Denon X4000 & XPA-5 - AVS Forum
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post #1 of 10 Old 09-11-2013, 10:00 AM - Thread Starter
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I'm considering using an external Emo XPA-5 five channel amp to power my Fronts, Center, and Rear Surround channels. Then I'd like to assign the X4000 amps to power only the Rear Back Surrounds and Front Heights for a 9.1 setup.

 

The X4000 has full pre-outs so I assume this is possible, however the Amp Assign Mode on the X4000 is confusing. I would think I need to use the "9.1 Channel" setting but the description in the owners manuals for this setting states:

 

"Setting to use a maximum 9.1 channel speaker system by using a combination of the unit's 7-channel built-in amp with an external power amp connected to a set of 2-channel speakers."  

 

That's not what I want to do and that's the only 9.1 channel amp assign setting on the X4000. 

 

Anyone here using the X4000 with an external amp, or does anyone know the proper settings?

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post #2 of 10 Old 09-11-2013, 05:26 PM
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That actually is what you are wanting to do so then yes, the X4000 can do what you need. smile.gif

Also note there is a dedicated thread just for Denon "X" series owners ....

http://www.avsforum.com/t/1465528/the-official-2013-denon-e-series-x-series-avr-model-owners-thread-faq/0_100

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post #3 of 10 Old 09-11-2013, 08:07 PM - Thread Starter
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I actually tried to post this to the Denon X series owners thread but I accidentally started this new thread, sorry but I'm new here. 

 

I'm looking to amp 5 channels, not two so the setting description does not match what I'm trying to do.

 

I assume that the preamp outs are always active regardless of the setting so if I connect the amp to the pre-outs and then connect the speakers to the amp it should work. I'm just trying to verify this with someone who owns the receiver in case I'm missing something. 

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post #4 of 10 Old 09-12-2013, 03:48 AM
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Yes, the pre-outs are always hot and yes, the X4000 will do what you need. All that quote is saying is that "at least" a 2CH amp must be used in order to expand to 9CH in the main zone. There's no issue using a 3/5/7 CH amp as that is > 2CH. smile.gif

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post #5 of 10 Old 09-12-2013, 04:44 AM - Thread Starter
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Thank you very much for the explanation.

 

I also assume the Audyssey XT32 calibration will work as normal too. I don't think Audyssey will know or even care that 5 out of 9 channels are amped and will adjust the db levels and eq as required.

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post #6 of 10 Old 09-12-2013, 11:36 AM
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Quote:
Originally Posted by pro10is View Post

Thank you very much for the explanation.

I also assume the Audyssey XT32 calibration will work as normal too. I don't think Audyssey will know or even care that 5 out of 9 channels are amped and will adjust the db levels and eq as required.

Audyssey will work fine. I have the same setup on a 4311 for 11 channels.
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post #7 of 10 Old 09-12-2013, 03:31 PM
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I have the same setup with my X4000 since day one and you won't even know you have an external amp. Just hook it up and turn it on like normal. I never even tried the built in amps in my X4000...hope they work:rolleyes:
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post #8 of 10 Old 09-18-2014, 05:33 PM
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Quote:
Originally Posted by William K View Post
I have the same setup with my X4000 since day one and you won't even know you have an external amp. Just hook it up and turn it on like normal. I never even tried the built in amps in my X4000...hope they work
This actually worked? I cannot seem to get any output from the Denon once I've hooked up the XPA-5. From what I've read, it appears that it only powers 2 channels. Hoping I'm wrong. How did you hook this up?

From the manual:
9.1ch(SB/FH/FW) : Setting to use a maximum 9.1 channel speaker
system by using a combination of the unit’s 7-channel built-in amp with an external power amp connected to a set of 2-channel speakers.



Actually, I do believe I have it working, have to fix up some of my speaker wire but am powering about 4 speakers now.. problem was between the keyboard and chair

Last edited by macattackman; 09-18-2014 at 06:12 PM. Reason: update
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post #9 of 10 Old 09-18-2014, 07:23 PM
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I have my 4000 hooked up to an XPA-3. That is a cost saving measure you could consider. The surrounds are a bit less critical so a bit of distortion doesn't seem critical. Also by taking the some of the load off of the receiver it can provide more power to the channels you are powering with the amplifier.

"But this one goes up to 11"
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post #10 of 10 Old 09-19-2014, 02:08 AM
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Quote:
Originally Posted by macattackman View Post
This actually worked? I cannot seem to get any output from the Denon once I've hooked up the XPA-5. From what I've read, it appears that it only powers 2 channels. Hoping I'm wrong. How did you hook this up?

From the manual:
9.1ch(SB/FH/FW) : Setting to use a maximum 9.1 channel speaker
system by using a combination of the unit’s 7-channel built-in amp with an external power amp connected to a set of 2-channel speakers.



Actually, I do believe I have it working, have to fix up some of my speaker wire but am powering about 4 speakers now.. problem was between the keyboard and chair
Using the [AMP ASSIGN = 9.1] configuration simply lets the AVR know you will be using an external amp to power "at least" 2 speakers. The AVR's pre-outs are always hot, so you can easily use the XPA-5 to power up to 3 additional speakers if you choose as has been discussed in the Owner's thread many times.

The 'Official' 2013 Denon "E Series" / "X Series" AVR Model Owner's Thread & FAQ

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