Anthem MRX Receivers - 300, 500, 700 Owners Thread & Tweaking Guide - Page 569 - AVS Forum | Home Theater Discussions And Reviews
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post #17041 of 17057 Old 01-10-2017, 03:11 PM
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Originally Posted by BEACHIN' CHRIS View Post
Thank you for your prompt reply.

Here's the settings:

TV: HDMI3/HDMI3
SAT:HDMI4/HDMI4

These are different as the audio settings on those inputs (before default) were Coax. If I could access menu and change settings, I'd be golden.

Thanks again.
Maybe I'm not understand this. So you can access the MRX the onscreen menu through your TV but you just can't change the audio?

So if you go into Menu >> Audio/Video Setup and Presets >> Main Source Setup you should be able to change the "Main Audio Input" from HDMI or HDMI4 to what ever you like.

"What do you mean it's too loud? My ears aren't even bleeding yet!"


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post #17042 of 17057 Old 01-12-2017, 10:33 AM
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Hi guys, I have a very quick question for you. From what I understand (or may be misreading), ARC only goes as high as 5k, is there an eq or anywhere where you can make adjustments to frequencies higher than that? I pretty much always have to cut in the 10+khz range so I need to make sure the MRX 500 is capable of doing that.

Thank you,

David.

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post #17043 of 17057 Old 01-12-2017, 10:46 AM
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Originally Posted by Nodscene View Post
Hi guys, I have a very quick question for you. From what I understand (or may be misreading), ARC only goes as high as 5k, is there an eq or anywhere where you can make adjustments to frequencies higher than that? I pretty much always have to cut in the 10+khz range so I need to make sure the MRX 500 is capable of doing that.

Thank you,

David.
Correct ARC1 for the x00 generation will only EQ from 20Hz-5kHz. ARC2 for the x10 and x20 generation will EQ 15Hz-5kHz. If you need you need to EQ the higher or lower frequencies you'd have to use something like REW and a miniDSP with UMIK mic.

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post #17044 of 17057 Old 01-12-2017, 11:05 AM
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That seems really strange that there isn't at least some sort of eq aside from ARC that doesn't do the regular 20-20 adjustments. I can understand why ARC had those restrictions (processing power etc) but that's kinda crazy being restricted to those frequencies. Why wouldn't they just add a parametric eq outside of ARC to adjust those frequencies, practically every cheap receiver can at least do that. It's a bit of a big deal as I have issue with the higher frequencies and getting headaches etc. I guess I could probably adjust those easily enough with REW and a UMIK mic (which I already own which is nice but then I'd need to buy more equipment which defeats what I'm trying to do haha).

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post #17045 of 17057 Old 01-13-2017, 02:46 PM
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I had the mrx500 and moved to the mrx310.

I'm not sure what your issues are but I was able to resolve the issue of frequencies above 5k by using sounds panels and carpets.

If you need to Eq the entire frequency spectrum with ARC, you'd have to move to a much higher-end Anthem product.

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post #17046 of 17057 Old 01-15-2017, 02:48 PM
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Ok so new question for anybody out there.

Due to some special circumstances right now I only have 1 center speaker connected to my MRX700. Is there any way to properly set that up? Like turning off all the other channels somehow?
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post #17047 of 17057 Old 01-15-2017, 03:47 PM
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Went from the 300 to the 510 and honestly, I like the sound from the 300 better. While the audio quality is very slightly improved on the Gen 2 X10, the bass is just not as good as Gen 1. I want to hear the bass coming from my 12" floorstanding speakers with the subwoofer doing the harder work, and the 300 does it so well that it fills the room with bass for movies, while the 510 failed to do that. For music is the same, the 300 does a whole lot better at the sub bass level than the 510 can ever hope of doing. What I like about the 510 though, is the neutrality that it has and it clearly demonstrates this with its musical capabilities, it just does a better job in being able produce every instrument at a clearer level.
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post #17048 of 17057 Old 02-02-2017, 02:59 AM
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Beem reading this thread for a while. Around post 14,450.
Bought a used MRX 700 while I was in Afghanistan.
Hoped to make it through the thread before I got home, but didn't make it.

