material aren't affected and that the side surround channels are processed. It may be that just as DPLII extracts out-of-phase material from the front channels in 2-channel sources and sends it to side surrounds, DPLIIz extracts out-of-phase material in the discrete 5.1 side channels and sends it to the height speakers. The rationale would be that the phase difference in the side channels results from the sound arriving from a different height. Of course, it may be more complex than this.
-----------------------------------
Enjoy the music, not the equipment.
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Re: Which Speaker for Heights M2 or Qs8
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Joined: Feb 2009
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connoisseur
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connoisseur
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That makes sense. Along with in-phase, but differing amplitudes still being extracted for the rear channels for people running 9.1.
Pioneer PDP-5020FD, Marantz SR6011 Axiom M5HP, VP160HP, QS8 Sony PS4, surround backs -Chris
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