Center is weak... Possible to add center channel to l / r speakers? - AVS Forum
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post #1 of 13 Old 11-09-2013, 11:18 PM - Thread Starter
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Yes, I realize that true audiophiles are currently screaming at their screens. I have a set of 5.1 Polk speakers, not high end but not low end either. My center is so disconnected from the video. Possibly too weak? I'm not sure what to do. I wondered if it was possible to hook the front left and right also to the center channel. And from that statement you think that I am a complete noob, and you'd be right.

Any ideas?

Btw, I know many an answer will be to buy a better center. It is a decent center but the sound coming from it is so very isolated and disconnected. You have the video at eye level and the sound below it. I thought if the center channel was coming from the left and right, it may sound right?

Any help is much appreciated!
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post #2 of 13 Old 11-10-2013, 12:38 AM
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Quote:
Originally Posted by Spiffy577 View Post

I wondered if it was possible to hook the front left and right also to the center channel. And from that statement you think that I am a complete noob, and you'd be right.
That would be the wrong way to accomplish what you are attempting to do.

What you should do instead is tell your AVR that there is no center channel attached. Check your documentation for your AVR and see if there's anything other than that you need to do to put the center in "phantom mode". This should cause the center-channel signal to be split between the left and right speakers instead of going to the center.

I've had a similar problem in some setups even with good centers. Let us know how it turns out.
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post #3 of 13 Old 11-10-2013, 06:33 AM
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I agree a phantom center is better than a weak center. I assume you have tried to boast your center signal from your Avr ?

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post #4 of 13 Old 11-10-2013, 07:56 AM
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Since you said the center is below the screen, you could try angling it up towards ear level. Also, does your AVR have room correction software (Audyssey (Onkyo/Denon), MCAAC (Pioneer), YPAO (Yamaha))?
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post #5 of 13 Old 11-10-2013, 08:12 AM
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simple solutions are often the best ones, you could mount the center above your TV or tilt it up
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post #6 of 13 Old 11-10-2013, 09:28 AM
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I agree with the others. Experiment with the placement (angling) of the center and with a phantom center before buying another center.

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post #7 of 13 Old 11-10-2013, 06:27 PM - Thread Starter
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Anyone know if denon 1911 has a "phantom speaker" ability?


Oooh, it seems if I remove the center it may phantom but then it may also automatically downgrade the bluray stream to lossy. Is that right?
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post #8 of 13 Old 11-10-2013, 06:30 PM
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Quote:
Originally Posted by Spiffy577 View Post

Anyone know if denon 1711 has a "phantom speaker" ability?

It's called "don't hook up the center channel" although there might be a way to just disable it in the speaker config. You might need to rerun Audyssey (not sure). I know that if it's not hooked up to begin with prior to running Audyssey, the Denon will set itself up correctly for no center.

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post #9 of 13 Old 11-10-2013, 07:23 PM
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Quote:
Originally Posted by cel4145 View Post

It's called "don't hook up the center channel" although there might be a way to just disable it in the speaker config. You might need to rerun Audyssey (not sure). I know that if it's not hooked up to begin with prior to running Audyssey, the Denon will set itself up correctly for no center.
If you rerun audessy. The AVR needs to *know* that there's no center speaker.
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post #10 of 13 Old 11-10-2013, 07:47 PM
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Quote:
Originally Posted by JerryLove View Post

If you rerun audessy. The AVR needs to *know* that there's no center speaker.

My Denon AVR-888 has an option in manual setup to set the center channel to "none." Don't know about the 1711. If he has that option, most likely he does not need to rerun Audyssey, but that is just an educated guess that is based on the firmware working logically.

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post #11 of 13 Old 11-10-2013, 08:04 PM - Thread Starter
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Awesome! Thanks everyone for the advice. I will try both moving the center and the phantom setups.

Does anyone know if, by using the phantom setup, the denon will down mix any bluray audio?
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post #12 of 13 Old 11-11-2013, 07:48 AM
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The Denon will send the vocals and dialogue that is normally directed to the center channel to the front left and right speakers instead. You won't lose any content.

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post #13 of 13 Old 11-12-2013, 04:38 PM
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Quote:
Originally Posted by JerryLove View Post

What you should do instead is tell your AVR that there is no center channel attached. Check your documentation for your AVR and see if there's anything other than that you need to do to put the center in "phantom mode".
Quote:
Originally Posted by cel4145 View Post

My Denon AVR-888 has an option in manual setup to set the center channel to "none." Don't know about the 1711. If he has that option, most likely he does not need to rerun Audyssey, but that is just an educated guess that is based on the firmware working logically.
But if all you do is "don't hook up the center channel" , then the AVR will not know it's not there and will still send signals.

Perhaps you previously meant "don't hook it up and then make sure the AVR's been told it's not there", but that's not what you said and it could easily confuse someone trying it.
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