Set up with LCR and sub tonight. Plan to use ARC/QM to locate the surround/rears.

But hit a snag setting up tonight. RF chanel is not correct. No mid or bass, just tweeter. And even with the level set to +12 it's not as loud as the LF and C (set to 0). Swapped wire ate MRX and it's definately the MRX not the speakers/wires.

I don't recall a similar problem mentioned.
Plan to try a reset tomorrow. FW is 50.25

Unit was supposed to include USB-RS232 adapter but it's not in the package (used by previous owner) so updates/ARC are on hold.

Last edited by ST Dog; 02-02-2017 at 03:16 AM.
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post #17049 of 17057 Old 02-02-2017, 06:41 AM
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Quote:
Originally Posted by ST Dog View Post
Beem reading this thread for a while. Around post 14,450.
Bought a used MRX 700 while I was in Afghanistan.
Hoped to make it through the thread before I got home, but didn't make it.

Set up with LCR and sub tonight. Plan to use ARC/QM to locate the surround/rears.

But hit a snag setting up tonight. RF chanel is not correct. No mid or bass, just tweeter. And even with the level set to +12 it's not as loud as the LF and C (set to 0). Swapped wire ate MRX and it's definately the MRX not the speakers/wires.

I don't recall a similar problem mentioned.
Plan to try a reset tomorrow. FW is 50.25

Unit was supposed to include USB-RS232 adapter but it's not in the package (used by previous owner) so updates/ARC are on hold.
This is the adapter i use-
https://www.amazon.com/Tripp-Lite-Ke...-rs232+adapter

If the reset don't work, give Anthem support a call.....

Anthem MRX-500,Outlaw 7500 5ch amp
Oppo BDP-103, Sony XBR-65X930D, Rotel RP-855, Phillips BDP-7501
Paradigm Studio 100 Fronts,Paradigm Studio ADP-590 Surrounds, Phase Technology 3.5T-PLIIz fronts
Paradigm Studio cc-590 Center, Martin Logan Dynamo subwoofer, DefTech Supercube 4000
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post #17050 of 17057 Old 02-02-2017, 03:43 PM
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Originally Posted by jmacari View Post
This is the adapter i use-
https://www.amazon.com/Tripp-Lite-Ke...-rs232+adapter

If the reset don't work, give Anthem support a call.....
Well, reset a few times. No change.

Checked the other channels closer and the center has some static and the L AUX channel is quiet too.

Center static is constant level, not dependent on volume setting.
I don't hear it from 5 ft away, but it is there when up close, like when playing with the wires earlier.

L AUX isn't as quiet as the R Front, and appears to have mid/bass.

I called and Anthem says send it in for service. $130 minimum fee plus shipping each way.

Seller is sending the adapter that was supposed to be included. Should be here Sat.
I'll see what info I can glean from ARC and I decide the path forward.

Another $200 in repairs kind of kills the great deal.

I had been watching all 3 of the first gen models because I need 2 composite video inputs (still use my LD and VHS) which the x10 and x20 lines are lacking. Not to mention having to get the 510+ or 720+ for 7 amp channels.

I got the 700 for less than many 300s and 500s sell for.
Still a good deal if repairs are too expensive, just not what I was expecting.

Upgrading a system I bought in 1999. Monitor 7s, CC-170v2, PDR-12, and Atom v2 surrounds powered by a Pioneer VSX-D608. Adding a second pair of Atom V2s for rear channels. Just replaced the foam surround on the sub and need to do them on the center as well, possible the Atoms (have yet to look at them close).

I've been running 3.1 since I moved in 2010 trying to decide where to put the surrounds and wanting to go to 7.1. ARC/QM would make it easier to locate them where they work best.
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post #17051 of 17057 Old 02-03-2017, 05:35 AM
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Originally Posted by ST Dog View Post
Well, reset a few times. No change.

Checked the other channels closer and the center has some static and the L AUX channel is quiet too.

Center static is constant level, not dependent on volume setting.
I don't hear it from 5 ft away, but it is there when up close, like when playing with the wires earlier.

L AUX isn't as quiet as the R Front, and appears to have mid/bass.

I called and Anthem says send it in for service. $130 minimum fee plus shipping each way.

