The **OFFICIAL** DENON AVR-4520CI thread - Page 105

*SIGH*

I guess I'm just too used to seeing "from x to y". Sorry.
But the problem, and the report that it might not be the case in some circumstances, usually does bear repeating.

No biggy.

I was merely changing 60 to 80 which is pretty common.

I checked and rechecked my speaker wiring and everything is ok. I broke out my multimeter and checked continuity on the center channel and the speaker wire isn't the culprit. I checked the speaker terminals and they must be wired up this way internally. I checked one if my other speakers and the same exist on it. I was getting a continuity tone by touching the pos and neg terminals on the back of the speakers.

I did retry the calibration on the first measurment point but the phase error continued. Funny how I am only getting it on the center when all speakers are wired up internally the same.
Edited by nezff - 2/25/13 at 12:38pm

My understanding is that incorrect reversed polarity messages sometimes can be caused by reflections. Although the message is annoying, the calibration is supposed to work fine if you just tell it to continue anyhow.

^^^ +1. If your connections are fine just continue with calibration. It will compensate for the phase shift.

One point: dipole and some other speakers can put out significant reflected energy that could influence the results. Room treatments are the obvious answer, but moving the mic around to check at slightly different locations can also help.

I have room treatments. A lot of them. Pics in my sig.

I think the reflections could be showing up on just the center channels because of its placment inside the cabinet. Just weird that it has never showed up before during xt32 calibration until today.

Hopefully this is not some hidden Denon bug. I am following this forum religiously since I am about purchase a 4520 in the next couple weeks.

^nezff, sorry for the confusion. Been very busy with dayjob, speedreading threads.
As to the phase thing, it's disconcerting to get that warning but you've done your due diligence so it's a safe assumption that it is false. It doesn't seem worthwhile given the facts to switch the speaker to another position.

If I'm looking at the pictures correctly, the center channel speaker is flat on the floor and parallel to it. That'll cause reflections off the floor and rug right in front of the speaker. If you could tilt the speaker up somewhat, so it's pointing roughly toward the height of people's ears, the sound will be better and the calibration might not generate the warning.

It has been a frustrating day.  There are very high winds here in central Texas today, which have caused several brief power blips.  Each time the 4520 lost power, it also reverted to a prior configuration.  This forced me to re-load from backup each time.  I opened a case with Denon last year when I was experiencing the same problem with my 4311.  Although they promised to escalate the problem to engineering, the case was closed with no answer.  I called Denon back today, and reported the same problem with the 4520, and once again they will escalate to engineering.  I'll report back if they provide an answer.

 

Correct me if I am wrong, but it is not recommended plugging a high-current device like an AVR into a UPS.  

 

Edit:  Just had another power failure.  This time the 4520 did not revert to a previous configuration.  I love consistency.  

Edited by AustinJerry - 2/25/13 at 4:31pm

Correct me if I am wrong, but it is not recommended plugging a high-current device like an AVR into a UPS.  

Then I am breaking the rules.... This is what I am using:

http://www.furmansound.com/product.php?div=02&id=F1500-UPS_CE

I checked the center speaker terminals on the back of the speakers and got a continuity tone. Im almost positive the xovers are wired up this way. What is weird, is that all the other speakers have the same xovers, and none of them are giving the error message. Also never seen this problem before with the same speakers and running Audyssey xt 32 on the onkyo 5508.



The center channel is inside the cabinet with little to no room to move it. Im assuming the Denon is picking up something else that the Onkyo didnt?
Edited by nezff - 2/25/13 at 7:10pm

Jerry, but FWIW, there are UPS that allegedly have high current outlets, such as the Panamax M4300-PM, or similar products. Whether that's a good thing to connect an AVR to is judgmental.

http://www.amazon.com/Panamax-M4300-PM-Outlet-Clean-Power/dp/B000SXWGDI

At least for this unit, it's recommended to not plug in high-current devices, as per the caveat at the bottom of that link .

Depends on your budget, but I use my AVR to an APS PurePower designed for hifi gear. I have two: one for analog devices (phono amp, my W4S multichannel power amp and preamp) and another for my digital devices (SACD, Oppo, Denon 4010, media player).

http://www.purepoweraps.com/FAQs.htm

Mine is the older 1050 series. They've been upgraded recently.

With the power outages from gale force winds in Brisbane last month, I was almost tempted to get a newer version with higher output power for the front channel power amps and subs in front as well.

Hmmm, maybe the power outage we had last week was responsible of the loss of settings on my AVR-4520 and not the Firmware update as I thought. Interesting to know.

If it is the case though, this is a serious case of bad design!

As Woof-Woof pointed out, it depends on your UPS budget. For example, you can get UPS systems with batteries that last just long enough for a fuel-powered generator to pick up the load, and both parts are capable of delivering whatever amount of power is needed.

