The Audyssey Pro Installer Kit Thread (FAQ in post #1) - Page 189 - AVS Forum
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post #5641 of 5648 Old 09-23-2014, 12:48 AM
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Originally Posted by pepar View Post
Not to be a party pooper, but the capsule could have been dislodged and, while it is electrically intact, there could still be some acoustical difference. I would Ask Audyssey.

Jeff
Yeah,that's one thing that I was wondering about. It hit bottom first,but that may not make any difference.Is Ask Audyssey still an active contact? I thought they stopped that after Chris was no longer participating.
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post #5642 of 5648 Old 09-23-2014, 04:45 AM
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Yeah,that's one thing that I was wondering about. It hit bottom first,but that may not make any difference.Is Ask Audyssey still an active contact? I thought they stopped that after Chris was no longer participating.
Just got this link from their website - https://audyssey.zendesk.com/home


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post #5643 of 5648 Old 09-24-2014, 02:38 PM
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I contacted tech support instead.
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post #5644 of 5648 Old 09-24-2014, 04:42 PM
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I contacted tech support instead.
I'm sure you will, .... BUT please post your results!

Jeff
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post #5645 of 5648 Old Today, 01:01 AM
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How exactly are twin subs handled?

I have asked the guys in the Denon AVP forum and the consensus was that two subs are probably best mixed rather than separated for stereo. But I still have no explanation of exactly how Audyssey, in the Denon implementation, processes multichannel signals if the two subs are set left/right. My guess is FL/RL/C to one sub and FR/RR/C to the other. I am confident some of you specialists use the same AVP and know the answer - or can speculate from experience of advanced Audyssey usage.

If I do purchase a 2nd unit it will be exactly the same model as sub 1, a BK Electronics Monolith Plus - Forward Firing model. Treating the subs as a single channel (MIX) seems simplest, so why do Denon offer a L/R option, unless it is purely for a stereo pair arrangement?

Equally important, is there a real listening advantage in having two subs?

My 5.1 speaker setup is 2 x Quad ESL 2905 L/R, Quad ESL 2805 C and 2 x ATC SCM50A RL/RR and the BK sub noted above. Crossover is currently set to 80Hz all round. The Denon is the upgraded HD model with Audyssey MultiEQ XT 32.
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post #5646 of 5648 Old Today, 03:52 AM
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Hi DJB of Poole,

I have both, the AVP and the Pro Kit and I asked myself the same question. I also find the Denon manual way too unspecific in this point - and others.

May be you can get a better explanation here: http://www.manualslib.com/manual/228...hd.html?page=6

However, the LFE track is a mono track - if I am not mistaken - and this L/R stuff adds to the confusion. I am running my set-up, which also deploys two subwoofers of the same make, as L/R. Don't ask me why, it is just some kind of 'believe' I would say, that L/R is better/different than MIX.

Hope, this helps...

PS: In my opinion/ listening experience there is definitely an advantage having two subs. I have positioned a total of 4 x 12" speakers (2 x 2) in front and you can definitely hear a difference, running one or two subs. Sure, you can also have one sub doing the same as one sub, if you have one doubling the speaker surface of the one you already have. The real advantage of two subs is you can position them e.g. facing each other - one in front, one in the back - and thus eliminating room resonances. My recommendation would be to experiment with the location of the second one, if your room allows for such kind of experiments.
In my case both are located at the front and thanks to Audyssey Pro, I have no problem with room resonance in the bass. Without, I have. I have two Teufel M11000 SW.

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post #5647 of 5648 Old Today, 05:19 AM
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Quote:
Originally Posted by Ganymed4 View Post
Hi DJB of Poole,

May be you can get a better explanation here: http://www.manualslib.com/manual/228...hd.html?page=6

PS: In my opinion/ listening experience there is definitely an advantage having two subs.
Thank you Ganymed4.

The URL was a little more informative but still leaves it unclear what the 2SP L/R setting does with a MCH source, which a lot of my listening uses.

Your explanation of the advantage of 2 subs was very clear and encourages me to think this is a good thing to do.

Perhaps others have more to add?
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post #5648 of 5648 Old Today, 05:30 AM
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I am not familiar with the AVP specifically, but other Denon AVR's (I have the 4520), combine re-routed bass from ALL channels with speakers set to "small" into a single bass channel, which is then sent to both the Sub1 and Sub2 outputs. There is no thing as "stereo bass". The reason for two bass channels is to allow separate distance and trim settings, which in turn allows more flexibility in sub placement.

The advantage of two subs is that with careful placement, two subs can achieve a flatter overall bass response than one sub. If you were to measure your bass response and determine improvement would be desired, then there are several approaches you might take. Addional subs is one of the more effective approaches.

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