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Topic:
Two Center Speakers
This thread has 28 replies. Displaying posts 1 through 15.
Post 1 made on Tuesday December 3, 2019 at 12:03
Debooter
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Doing a 5.1 setup in a customer's living room where ceiling framing will not allow for an in-ceiling center speaker to be centered on TV. Customer has suggested using 2 center speakers equal distance off of center. Can anyone see an issue doing this?
Compu-Global-Hyper-Mega-Net
Post 2 made on Tuesday December 3, 2019 at 12:18
tomciara
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In a perfect world, no, but in a less perfect world I have done the same thing.
"People almost invariably arrive at their beliefs not on the basis of proof but on the basis of what they find attractive." - Blaise Pascal
Post 3 made on Tuesday December 3, 2019 at 12:40
tweetymp4
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We prefer two center speakers. Ideally one above and one below the screen. Second best it to have one close to the screen and one closer to the listener. Last would be what you describe.

Ideally we would have the ability to attenuate the volume of the two centers when they are in first two scenarios mentioned above. In your situation they would be at equal volume level.

Your only concern would be in the amplifier can drive two centers. Assume a standard AVR with 8ohm speakers... You shouldn't have any issues.
I'm Not an engineer, but I play one on TV.
My handle is Tweety but I have nothing to do with the organization of similar name. I just had a really big head as a child so folks called me tweety bird.
Post 4 made on Tuesday December 3, 2019 at 14:02
Rob Grabon
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Sure, been there, done that.

Shelving too using box speakers when TV in the middle flanked by bookcase.
L books C TV C books R
Technology is cheap, Time is expensive.
Post 5 made on Tuesday December 3, 2019 at 14:15
Ernie Gilman
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On December 3, 2019 at 12:40, tweetymp4 said...
We prefer two center speakers. Ideally one above and one below the screen.

This is something OP cannot do.
Second best it to have one close to the screen and one closer to the listener.

How are you seeing these arranged? If there can't be one in the center, then... you're saying you'd put two speakers in, which would have to be off center (equally off center?), with one closer to the listener(s) than the other? You don't mention height for this setup. What would the heights be? How close is closer to the listener?
Last would be what you describe.

This is actually first, since the other two can't be done in his scenario.

Don't disparage the best setup in the situation because the better setups can't be done -- the starting point is that the better setups can't be done, so it's no help to discuss them.

Ideally we would have the ability to attenuate the volume of the two centers when they are in first two scenarios mentioned above.

Hmmm. You already have the ability to attenuate the volume of the two centers. It's the Center level control in the surround setup. I think you mean you'd want to have the ability to attenuate the volume of the louder of the two speakers so that they seem as one. You'd determine by trial and error which speaker is louder than the other, and you'd add an attenuator to the signal going to that speaker.
In your situation they would be at equal volume level.

Yes.
Your only concern would be in the amplifier can drive two centers. Assume a standard AVR with 8ohm speakers... You shouldn't have any issues.

Yes.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. ďBernieĒ Shaw
Post 6 made on Tuesday December 3, 2019 at 14:43
lippavisual
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Thumbs down button......
Post 7 made on Tuesday December 3, 2019 at 16:07
3PedalMINI
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Iíve had todo it. Sounds fine.

Itís not a dedicated theater, itís a living room. Itís going to be put in all channel anyway!
The Bitterness of Poor Quality is Remembered Long after the Sweetness of Price is Forgotten! - Benjamin Franklin
Post 8 made on Tuesday December 3, 2019 at 18:48
ichbinbose
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Soundbar or phantom center.
I really canít believe some of the responses.
Personally i hate the front three in the ceiling and avoid it as much as possible.
Post 9 made on Tuesday December 3, 2019 at 19:08
3PedalMINI
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On December 3, 2019 at 18:48, ichbinbose said...
Soundbar or phantom center.
I really canít believe some of the responses.
Personally i hate the front three in the ceiling and avoid it as much as possible.

Phantom center doesnít work that well, soundbars have their place but I would take 4 ceiling speakers over a soundbar any day!
The Bitterness of Poor Quality is Remembered Long after the Sweetness of Price is Forgotten! - Benjamin Franklin
Post 10 made on Tuesday December 3, 2019 at 20:37
Brad Humphrey
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WOW. It has been taught in audio classes for decades - DO NOT PUT 2 CENTER CHANNELS IN!!!
This causes comb filtering. Which is bad! If you think you don't hear a difference, you haven't demoed it (A/B) to yourself to hear.

Brendon,
I know you use to have a good 2ch setup at your house. Do you have something setup you can play with this, to see for yourself. Especially listen how the sound changes dramatically from seat to seat with 2 centers installed vs. 1. If you have an RTA, look at the comb effect it is creating to the response.
I promise you, you will never mistreat a customer by doing that again.

And I have seen several dealers do it, just to sell an additional speaker. Knowing full well it was wrong to do.
Post 11 made on Tuesday December 3, 2019 at 22:01
cma
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On December 3, 2019 at 16:07, 3PedalMINI said...
Iíve had todo it. Sounds fine.

Itís not a dedicated theater, itís a living room. Itís going to be put in all channel anyway!

This ^^
Post 12 made on Tuesday December 3, 2019 at 23:34
MoNick
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We used (1) center, and (1) blank matching grille on a similar install years ago.

Looked good.
Post 13 made on Wednesday December 4, 2019 at 00:48
tweetymp4
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On December 3, 2019 at 20:37, Brad Humphrey said...
WOW. It has been taught in audio classes for decades - DO NOT PUT 2 CENTER CHANNELS IN!!!
This causes comb filtering. Which is bad! If you think you don't hear a difference, you haven't demoed it (A/B) to yourself to hear.

Brendon,
I know you use to have a good 2ch setup at your house. Do you have something setup you can play with this, to see for yourself. Especially listen how the sound changes dramatically from seat to seat with 2 centers installed vs. 1. If you have an RTA, look at the comb effect it is creating to the response.
I promise you, you will never mistreat a customer by doing that again.

And I have seen several dealers do it, just to sell an additional speaker. Knowing full well it was wrong to do.

Use three center channel speakers.... problem solved. Sell more speakers.

Last edited by tweetymp4 on December 4, 2019 01:01.
I'm Not an engineer, but I play one on TV.
My handle is Tweety but I have nothing to do with the organization of similar name. I just had a really big head as a child so folks called me tweety bird.
Post 14 made on Wednesday December 4, 2019 at 01:28
BrettLee3232
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Why not do a center on one side and sub on the other? 👌🏻
Knowing that Gold went up a few K makes me think "well now I have to do a better job on selling more equipment".

-Me... Jan. 2014
Post 15 made on Wednesday December 4, 2019 at 01:38
Mac Burks (39)
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Find or have a custom center built that gets attached to the TV.
Avid Stamp Collector - I really love 39 Cent Stamps
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