Can someone pm me a good price and place (in the U.S.) to get the 4520?

Thanks,
Fernando

Yes I read that and I don't drive that system very hard and have noticed no difference between this unit and one of their Elite PF models. I am getting ready to upgrade to AVR-4520 and move the rack to another room. At that point I will run a Torus Power unit of a 20PF from furman

Yep, I get it (the phase message) fairly regularly with my bipolar L and R mains...although not every time I run audyssey, curiously enough. The further they're placed from the front wall the less it seems I get the message, which makes sense.

James

I run my AVR and a few other components (not the power amps or subs) on an APC BackUps UPS and have had no problems. I have several around the house due to relatively frequent power outages (from minutes to hours, several days a couple of times in the past few years). I mainly want enough time to ride out a brief glitch and give me time to shut everything down nicely if it lasts more than a minute or two.

I actually think my main system is on a 750 VA unit; the larger 1500 VA units I have on the smaller upstairs system and my desktop PC. Too lazy to move them down to the media room and crawl behind the console again... My AVR is running asa pre/pro so power demands are not large, however.

I'm having a problem with Airplay. If I start playing Pandora or Music from an IOS device, then redirect the music to the Denon it plays fine but the volume on the IOS device doesn't control the Denon volume, it has no effect. I have to switch to the Denon app and control the volume from there. Am I missing something? Can someone give this a try and let me know if it works for you?

Thanks.

I'm g
I'm going to try and move the center speaker around or kill the reflections to see if that is the problem

Not sure if it's Comcast or my receiver, does anyone else get rare and sporadic 'fuzz' on the TV that looks like snow? It happens for a split second and the audio does NOT cut out. Once it flashed green with fuzz and the audio cut, and but that hasn't happened since.

I'm really hoping you all say you haven't seen it, which means it's simply Comcast. It happens so infrequently I don't know if it won't happen on BluRay or simply hasn't happened yet.

I wouldn't read to much into it, cable boxes are notorious for HDMI handshake issues.

Hi,

I believe I've posted this in the "Receivers, Amps, and Processors" by mistake.

I'm pretty new to the 4520, its setup and among other things. This is my very first posting so please go easy on me .

1. I have not setup the 4520 as of now, so I was wondering when I first connect the speakers to it (6.1 with one center back), and not perform Audyssey, will I get any sound out of my speakers and sub?

2. Does Audyssey need to be performed first before I will get any sound out of the 4520?

3. Do I need to use the amp assignment before I can hear the speakers, or will there be default assignments to the amps for my 6.1 setup?

4. When I connect the Audyssey mic up to the boom and adjust it to ear level, and take the first position in the middle of the sofa, would I keep the mic at ear level at the other 7 positions?

5. Is 8 positions of measuring really necessary to obtain a good sound stage?

6. What are your recommendations that you found to be good?

Your opinions, experiences and answers would be highly appreciated.

Gerry
Edited by PepperOne - 2/28/13 at 2:21pm

Hello,
While not surprising that my Martin Logan Vantages and Stage Center Channel both show up with a phase error as electrostatic speakers are bipolar, I never got phase errors with my Onkyo TX-NR3008 which also sports XT32/SubEQ HT. I have my Vantages moved out 3 feet from the back wall. Stranger still, on the 4520, it sets my Vantages, Stage, and Vistas all to full range whereas the Onkyo set them to I think 40hz for the Vantages and Vistas and 60hz for the Stage. The speaker positions were completely unchanged from AVR to AVR.

Also I have a hint for those using the Preamp Only Mode. Do not run Audyssey during the initial setup as switching to the Preamp Only Mode defeats Audyssey altogether. I just had to run XT32 twice today due to that. Thankfully XT32 runs at warp speed compared to my Onkyo TX-NR3008.
In addition, while I have posted it before and no doubtothers have as well, but reset your Wireless Bridge if you are not getting AirPlay to work on your iPhone. At least on the iPhone 5.
Cheers,
AD

Audiodork, I want your avatar. I was at a PCA event about 3 years ago and I saw one in the flesh. I think it's the most aggressive, purposeful looking car I've ever seen.
I had to change my avatar after seeing yours
Edited by DougReim - 2/28/13 at 3:27pm

1. I guess that my question needs better clarification. When I connect the speakers and sub, and turn on the 4520, will I be able to hear any audio if I say have the AVR set on a FM station before I employ Audyssey?

3. You said that there is no default setting for the amp assignments. Does that mean that in question 1 above means that I will have no audio output with a FM station tuned in and that the amps need to be assigned before any speaker output is detected?

Gerry

I am having trouble with the rear IR input with a URC MX-880 and MRF-350 base station. I can't get the 4520 to power on. I tried several different On commands as well as learned code from the Denon remote. I called Denon, they blamed the remote control.

Once I power on using front panel power button every programmed command works including power off. Any thoughts?

Thanks
Andy Adams