The **OFFICIAL** DENON AVR-4520CI thread - Page 425 - AVS Forum | Home Theater Discussions And Reviews
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post #12721 of 12738 Old 08-26-2015, 10:08 AM
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Quote:
Originally Posted by Craig Peer View Post
Having seen the non ventilated " entertainment centers " some people jam A / V gear in, I've always suspected most failures are from overheating. And the fan should last a long time. It doesn't hurt to be on the safe side IMO.

Agreed. Going to order today.

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post #12722 of 12738 Old 08-26-2015, 03:46 PM
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Got the new 4520CI in today



Had this firmware:

9/9/2013 (3325-3843-4485)

So I had to download this one:

2/19/2014 (3525-8853-5475)

Guess this was built between 9/9/13 and 2/18/14
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post #12723 of 12738 Old 08-26-2015, 06:35 PM
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Nice unit.


Like Craig the fans cannot hurt only help.

I built my fan controller just over 9 years ago. It's been retrofitted into 3 cabinets with 2 sets of fans so far. Back when I built mine cooling options were small and expensive. So computer fans, computer fan controller with temp sensors, and a external hard drive case to power it was cheaper.

If I need to redo it I would choose the AC infinity stuff. I bought 2 of the 120mm plates to dress off my new entertainment cabinet but liked the silent x fans better.

My Denon triggers my Belkin Surge protector switched outlets, which turns on my fans and inuke amp.

My Builds--Media console build---- Martycube build---- ADX Bass Shaker Install

Projector & Screen: Benq W1070 Elite Screens 100" Electric Video: Oppo 103d Audio: Denon 4520ci Speakers: Infinity RS5 (LW L C R RW) Infinity RS1 (LH RH) Infinity Beta ES250 (SL SR) Subwoofers: 2 SI18d4 Martycubes with iNuke3000dsp and 2 Infinity BU120 Shakers: 4 ADX shakers with Dayton SA230 amp
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post #12724 of 12738 Old 08-26-2015, 06:41 PM
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I figure when those two fans and temp sensor come in, Ill figure out where the warmest area is and set em there.

I never noticed the bottom fans run on my old 4520ci, must have to get hot for them to work.

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post #12725 of 12738 Old 08-26-2015, 07:20 PM
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I added a 120mm exhaust fan to the upper back corner of my cabinet a couple years ago, powered off the 12V trigger out from my AVR. The 3312 has two 12V outs... one triggers the power amp and the other the cooling fan. I use an Enermax "TB Silence" (part no UCTB12) as it was the quietest fan I could find based on its db rating, low rpm and adequate airflow. The fan's power draw was rated at 150ma, which should be low enough for the 12V trigger out, but I added a small resistor in series as well, which reduces the power draw somewhat as well as slow the fan even more. When there is nothing playing the sound of the fan is barely audible a few feet away from the cabinet. I bought a couple spare fans for future use, and also picked up a 12V splitter from Emotiva... essentially a DC hub, with one 12V trigger input and four trigger outputs, in case I may want to add more fans at some later date. As you said, fans can only help.

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post #12726 of 12738 Old Yesterday, 12:27 PM
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Question. I noticed after I ran XT32, my display speakers were still activated and cranked up pretty good from when I was changing things out. I am assuming when Audyssey runs and sends the test tones out that is strictly from the speaker terminals on the bacl, nothing was getting passed via HDMI to the display? Affecting the cal?

