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#10111 - 04/18/03 12:37 PM Re: M80ti vs Klipsch RF7 vs Polk RTi150, LSi15
theaterdoc Offline
frequent flier

Registered: 04/16/03
Posts: 15
Loc: CT, USA
Hi, Sushi--

I don't think I ever thanked you for your thoughtful comments--much appreciated!

theaterdoc

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#10112 - 04/18/03 12:42 PM Re: M80ti vs Klipsch RF7 vs Polk RTi150, LSi15
theaterdoc Offline
frequent flier

Registered: 04/16/03
Posts: 15
Loc: CT, USA
Hi, Pinoy--

Thanks for the feedback. Just curious--did you consider the lack of THX certification when you got your Denon receiver?

theaterdoc

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#10113 - 04/18/03 12:57 PM Re: M80ti vs Klipsch RF7 vs Polk RTi150, LSi15
theaterdoc Offline
frequent flier

Registered: 04/16/03
Posts: 15
Loc: CT, USA
Hi, Chesseroo--

Hmmm.......good analogy. So why do I feel so un-qualified? I guess learning the intricacies of home theater is no different from learning anything else: there's a curve, and (after about a week and a half) I'm still at the beginning of the curve!

Anyway, I appreciate your detailed response, and I was particularly interested in your comments about THX. Are the benefits more hype than reality? (Of course, as with all such matters, I suppose the answer depends largely upon one's ears--and what's between them!)

Thanks again--I'm very new to the "Axiom community," as it were, but you guys seem like a great bunch of people. And I think that has to say something about the quality of the company and its products.

Best,

theaterdoc



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#10114 - 04/18/03 01:31 PM Re: M80ti vs Klipsch RF7 vs Polk RTi150, LSi15
sushi Offline
connoisseur

Registered: 02/09/03
Posts: 1490
Loc: Dallas, TX
In reply to:

Anyway, I appreciate your detailed response, and I was particularly interested in your comments about THX. Are the benefits more hype than reality?



Hi Doc,

The reality is, the manufacturers have to pay a hefty loyalty to get the THX certificates with the glorious logo on the faceplate. So, the entire scheme is driven by the usual corporate economic/political/marketing motivations. Among the non-exotic-priced receivers brands, for example, Yamaha refuses to go with the THX and continues to design and make their own proprietary digital signal processor (DSP) chips for surround processing, which seem to enjoy laudatory reviews from critics and owners alike (incidentally, I do not intend to recommend for or against Yamaha). And of course, the Yamaha receivers, like most others today, will handle every digital surround format under the sun without a problem. My own Pioneer 45TX receiver happens to be THX-Select certified, but that was certainly not a factor in my purchase decision.


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#10115 - 04/18/03 02:05 PM Re: M80ti vs Klipsch RF7 vs Polk RTi150, LSi15
chesseroo Offline
connoisseur

Registered: 05/13/02
Posts: 4829
Loc: western canada
Here is a thread on a huge discussion of THX certification that might help you to resolve some questions and opinions:
axiom poster on thx certs
_________________________
"Those who preach the myths of audio are ignorant of truth."

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#10116 - 04/18/03 02:06 PM Re: M80ti vs Klipsch RF7 vs Polk RTi150, LSi15
theaterdoc Offline
frequent flier

Registered: 04/16/03
Posts: 15
Loc: CT, USA
Hi, Sushi--

Very interesting. I guess there's just no escaping politics, even when buying home theater components.........

theaterdoc

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#10117 - 04/18/03 02:21 PM Re: M80ti vs Klipsch RF7 vs Polk RTi150, LSi15
theaterdoc Offline
frequent flier

Registered: 04/16/03
Posts: 15
Loc: CT, USA
Hi, Chess--

You're amazing--I had just found that thread and was reading my way through it when your latest post "dinged" in my e-mail inbox!

Thanks again for the help. These message boards are an incredible source of information and support.

theaterdoc

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#10118 - 04/18/03 02:35 PM Re: M80ti vs Klipsch RF7 vs Polk RTi150, LSi15
2x6spds Offline
connoisseur

Registered: 03/16/02
Posts: 2726
Loc: CA, USA
I am curious, Saturn, how you determined that Onkyo receivers and I suppose amps output less than their rated power outputs. Clearly, that would be false advertising, and since I own a 797 and an M282 amp I would be pretty upset if what you're saying is true.

I have or had Harmon Kardons AVR65 (65x5), 525 (70wpcx5), Technics SADX940 (100wpcx5)), Sony STRDB1070 (100wpcx6), as well as the Onkyo 797 (100x6) and from my experience I'd say the Onkyo puts out as much more power than the others listed as you'd expect from its rating.

I've always been curious as to how someone would test the output of a multichannel receiver to determine whether it meets its specs. I'd be curious as to what you came up with Saturn.
_________________________
Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.

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#10119 - 04/18/03 04:53 PM Re: M80ti vs Klipsch RF7 vs Polk RTi150, LSi15
Saturn Offline
connoisseur

Registered: 10/21/02
Posts: 1041
Loc: Toronto Ontario Canuck
Sometimes (don't qoute me on this)some companies rate the output based on 2 channels driven rather than all channels driven. Like for instance my Rotel is rated at 100w x 5 and it is. But for 2 channel stereo my system pushes about 128W x 2. Some companies would actually say my system pushes 128W per channel. But I know at least for Rotel, Denon and NAD and most high end separates they for sure tend to be on the conservative side. What devices they use to measure this . I don't know exactly what they are but here are some articles using some sort of device to measure this. ie. HCC measured output at onset of clipping HCC Fidelity Firewall
These are some articles that actually have some sort of devices to measure rated output vs real continous output on all channels which happen to be the model under yours.


http://www.homecinemachoice.com/testbench/frame.html?http://www.homecinemachoice.com/testbench/Amplifiers/Onkyo/OnkyoTX-DS787.shtml

Actually all receiver reviews on http://www.homecinemachoice.com/index.html test for rated vs real continous power all channels
_________________________
http://www.quadloft.com/hometheater- new HT

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#10120 - 04/18/03 05:37 PM Re: M80ti vs Klipsch RF7 vs Polk RTi150, LSi15
Pinoy Offline
veteran

Registered: 10/26/02
Posts: 115
Loc: Kansas City, Missouri
Yes, I did. I started with THX certification to be a must for my speakers and receiver. In the final analysis, trust your ears instead of THX ratings. Please read my comments in the link posted by Chesseroo.




Edited by Pinoy (04/18/03 05:41 PM)

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