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Monoprice Monolight Multi-Channel Power Amplifier w/ XLR: M8250x 8x200W-Channel Home Theater $2149.99 or M8125x 8x100W-Channel Home Theater $1699 + Free Shipping via Monoprice

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Model: Monolith by Monoprice M8125x 8x100 Watts Per Channel Class-D Multi-Channel Home Theater Power Amplifier with XLR Inputs Hypex NC252MP

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Joined Jul 2007
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> bubble2 233 Posts
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DMBWings29
09-28-2022 at 02:17 PM.
09-28-2022 at 02:17 PM.
I wish there were more reviews of the 8250
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Joined Oct 2009
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> bubble2 1,723 Posts
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ti97
09-28-2022 at 02:29 PM.
09-28-2022 at 02:29 PM.
It's interesting power configuration in the back. 2x 120V plugs for 2400W, then you need 2 separate circuits to power it. Definitely need electrician to run another circuit to your home theater for the 2nd circuit.
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> bubble2 9,245 Posts
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JimBanville
09-28-2022 at 02:34 PM.
09-28-2022 at 02:34 PM.
Just don't expect "better" sounding audio from this if your currently using a decent avr from Denon/Onkyo/Yamaha/etc with no issues.
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K_Rock
09-28-2022 at 03:48 PM.
09-28-2022 at 03:48 PM.
Quote from ti97 :
It's interesting power configuration in the back. 2x 120V plugs for 2400W, then you need 2 separate circuits to power it. Definitely need electrician to run another circuit to your home theater for the 2nd circuit.

An answer from the Q&A- thought it was interesting.

Based on testing, at full power from all 8 channels into 8ohms the amp draws ~23 Amps total from the 120VAC wall. To get to the 4ohm spec we claim, 400W, on all 8 channels we need to double that current, ~46Amps. One 20A/16A rated inlet would not handle that current. Also based on the Hypex datasheet, the NC502MP power consumption at full power is 1.2kW per module. With 4 modules in the chassis, we would need a connector to handle 4.8kW. At 120VAC line voltage, that would need to handle 40Amps.
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Joined Aug 2017
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> bubble2 154 Posts
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dharans
09-28-2022 at 03:50 PM.
09-28-2022 at 03:50 PM.
Quote from JimBanville :
Just don't expect "better" sounding audio from this if your currently using a decent avr from Denon/Onkyo/Yamaha/etc with no issues.
I have wondered the same. But then why would extremely educated and experienced music and theater lovers plunk down 5 times the cost of an integrated AVR to purchase separates like this? If it doesnt sound better then what is the purpose? Loudness? Any volume over 80dB for more than 20 minutes will likely lead to hearing damage...
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> bubble2 235 Posts
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amarali
09-28-2022 at 04:30 PM.
09-28-2022 at 04:30 PM.
Quote from ti97 :
It's interesting power configuration in the back. 2x 120V plugs for 2400W, then you need 2 separate circuits to power it. Definitely need electrician to run another circuit to your home theater for the 2nd circuit.

You would only need another circuit if you plan on running all 8 channels at 200w at the same time. It'll never happen. A single 20 amp circuit will work fine.
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VenkatY
09-29-2022 at 05:46 AM.
09-29-2022 at 05:46 AM.
Quote from dharans :
I have wondered the same. But then why would extremely educated and experienced music and theater lovers plunk down 5 times the cost of an integrated AVR to purchase separates like this? If it doesnt sound better then what is the purpose? Loudness? Any volume over 80dB for more than 20 minutes will likely lead to hearing damage...
It depends on the speakers and their load, speaker configuration ( atmos), room size etc. I would generally go with receiver with all latest bells and whistles ( latest hdmi) and as needed add additional amp for the front and center speakers. Receivers become obsolete every few years whereas external amplifiers and speakers have more life-time. Well, My previous Anthem receiver is sitting in my storage.
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Joined Jun 2010
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> bubble2 419 Posts
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coolerking101
09-29-2022 at 06:07 AM.

Our community has rated this post as helpful. If you agree, why not thank coolerking101

09-29-2022 at 06:07 AM.
Quote from dharans :
I have wondered the same. But then why would extremely educated and experienced music and theater lovers plunk down 5 times the cost of an integrated AVR to purchase separates like this? If it doesnt sound better then what is the purpose? Loudness? Any volume over 80dB for more than 20 minutes will likely lead to hearing damage...
Do most people need a separate amp? Of course not. However, an amp will realistically last you a decade or more. As VenkatY notes, many people switch out their pre/pro or dac several times over that time period. Additionally, some speakers require a significant amount of power that most integrated amps don't typically provide. Notably, the speakers with those power requirements often cost 5 figures....so cost isn't exactly an issue for these folks.

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Joined Jun 2015
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> bubble2 172 Posts
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KonradU
09-29-2022 at 06:24 AM.
09-29-2022 at 06:24 AM.
Anybody have a decent experience with Monoprice support? I bought a turntable from them and a simple question turned real weird. I had used them for years without any problem.
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Joined Apr 2006
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> bubble2 717 Posts
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kalexan9
09-29-2022 at 06:30 AM.
09-29-2022 at 06:30 AM.
Quote from JimBanville :
Just don't expect "better" sounding audio from this if your currently using a decent avr from Denon/Onkyo/Yamaha/etc with no issues.
This. So true.
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> bubble2 2,807 Posts
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AGpennypacker
09-29-2022 at 06:30 AM.
09-29-2022 at 06:30 AM.
Quote from VenkatY :
It depends on the speakers and their load, speaker configuration ( atmos), room size etc. I would generally go with receiver with all latest bells and whistles ( latest hdmi) and as needed add additional amp for the front and center speakers. Receivers become obsolete every few years whereas external amplifiers and speakers have more life-time. Well, My previous Anthem receiver is sitting in my storage.

Interesting so at what price point for receiver do you find that is easy to get outputs that go to one of these amps? For instance I have a onkyo 676 right now, would I just use speaker to XLR adapter? Thanks
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Joined Dec 2012
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> bubble2 9,245 Posts
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JimBanville
09-29-2022 at 07:12 AM.
09-29-2022 at 07:12 AM.
Quote from AGpennypacker :
Interesting so at what price point for receiver do you find that is easy to get outputs that go to one of these amps? For instance I have a onkyo 676 right now, would I just use speaker to XLR adapter? Thanks

Sorry if I missed it, why do you need more power than an avr can provide on its own?

You generally only need more power if you're driving low impedance or low efficiency speakers in a very large room at reference level, which itself is uncomfortably loud to most people.
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> bubble2 58 Posts
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Check4me
09-29-2022 at 07:21 AM.
09-29-2022 at 07:21 AM.
What's so special about this amplifier as compared to others? Curious to know as it's highly priced
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Joined Feb 2009
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> bubble2 2,807 Posts
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AGpennypacker
09-29-2022 at 07:38 AM.
09-29-2022 at 07:38 AM.
Quote from JimBanville :
Sorry if I missed it, why do you need more power than an avr can provide on its own?

You generally only need more power if you're driving low impedance or low efficiency speakers in a very large room at reference level, which itself is uncomfortably loud to most people.

I don't think I do, but I was curious how the setup goes. Do they buy a receiver with XLR outputs or a lower end but with all the current atmos etc and use speaker wire to XLR.

Just wanting to learn how they use something like this.
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