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NEWS: monolith amp with Hypex amplification!

amper42 said:
The M8525x would be a $950 total increase in price over the 8 channel Buckeye Hypex 502MP based on my quoted shipped total for the M8525x. Not sure I can point out a reason to pay 40% more but it's nice to have a choice. I would expect either unit to do well. It would be interesting to have a kill-a-watt reading on the M8525x and the Buckeye 8 channel at normal volumes and a heat test after 2 hours into a home theatre movie.

Click to expand...
I will post a few of these metrics but it will be a few days. I am interested in the heat metrics because the monoprice felt hotter than I expected after a movie the other day, but my only comparison class d amps are a aiyima a09 and topping pa5 (one that hasn't failed yet *crosses fingers* which are both much cooler.
 
I have this amp hooked to denon 4700 and I have polk r700 mains, a kef q350 center, and 4 SLS q-lines as surrounds https://www.soundandvision.com/content/sls-audio-q-line-silver-surround-sound-system-page-3

After watching the new thor for an hour at -15db i pulled out my flir to check Temps front was 75 degrees, top was 85, hottest reading I got was 135.8 but case top bottom sides back all pretty low.

I initially had the q350 and one of the qline on 1 amp and both power cord to the same socket and I tripped protection. A few times. I put the q350 on its own (so I'm using 7 of 8 channels) and routed the second plug to another circuit and it has not happened again.

I'm not getting the power numbers sorry.
 
Hello all. I had been shopping amps for quite awhile and decided to buy the Monolith M8250x yesterday because it's currently on-sale and I was tired of missing out on similar deals. My budget was under $3K and I really like the fact that the Hypex 502MPs are packaged for Monoprice by ATI and comes with a 5yr warranty. I am replacing an Emotiva XMC-1 refurb and two of their amps: XPA-3 Gen 3, and a BasX A5175. I was able to get a great deal on a used Marantz AV8805 and have been shopping for a good amplifier to power my living room's 5.2.2 system. (I "upgraded" the processor for Atmos/Auro capability and went from 7.2 to 5.2.2. I also can't use Dirac anymore as all I have is a Mac and it's not supported. Sigh.) The Emotiva A5175 has been a solid performer and the XPA-3 was ok. Definitely noticed an edginess/graininess in my SUBJECTIVE listening that doesn't seem to be there with my A5175. (No, didn't do double-blind testing and was mindful of possible placebo affect but I expected the bias to lean toward the XPA-3 NOT the BasX. Oh well...) Perhaps the measurements ASR did on the DR2 does translate to audible differences?? It's been bulletproof otherwise.

Bottom Line- I wanted a pre/pro that could support more modern advances in sound and a single amp for the speakers. I think I did ok and will let you know if there are any obvious issues with it when it gets here.
 
Jdunk54nl said:
Why couldn't dirac be used with a mac? I use it all the time with my mac.

Just scroll down for dirac live for macos download
www.dirac.com

Downloads - Dirac

Download Dirac Live on your computer or mobile and optimize your sound. Available on Android, iOS, Window, and MacOS.
www.dirac.com www.dirac.com

or direct link to download
Click to expand...
I was told by Emotiva that the XMC-1 is running a different version so it won't work. I've tried using windows VM software but that only works on Intel chips not Apple's proprietary ones. Such is life. It was a great sounding processor otherwise, just got tired of some of the bugs for HDMI and lack of surround formats. Here's to hoping someone sells their Trinnov for half price in the near future!
 
nondemo said:
I was told by Emotiva that the XMC-1 is running a different version so it won't work. I've tried using windows VM software but that only works on Intel chips not Apple's proprietary ones. Such is life. It was a great sounding processor otherwise, just got tired of some of the bugs for HDMI and lack of surround formats. Here's to hoping someone sells their Trinnov for half price in the near future!
Click to expand...
Well that is silly. What about running BootCamp? or Parallels (cost of $99)? Parallels should work on both intel and apple chips.