Seller is sending the adapter that was supposed to be included. Should be here Sat.
I'll see what info I can glean from ARC and I decide the path forward.

Another $200 in repairs kind of kills the great deal.

I had been watching all 3 of the first gen models because I need 2 composite video inputs (still use my LD and VHS) which the x10 and x20 lines are lacking. Not to mention having to get the 510+ or 720+ for 7 amp channels.

I got the 700 for less than many 300s and 500s sell for.
Still a good deal if repairs are too expensive, just not what I was expecting.

Upgrading a system I bought in 1999. Monitor 7s, CC-170v2, PDR-12, and Atom v2 surrounds powered by a Pioneer VSX-D608. Adding a second pair of Atom V2s for rear channels. Just replaced the foam surround on the sub and need to do them on the center as well, possible the Atoms (have yet to look at them close).

I've been running 3.1 since I moved in 2010 trying to decide where to put the surrounds and wanting to go to 7.1. ARC/QM would make it easier to locate them where they work best.
...tough call to make....

If Anthem can fix it for a decent charge, I think it would be worth it.

I have had my MRX-500 for 3 years now; i have upgraded just about everything in its path (4K, Sony TV, 4K BR player, Roku Ultra 4 K streamer)...the only drawback is that it doesn't do HDMI 2/2.1 for ARC HDMI/4K pass thru, but not a big deal for me. Also, no Atmos, but I am still on the fence for that to justify purchase of Anthem 720.

I just really appreciate what my 500 does for most signal paths, especially music streamed or via my Oppo 103.

so, in the end, I guess see what Anthem can do for you....

Anthem MRX-500,Outlaw 7500 5ch amp
Oppo BDP-103, Sony XBR-65X930D, Rotel RP-855, Phillips BDP-7501
Paradigm Studio 100 Fronts,Paradigm Studio ADP-590 Surrounds, Phase Technology 3.5T-PLIIz fronts
Paradigm Studio cc-590 Center, Martin Logan Dynamo subwoofer, DefTech Supercube 4000
Roku Ultra, DIRECTV Genie DVR
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post #17052 of 17057 Old 02-03-2017, 09:19 AM
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I have had my MRX-500 for 3 years now; i have upgraded just about everything in its path (4K, Sony TV, 4K BR player, Roku Ultra 4 K streamer)...the only drawback is that it doesn't do HDMI 2/2.1 for ARC HDMI/4K pass thru, but not a big deal for me. Also, no Atmos, but I am still on the fence for that to justify purchase of Anthem 720.
Upgrades are not really on the horizon.
As you can tell I'm not one to fix what ain't broke.

Sub would likely be the next big change. I know the PDR-12 isn't great, especially in my 15x21x12 room.

Maybe a 1080p display when the 720 plasma dies. Or even 4k depending on what's available then. I got the 720p display in '10/'11 when it got difficult/expensive to repair the 36" CRT bought in '99.
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post #17053 of 17057 Old 02-10-2017, 11:07 AM
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So, I have an email in to Anthem so I can send it in.

It's sicker than I first though. Finally got a working adapter (Tripp-Lite the Prolific based one I was sent didn't work) so I could use ARC.

So the RF is about 20db down compared to the LF and C.
I couldn't run ARC as the RF was too quiet and ARC gave errors.

Noticed some background static in the center as well. Think it's in the amp because it's constant volume, not tied to the volume knob.

Also the Left Back is a little quiet, but full range (no missing bass like the RF).

But, all channels are a bit quiet. 9ft from my Monitor 7s and CC-170 I'm only getting 60dB with quick measure from the LF and C.

Think I may hook up 3.1 outs and use my Pioneer (5x100) for comparison and see if the RF problem is in the preamp or amp section. Will also allow for running ARC to hear what it does from my room. Also can use quick measure to look at speaker placement for the surrounds and rears as thgat's room based and not amplifier dependent.


Also tried emailing Nick and Piero but the email addresses I had bounced
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post #17054 of 17057 Old 02-13-2017, 05:55 AM
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Think I may hook up 3.1 outs and use my Pioneer (5x100) for comparison and see if the RF problem is in the preamp or amp section. Will also allow for running ARC to hear what it does from my room.
Finally got some time to try this. Removing the MRX amps appears to clear up the issues. Volume set to -10db on the Pioneer and everything sound like expected.

