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Re: Dialog Inteligibility with VP180
bdpf #342986 03/23/11 09:59 PM
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I'm with Alan on this. It's not so much the cloth that would concern me, but the diffractions from those other solid objects that are between the front plane of the speaker and the listener. Even if the framing and such is not directly in front of the drivers, it could still impact the dispersion quite a lot. You have to remove that variable first.


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Re: Dialog Inteligibility with VP180
tomtuttle #342990 03/23/11 10:49 PM
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AWESOME AWESOME ROOM!


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Re: Dialog Inteligibility with VP180
SRoode #342994 03/24/11 12:57 AM
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The fix is easy...

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Re: Dialog Inteligibility with VP180
Dduval #342996 03/24/11 01:09 AM
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Hmm.... never noticed that the VP180 was 'hidden' I thought I was looking at the l80 in open air, so much for my powers of observation. I am with Alan as well, try the 180 on top of that housing right side up and upside down and see how it sounds. I wonder if the Sub could be affecting the sound somehow, if the 2 are not isolated from each other.


Jason
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Re: Dialog Inteligibility with VP180
jakewash #343000 03/24/11 01:23 AM
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Originally Posted By: jakewash
Hmm.... never noticed that the VP180 was 'hidden' I thought I was looking at the l80 in open air, so much for my powers of observation.

That makes two of us Jason, I thought for sure I was looking at the 180 in open air.

I attribute my lack of observation to old age.


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Re: Dialog Inteligibility with VP180
RickF #343002 03/24/11 01:26 AM
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That would make 3 of us.


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Re: Dialog Inteligibility with VP180
BlueJays1 #343005 03/24/11 01:34 AM
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I guess that is a good tribute to the builder of said enclosure.


Jason
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Samsung 85" Q70
Re: Dialog Inteligibility with VP180
autoboy #343022 03/24/11 03:45 AM
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Originally Posted By: autoboy
My brother is having issues with dialog and I'm looking for a few suggestions.

His setup:

VP180
M60s
4 QS8s
SVS PB13 Ultra
NAD T765

He's having trouble hearing dialog, particularly during movies. With the system set up and calibrated properly, dialog seems quiet and hard to hear, but when the bullets start flying, the overall volume in the room gets quite loud. I can't turn up the overall system volume to hear voices because action scenes get overly loud.

He's resorted to turning up the center volume. He's at +4 now. We calibrated it to +2 and even that was a tiny bit higher than the measurements showed. At +4, the sound stage collapses to the center channel.

His seating positions are off-center a few feet since he wanted two love seats so I am wondering if I'm getting too much combing from the VP180. It's particularly hard to hear female voices.

Or I was wondering if I should enable Dynamic Range Compression in order to bring up the low volume scenes, and knock down the loud scenes. I'm not even sure if his NAD can do that since it tends to leave out extras that nobody uses.



1. Wow, beautiful rooom.
2. If you calibrated for the front row then the dialogue will be disproportionately softer and the effects disproportionately louder when sitting in the back row.
3. A few feet off centre is not your problem, I can sit 11ft. off centre and still hear my VP180 crystal clear.
4. Having your SVS underneath is not your problem, but having both in an enclosure may be. Try testing the VP180 with it out of the enclosure.
5. Not angling the VP180 up enough is not your problem, it has outstanding vertical off axis performance.
6. Use Dolby PLIIx / Cinema instead of DTS.
7. DRC/Night/Dynamic Volume can all help if you don't mind the limited dynamic range.
8. Good luck and let us know what you find.


M80s, VP180, QS8s, EP800 v3
Re: Dialog Inteligibility with VP180
avjunkee #343085 03/24/11 04:04 PM
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Don't have time to check through the thread at the moment, but did you verify that all drivers are working? I've never heard someone say that they have a lack of intelligibility with a 180...


::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::
Re: Dialog Inteligibility with VP180
MarkSJohnson #343124 03/24/11 08:48 PM
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The word enclosure is misleading. It is a slim mdf frame and acoustic cloth. The frame is 1" thick. If you took away the cloth it would look like a cube frame open at all ends. You never see the VP180. Everything is surrounded by cloth on 4 sides, top, front, sides and they resemble wood framed speaker grills. The VP180 is pushed into the cloth (not literally touching...) such that there is nothing directly in front of the speaker and the frame for the cube is at the most extreme angle from the drivers. The frame is above the speaker not in front of it and the top of the speaker is below the wood frame. There may be a little dispersion off of it, but it is essentially in open air. I don't think that's going to change. He's not taking away the frame and cloth. The VP180 isn't ugly, but the sharp lines don't exactly fit the curvy 40's style decor of the room.

The decorative element is clear in the pictures and sits below the VP180 by a significant amount. You can clearly see the drivers of the VP180 in the picture so you can get an idea of how much it sits below the VP180. I suppose that could add to some dispersion effects, but it doesn't seem any different than if the VP180 was sitting on a TV stand. That could be changed I guess, but it would be a costly upgrade.

The most obvious thing to check is that all the drivers work. I'm awaiting word on that. Thanks everyone for your suggestions.

Last edited by autoboy; 03/24/11 08:51 PM.
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