Dolby Prologic IIz (9.2 channel) Waste or want? - Home Theater Forum and Systems - HomeTheaterShack.com

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post #1 of 81 Old 02-08-10, 01:22 PM Thread Starter
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Dolby Prologic IIz (9.2 channel) Waste or want?

I will be buying a new integrated amp in the coming months and was wondering what's the general consensus on the 9.2 audio? I've read several articles saying it's lame but as more material is encoded with it will it get stronger?

I have 7.1 setup now and through my selections assumed its the newer thing, therefore, "I need it." I was looking at the Onkyo NR-5007 becasue it will meet my power needs and seems to be a great amp. But if the IIz is really not that great there are many other cheaper options than those with IIz decoding.

What's the consensus on Pro Logic IIz? Is it a waste?
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post #2 of 81 Old 02-08-10, 02:08 PM
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Re: Dolby Prologic IIz (9.2 channel) Waste or want?

"underwhelming results" is what is stated on the review I read.

http://news.cnet.com/8301-17938_105-10230238-1.html




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post #3 of 81 Old 02-08-10, 02:51 PM Thread Starter
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Re: Dolby Prologic IIz (9.2 channel) Waste or want?

That's what I read too. I was just wondering if anybody felt differently.

also I meant to put in my original post.....

How is it that you can have 9 channel audio with a 7 channel amp? I see lots of receivers out there that decode IIz but only have 7 channels. do you assign the rears to the height channels as a tradeoff or have outputs for the height channels to an external stereo amp?
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post #4 of 81 Old 02-08-10, 04:10 PM
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Re: Dolby Prologic IIz (9.2 channel) Waste or want?

They add height speakers, but then say the system only processes non directional sounds. Thats a bit confusing and contradicting IMO, not to mention there is plenty of talk on the web of the human ear not being able to tell all that much difference in the height of sounds anyway. The whole height thing is a bit lost on me, if you have the right kit for your room then it will fill your room with sound anyway and I'm not convinced this makes a difference. Certainly an 8.1 system I heard recently utilising the extra height speakers didnt give any noticeable extra sensation over even my 5.1 that I could tell.
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post #5 of 81 Old 02-08-10, 04:10 PM
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Re: Dolby Prologic IIz (9.2 channel) Waste or want?

The Onkyo's have speaker connections for the front height speakers.

http://filedepot.onkyousa.com/Files/...6e2c272f427245




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post #6 of 81 Old 02-08-10, 04:15 PM
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Re: Dolby Prologic IIz (9.2 channel) Waste or want?

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Mike P. wrote: View Post
The Onkyo's have speaker connections for the front height speakers.

http://filedepot.onkyousa.com/Files/...6e2c272f427245
The system I listened too was running from one of these Onkyos.
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post #7 of 81 Old 02-11-10, 05:20 PM
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Re: Dolby Prologic IIz (9.2 channel) Waste or want?

Some people really like the added height or width speakers but most of the professional reviews I have read said it was just OK with some material and worse with others.

I used to think the same thing about 7.1 and the back surrounds until I heard Pro-logic IIx with music, now I think back surrounds are worth it just for PL IIx.

I personally don't have any desire to add height or width channels though as it would be difficult to integrate into my system and the reviews have been so so.
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post #8 of 81 Old 02-11-10, 07:14 PM
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Re: Dolby Prologic IIz (9.2 channel) Waste or want?

Hello,
The biggest thing I like is dual separate Audyssey calibrations of the Subwoofer Channel. With many people using 5.1 or 5.2 based systems, having dual Subwoofer calibrations really can be a boon.
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post #9 of 81 Old 02-12-10, 01:38 PM
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Re: Dolby Prologic IIz (9.2 channel) Waste or want?

Quote:
Jungle Jack wrote: View Post
Hello,
The biggest thing I like is dual separate Audyssey calibrations of the Subwoofer Channel. With many people using 5.1 or 5.2 based systems, having dual Subwoofer calibrations really can be a boon.
Cheers,
JJ
Thats much more use than 2 height channels imo!
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post #10 of 81 Old 02-12-10, 01:52 PM
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Re: Dolby Prologic IIz (9.2 channel) Waste or want?

I personally think its a "hit and miss" option. It depends on how far away you sit from the front wall and how high the speakers are placed.

Home theater:
Onkyo 805, Yamaha YDP2006EQ, Samson Servo 600 amp
3 EV Sentry 500 monitors across the front, 4 Mission 762i's Surrounds, SVS PB13U sub, Panasonic BDT220, Harmony 1100, Nintendo WiiU
Panasonic PT-AE8000 on a 120" 2,35:1 fixed screen

Living room system:
Sherwood/Newcastle R972, Mission 765's, SVS SBS02's, A/D/S MS3u sub, Yamaha YDG2030EQ
Yamaha KX-393 Tape deck, CDC 805 CD changer, Panasonic BD60, Sony turntable PS-T20
Panasonic TC-P50ST60, HD-PVR & WDTV Live, Harmony 900

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