QSC Audio RMX-850 Professional 2-Channel Rack Mountable Power Amplifier TESTED

QSC Audio RMX-850 Professional 2-Channel Rack Mountable Power Amplifier TESTED. This comes from my own PA system and was used to run onstage monitoring before I went to in-ear. 200 Watts per channel driven into 8 Ohms, 300 Watts (4 Ohms), 430 Watts (2 Ohms), 850 Watts Bridged. Please see pictures for cosmetic condition.

Below is a little writeup that was on the internet about it. The QSC Audio RMX 850 Power Amplifier stereo power amplifier provides clean, dynamic power, reliability and true studio-quality sound.. The amplifier is packed full of professional features that increase performance and flexibility. The power supply is the heart of any amplifier, converting raw AC power from the wall to clean DC for the audio circuitry. The RMX 850 uses a powerful high-current toroidal transformer and ample filter capacitance to ensure generous energy reserves.

This makes a critical difference in sound quality, allowing the amplifier to effortlessly punch out high level transients, even when driving abusive 2 ohm speaker loads. A full complementary output circuit using the highest-grade linear output devices delivers ultra-low distortion and a ruler-flat frequency response. The output devices are direct-mounted to the heat sink for optimum thermal coupling and cooling.

Independent, defeatable clip limiters reduce distortion without sacrificing peak performance. Selectable low-frequency filters boost system response, protect speakers and ensure low-end tightness by more precisely matching the amplifier's range to the loudspeakers. The RMX 850 provides barrier strip, XLR and 1/4 balanced inputs, plus Speakon and binding post outputs for easy connections. Low-noise variable speed fans with rear-to-front airflow keep the amplifier and rack cool. A high output rack-mountable (2RU) 2-channel power amplifier with stereo/parallel/bridged mono modes. Fully selectable low-frequency filtering with a choice of 30 or 50Hz roll-off.

Front panel LED indicators for signal and clip. Full short circuit, open circuit, thermal, ultrasonic and RF protection. Full-flow thermal design exhaust at the front, drawing cool air into the rack instead of waste heat (unit also has low-noise variable speed fans).

Surface Mount Technology aids compact design. Barrier strip, XLR, and 1/4 balanced inputs. Speakon and binding post outputs. We check our items twice!!!

Photos shown in this listing are of the actual item for sale. NO STOCK PHOTOS USED unless otherwise stated. Please have a look at the pictures for the cosmetic condition.

I take lots of pictures so you can see cosmetics. Use the zoom function and have a good look. It is impossible to describe every scratch, scuff or mark. So take a good look. That is what they are there for.

We check and describe the as much of the functionality as we can. If not Fully tested, then items are not tested to the full extent and may have something wrong that I have not discovered.

If Fully tested then that is what they are. In photographs we occasionally use props to display items in the best light possible.

These props, like my white board, lighting, My Beautiful Wife (she is occasionally caught in the photos), kitchen table, Train track, boxes, my left or right hand are not including unless otherwise stated in the listing. Sorry for you having to read this but you would be surprised how many people think the items come with my table or a part of my anatomy and/or my Wife's legs that I have accidentally caught on camera. If it does not say base, stand, table, in either the main body of the description or title... Then they are NOT included in the sale. All our items, including changeable parts like bulbs, Vacuum Tubes, circuit boards, internal parts etc.

We have them hidden throughout our items, including internal parts. I do not Sell Just Passable Vacuum Tubes. Low and weak tubes are unceremoniously thrown in the nearest trash can, unless they are collectors Items.

When using the word "Matched" it means in test results rather than in cosmetic looks. Whilst I endeavor to put tubes together from the same year and look the same, this is not always the case. I may have the same tube but from differing years matched up in test results, which means they may cosmetically or internally look a little different..

The numbers/letters in parentheses are Equivalents put in to help people to find the correct tube. If it does not say MATCHED then please do not consider them to be such. I use a TV7/U military spec Tester which is calibrated.

I have 4 of these machines and all display a slightly differing value if I test the same tube, as two testers are never the same. So this shows what I get, and what you get may be slightly different. So all test results are a guide only. I also use a Hickok 752 /800/600 or Amplitrex AT1000 for testing.

All tubes have passed the Gas and short tests. Rectifiers and Diode tubes do not have Transconductance values. IF YOU'RE UNHAPPY WITH AN ITEM.. I make mistakes once in a while. I try to resolve any issue to both our best interests.

Take plenty of pictures and send them to us as this helps alot. I think it is only fair to ask the carrier responsible for the damage to pay for it. Please be patient enough for this process.

Regardless of the origin of the equipment, documentation provided or identification appearing upon the equipment, the equipment described and offered here is in no way certified for, recommended for, or offered for any specific use. International Buyers - Please Note.

For some countries please check you local countries Web site. We do not mark merchandise values below value or mark items as'gifts','demos', etc. US and International government regulations prohibit such behavior. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Amplifiers". The seller is "harli160" and is located in this country: US. This item can be shipped worldwide.

Model: QSC Audio RMX850
Brand: QSC
Type: Power Amplifier
Number of Channels: 2
Color: Black
Features: Rack Mountable