Run Windows on Mac with a virtual machine | Parallels Desktop

Download Parallels Desktop virtual machine to run Windows on Mac without rebooting or slowing down your Mac, plus get over 200,000 Windows apps.
www.parallels.com www.parallels.com
 
Last edited:
amper42 said:
Apparently, the Monoprice NC502MP sale is over and price back to $2999.99 plus tax. Back to $900 more than Buckeye version. :facepalm::D

Monolith by Monoprice M8250x 8x200 Watts Per Channel Class-D Multi-Channel Home Theater Power Amplifier with XLR Inputs Hypex NC502MP - Monoprice.com

Monolith™ by Monoprice™8250X Class‑D Amplifier8‑Channels with 200 watts/channel into 8 ohms and 400 watts/channel into 4 ohms in a small 3RU enclosureThe Monolith™ 8250X
www.monoprice.com
Click to expand...
Maybe it was a "Halloween month is here" sale
 
I have been living with the Monolith M8250x for about a week now and am very pleased. SOLIDLY built, quality XLR and speaker terminals, and fairly cool running. I have about 50 hours listening and rotating it and my Emotiva XPA-3 Gen 3 in/out of my system. What I noticed the most is I find the XPA-3 fatiguing and it didn't matter if I used my Marantz 8805 or my Emotiva XMC-1. I'm left guessing that the distortion issues ASR found with the XPA DR3 was the culprit. I don't consider myself an "audiophile" but am a musician with experience in studios listening for issues on recordings using many different speakers and amps. I find the ATI implemented Hypex modules quiet, clean, powerful, and dynamic without the issues in the top end I found with the XPA. Now, that's MY OPINION ONLY and others may not feel the same. I just didn't care for the Emotiva "sound" if there is such a thing in an amp. (I didn't notice any issues with my Emotiva BasX A5175 and would recommend it to anyone if they still made it. It was a 125w/channel class A/B powerhouse for like $700.) Anyway, for the sale price of $2149 I paid for the Monolith, I'd say instant "yes". For $2999? I'd probably have kept shopping for awhile but ultimately gone with it after swallowing a stiff whiskey...
 
Last edited:
I purchased this too, still haven’t opened it yet. Waiting for Avm70 8k to arrive.

I’m using this for the surrounds, rear surrounds and atmos, and I need to get a 3 channel or 3 monoblocks (I have 3 outlaw 2200s for the time being but want to get a hypex or purifi amp).

Suggestions for something to match the monoprice? NC500?
 
pfgiv said:
I purchased this too, still haven’t opened it yet. Waiting for Avm70 8k to arrive.

I’m using this for the surrounds, rear surrounds and atmos, and I need to get a 3 channel or 3 monoblocks (I have 3 outlaw 2200s for the time being but want to get a hypex or purifi amp).

Suggestions for something to match the monoprice? NC500?
Click to expand...
3x NC500
3ch Purifi
3ch NC5xxMP
 
pfgiv said:
No issues gain matching between purifi and hypex?
Click to expand...
It would depend on the implementation by the brand you choose. As an example, I made sure that one of the gain settings that can be used on my Purifi builds matches with the Hypex modules.
 
pfgiv said:
I purchased this too, still haven’t opened it yet. Waiting for Avm70 8k to arrive.

I’m using this for the surrounds, rear surrounds and atmos, and I need to get a 3 channel or 3 monoblocks (I have 3 outlaw 2200s for the time being but want to get a hypex or purifi amp).

Suggestions for something to match the monoprice? NC500?
Click to expand...
Not sure which versions you have but ASR tested the Outlaw 2200 and found them to be solid and made Amir's recommended list. https://www.audiosciencereview.com/...outlaw-2220-review-monoblock-amplifier.31520/
They were also on my "short list" but like a one box solution and won't be going past 5.2.2 anytime soon.
 
For anyone interested in the 8125 but missed out on their recent sale price of 1699, the monoprice eBay store is selling it for $1444.15. Not sure how long this price will last. You can also use a cash back site for further savings.

m8125x
 
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