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post #12727 of 12738 Old Yesterday, 12:32 PM
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Quote:
Originally Posted by gadgtfreek View Post
Question. I noticed after I ran XT32, my display speakers were still activated and cranked up pretty good from when I was changing things out. I am assuming when Audyssey runs and sends the test tones out that is strictly from the speaker terminals on the bacl, nothing was getting passed via HDMI to the display? Affecting the cal?
I'm almost positive it's only terminals and pre outs.
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My Builds--Media console build---- Martycube build---- ADX Bass Shaker Install

Projector & Screen: Benq W1070 Elite Screens 100" Electric Video: Oppo 103d Audio: Denon 4520ci Speakers: Infinity RS5 (LW L C R RW) Infinity RS1 (LH RH) Infinity Beta ES250 (SL SR) Subwoofers: 2 SI18d4 Martycubes with iNuke3000dsp and 2 Infinity BU120 Shakers: 4 ADX shakers with Dayton SA230 amp
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post #12728 of 12738 Old Yesterday, 12:45 PM
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It doesn't make any sense that it would output thru the HDMI Monitor 1 output to the display, but it made me think for a second LOL.

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post #12729 of 12738 Old Yesterday, 01:28 PM
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WoW!! I'm surprised that A4L still have 4520's in stock. Especially new ones. I got my refurb 4520 from them last Summer and have been very pleased with it. Hopefully I never need to use the five year warranty I purchased with it.

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post #12730 of 12738 Old Yesterday, 01:31 PM
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Yep, I was surprised to see it and jumped on it.

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post #12731 of 12738 Old Yesterday, 03:11 PM
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Quote:
Originally Posted by gadgtfreek View Post
Got the new 4520CI in today

Had this firmware:

9/9/2013 (3325-3843-4485)

So I had to download this one:

2/19/2014 (3525-8853-5475)

Guess this was built between 9/9/13 and 2/18/14
My fans are coming in today (ordered the ones on Amazon since it was more affordable than the ebay ones and good for this experiment) and my receivers in tomorrow.

Looks like we're on similar time frames.
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post #12732 of 12738 Old Yesterday, 03:23 PM
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Quote:
Originally Posted by smellyfungus View Post
My fans are coming in today (ordered the ones on Amazon since it was more affordable than the ebay ones and good for this experiment) and my receivers in tomorrow.

Looks like we're on similar time frames.
What, pray tell me, were you thinking when you chose that user name?

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post #12733 of 12738 Old Yesterday, 08:16 PM
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Fungus us only good if it is smelly!

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post #12734 of 12738 Old Yesterday, 09:00 PM
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There's Fungus among us...
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post #12735 of 12738 Old Yesterday, 09:15 PM
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An advantage of the internet is to be present without having to smell the smellyfungus.
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post #12736 of 12738 Old Today, 10:22 AM
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Just wanted to report back, I am seeing this same thing with the 4520ci as I did with my Marantz preamp, with regards to speaker levels. Subs are always about 5db low compared to other speakers.

I use the Spears and Munsil 2nd gen blu-ray audio tones for each channel to test using a Cross Spectrum SPL meter. At 0.0 MV the speakers are 76db, and the subs are 71db. I set the gains on the subs so that when XT32 completes they are -10.5 and -9.5, I then boost them leaving their new levels at -5.5 and -4.5.

Front distances are both 10.3 feet
Center distance is 9.6 feet
Subs are 10.2 feet

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post #12737 of 12738 Old Today, 10:26 AM
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Quote:
Originally Posted by gadgtfreek View Post
Just wanted to report back, I am seeing this same thing with the 4520ci as I did with my Marantz preamp, with regards to speaker levels. Subs are always about 5db low compared to other speakers.

I use the Spears and Munsil 2nd gen blu-ray audio tones for each channel to test using a Cross Spectrum SPL meter. At 0.0 MV the speakers are 76db, and the subs are 71db. I set the gains on the subs so that when XT32 completes they are -10.5 and -9.5, I then boost them leaving their new levels at -5.5 and -4.5.

Front distances are both 10.3 feet
Center distance is 9.6 feet
Subs are 10.2 feet

I like more bass too. As they say, " there is reference, and there is preference ". I'll start with reference, and tweek to my personal preference !

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post #12738 of 12738 Unread Today, 10:28 AM
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Originally Posted by gadgtfreek View Post
Fungus us only good if it is smelly!
Porcini's and truffles rock !

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