Need advice on Receiver / AMP Setup - Denon AVR-4311 & Emotiva XPA-5 - AVS Forum
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post #1 of 2 Old 06-13-2013, 09:55 PM - Thread Starter
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Hello Forum members & JDSmoothie & Batpig.
I need your expert advise to determine whether my desire to get a 5 Channel Amplifier is justified / feasible. Thank you.

Current Setup (in the Family Room - Powers 9.1 setup in Family Room and 2.1 Setup in the Backyard):

Family Room:
Receiver: Onkyo TX-NR1007 (awesome receiver but soon to be replaced by Denon AVR-4311 for 3D capabilities and Audyssey XT32)
Speakers: Aperion Verus Grand Towers, Verus Grand Center, 2 bookshelves for Surround, 4 HTD HD-85 in-ceiling speakers for front height and back.
Monster Sub: Seaton Sumbersive

Setup: Normal 9.1 setup. Nothing creative or fancy.

Backyard:
Receiver: Denon AVR-1912 (The backyard receiver shares the same entertainment cabinet as the family room receiver)
Speakers: Sonance Mariner H2O speakers and Polk Atrium 10 passive (outdoor sub).

Setup: Sonance Mariner H20 are the front Left and Right and Subwoofer is set to yes. Sub PREOUT to CD IN. Zone 2 speaker terminals are connected to to the Dual Coil Polk Atrium Sub.

This give me awesome sound outdoors.


Problem Statement: I am very happy with my setup. It sounds better than any other setup I have heard (not because I have the best setup but there aren't any Audiophiles in my circle and neither am I). The Aperion Verus Grands were a great upgrade to my Polk RM7600 Satellites (size closer to Book sheleves rather than Satellites). I would say I noticed a 25% improvement in clarity and midbass. Even though this would be inline with the Law of Diminishing Returns, I was expecting a lot more from the Verus Grands after reading dozens of glowing reviews. I get deep rich sounds but not as lively. I don't get the feeling that the performer is in the room (Sorry I can't describe what I can hear or cannot hear like an audiophile).

Proposed Solution: Per, Aperion Technical / Product Support team, giving the Verus Grand more power would improve the sound and make it more "lively". Unfortunately, the entertainment cabinet does not have room for another large component. If I add the Amplifier, I have to get rid of the backyard receiver.

Question: Is there any way to get same or different source materials to play through my 9.1 Family Room setup and 2.1 backyard setup with the AVR-4311 and Emotiva XPA-5 at the same time ? This is required during parties and when kids are playing video games or watching kiddy movies in the Family Room and I want to chill in the backyard.

If the answer is "NO", is there any way to power the backyard speakers and subwoofer at different times without having to switch wires. I don't mind using some easy to use A/B speaker selector.

Key considerations: Can 4 of the 9 Amplifiers in the 4311 be used for the back yard (2 for the backyard mains and 2 to amplify a subwoofer signal for the Polk Atrium 10)? Can Sub output be fed back into the receiver ?

Final Question: The Aperion Grands are very efficient speakers and the AVR-4311 supposedly pushes out 100 plus true watts all channels driven. Will a higher wattage separate amp really help or would it be a wasted effort ?

Thank you all.
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post #2 of 2 Old 06-14-2013, 02:46 AM
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This is an often debated question (not directed at your specific speakers) where some folks find no improvement in audio fidelity adding a more powerful amp while others will swear they do so you may be better served posting the question in the Speakers forum to get responses from owners of the Aperion Verus Grand Towers. The 4311CI could be used alone to power your 9.1 setup and then you could pass the Zone 2 pre-outs to the 1912 although only on board network audio (Pandora, Airplay, internet radio, Tuner, USB) and non-HDMI sources would pass to Zone 2 such that with both an HDMI and analog cable connected from the same source, the HDMI audio would pass to the main zone and the analog audio would pass to Zone 2. If you decide to replace the 1912 with the XPA-5, although you could connect the Zone 2 pre-outs to the XPA-5, you would lose the capability to power the sub; however, note that AVRs are not designed to power a "passive" sub, rather you would be better served purchasing a powered sub with IN/OUT speaker posts in which to connect the back yard speakers.

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