Question about QSC MX1500A 2-Channel Amplifier

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My QSC MX 700 Professional stereo amp is more noisy than it was before. How can I fix it?

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4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

barbu51
  • 566 Answers

SOURCE: Question similar to ...connect to home theater...

Hi
I work with these amplifiers every day and i can tell you that they not made with quietness in mind.
They are mainly used in a club/disco environment and often mounted in a equipment rack hidden in a closet. Excellent/tough amplifiers if you want power and clean sound ,but
You may find their noise level uncomfortable in a living room.
Hope this help Merry Christmas

Posted on Dec 21, 2009

Testimonial: "Great answer...! Right on the money. Thanks!!!"

  • 166 Answers

SOURCE: qsc mx 2000a left channel go into protek mode

Does it do it with nothing connected to the inputs and outputs? If yes, something internal.. anything loose in there (is it moved alot and something could have fallen inside of it)

Posted on Mar 28, 2010

petraman7
  • 1175 Answers

SOURCE: how can i get my qsc mx 3000 fix i think there is

Closest place

AV Technology Panama Corp.
Edificio Met 1 piso 8
Calle 74 San Francisco
Panama City
Bahamas

Posted on Apr 19, 2010

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1 Answer

I need help setting-up my sound system with following equipment listed below:


Wow....what you have here is a total system design. I really feel you need to get a professional in your area to help you out. There has to be a buddy of yours that knows enough to help out. There are just way too many variables in this that are unanswered. Amp channels, amp output, speaker impedance, other equipment needing balanced or unbalanced, type of jacks, stereo/mono, length of runs, power requirements. It would take me hours to look up the specs of your equip, a couple hours to design and hours of questions back and forth. At best if you let me know where you are I may be able to set you up with someone local to your area.

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Not putting out sound fan on light on


Hello,

A common issue with the QSC RMX series amp is faulty volume pots, so i would recommend go this way first of all, let me know a bit more to improve help.

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Qsc mx 700 keeps blowing fuses after replacing all transistors with replacement parts not original


Have you replaced the IC , Q2 and Q2?

• Check the Differential Inputs ( IC1 ) and sorrounding components


• Check the Driver Stages


additional guides or suggestions:

Cross wired speakers and blown power transistor.



Beware also of counterfeit Power Transistors

Aug 05, 2012 | Audio Players & Recorders

1 Answer

I have the QSC PLX3602 connect from dbx pa as bridge mono to the sub woofer jbl mrx518. It works well. But now when I change it as stereo to the main jbl mrx515, I only hear the bass sound, no more...


Hi,

I don't think that there's anything wrong with the amp.
I'll think you're using a x-over, connected to the low-output.

Just a shot,
Gerard

May 10, 2011 | QSC PLX3602

1 Answer

How can i get my qsc mx 3000 fix i think there is a problem with one of the pre amp IC or board


Closest place

AV Technology Panama Corp.
Edificio Met 1 piso 8
Calle 74 San Francisco
Panama City
Bahamas

Apr 15, 2010 | QSC Audio Players & Recorders

1 Answer

Qsc mx 2000a left channel go into protek mode


Does it do it with nothing connected to the inputs and outputs? If yes, something internal.. anything loose in there (is it moved alot and something could have fallen inside of it)

Mar 28, 2010 | QSC MX1500A 2-Channel Amplifier

1 Answer

Question similar to ...connect to home theater... What kind of fan noise do these amps (QSC MX 1500a) have if using in a home theater or stereo system in the typical room?


Hi
I work with these amplifiers every day and i can tell you that they not made with quietness in mind.
They are mainly used in a club/disco environment and often mounted in a equipment rack hidden in a closet. Excellent/tough amplifiers if you want power and clean sound ,but
You may find their noise level uncomfortable in a living room.
Hope this help Merry Christmas

Dec 21, 2009 | QSC MX1500A 2-Channel Amplifier

2 Answers

Because one side of the amp lights up red and the other green


One side is in protect if your wired in stereo.The other side is working fine.You have to take that to an experienced electronics technichan that deals with pro audio.It will cost you 40+ dollars for a diagnosis but that amp is probably dead.I would suggest save up for a crown or qsc amp.

RAD

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QSC ISA 280 Stereo Power Amp stopped working


This is a very precise questions as QSC amp are pretty rare and high end electronics equipment. There is no way getting an answer other than getting the amp at a sound shop for repair, wich might go for a visit at QSC anyway. From a sound shop repairman...

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Yamaha R-700 Natural Sound Stereo Receiver won't turn on.


My stereo receiver aiwa MX-NH2000 can not turn on. It has standby.

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