Still need to run ARC with this configuration as it was too late last night when I finally got it all hooked up.


HopefullyI'll hear from Anthem soon with return instructions.

Last edited by ST Dog; 02-14-2017 at 01:04 PM.
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post #17055 of 17057 Old Yesterday, 11:27 AM
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Well, Anthem estimates $500+ for parts to replace the amplifier board
(Plus $40-50 for shipping each way and $130 labor)

I can try to find a good 7 channel amp (any suggestions?), use 2 channels on the MRX (if I can find 2 that work well) and use with a 5 channel amp or my old 5.1 AVR, or I can look for another MRX-x00.

The 300 would have plenty of power for my needs. Or a decent 7 channel amp or combo of amps with similar power.
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post #17056 of 17057 Old Yesterday, 01:03 PM
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Well, Anthem estimates $500+ for parts to replace the amplifier board
(Plus $40-50 for shipping each way and $130 labor)

I can try to find a good 7 channel amp (any suggestions?), use 2 channels on the MRX (if I can find 2 that work well) and use with a 5 channel amp or my old 5.1 AVR, or I can look for another MRX-x00.

The 300 would have plenty of power for my needs. Or a decent 7 channel amp or combo of amps with similar power.
tough call.......$500 could probably buy you a good, working MRX 300 or 500, online somwhere (Audiogon, usaudiomart, hifishark, etc) or a nearby Anthem dealer......

$500 is a lot to invest in a first generation AVR; finding a decent 5 ch amp for little money could be a choice or, like you said, go with your old 5.1 AVR, i.e., try it, see what it sounds like.....

Anthem MRX-500,Outlaw 7500 5ch amp
Oppo BDP-103, Sony XBR-65X930D, Rotel RP-855, Phillips BDP-7501
Paradigm Studio 100 Fronts,Paradigm Studio ADP-590 Surrounds, Phase Technology 3.5T-PLIIz fronts
Paradigm Studio cc-590 Center, Martin Logan Dynamo subwoofer, DefTech Supercube 4000
Roku Ultra, DIRECTV Genie DVR
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post #17057 of 17057 Old Today, 09:13 AM
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tough call.......$500 could probably buy you a good, working MRX 300 or 500, online somwhere (Audiogon, usaudiomart, hifishark, etc) or a nearby Anthem dealer......
I was originally going to get a 300 and found the 700 for a great price (~$500) similar to the best I had been seen the 300 sell for, while most all of the MRX receivers were priced over $800.

Lesson learned. Don't be impatient. Only buy when able to test things out withing the eBay buyer protection window.

I found a MRX-300 for less than the repair is likely to cost. Should have it early next week. Once I see how it performs in the room I'll decide a path forward for the 700.

Sadly, the nearest Anthem dealer is a considerable drive. Lots of custom system installers near me, ut none stock anything from Anthem or Paradigm.

Quote:
$500 is a lot to invest in a first generation AVR; finding a decent 5 ch amp for little money could be a choice or, like you said, go with your old 5.1 AVR, i.e., try it, see what it sounds like.....
$500 (parts) + $130 (labor) + shipping 2 ways.

I'm fine with a first gen MRX. Actually prefer it because of the features not in new AVRs (like analog video support). In 3-4 years I'd have no qualms about spending that much to keep it going.

But adding $500+ to the $500 I paid for the unit right off the top? That's a tough one. If it could be fixed for $200-300 total, it'd just mean I got it for the going rate instead of a good deal.

A 5 channel amp (or old AVR) would be a stop gap as part of the point here was to get 7.1 Even bought new speakers to expand. That also was assuming I can find 2 good channels on the AVR, but how long before they are no longer good?

If the the 300 I have coming works well, I may send the 700 to Anthem just to see the cost. If reasonable pay it, if not they keep it. I also might try to sell the 700 as a pre-processor first.


So, I'll be back with graphs later. I was pleasantly surprised at how my PDR-12 measured. The room is 15 x 21 w/ 12ft ceiling (3500+ cu ft).
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