Question about QSC MX1500A 2-Channel Amplifier

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One channel of my Qsc rmx 2450 power amplifier keeps cliping

When clip it does the the speakers are on and off

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  • 243 Answers

Check speaker impedance as starting point.

Posted on Nov 08, 2013

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davesoucy
  • 148 Answers

SOURCE: 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...

Posted on Sep 08, 2009

  • 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

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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My kicker ZR240has power but no sound what can I do


Check your connection, and make sure it is not dirty, overheating will cause it to cut out.

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How do i set the switches on a qsc rmx 1450 power amplifier


All off, except The "Clip Limiter" Those should be on for your speaker protection.

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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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1 Answer

Amp 5050 rmx stay in clip mode


Disconnect speakers. With NO input, if clip light remains on, take in for repair as there is an internal failure. If reducing the gain and loudness keeps the clip off, then you are probably driving the amp too hard. This is common problem when the user "thinks" they need it louder but the amp speaker combination will not deliver louder. At this point, both the amp and the speakers are at risk of permanent damage requiring repair.

Sep 22, 2011 | Qsc Plx-2502 450w Per-Ch. 8 Ohms Amplifr...

1 Answer

My amps stays in the clip mode where as the light on the two channel stays red


http://www.retrevo.com/support/QSC-RMX-4050HD-Amps-manual/id/23107ci658/t/2/

Page 7...

CLIP: red, to the left of each Gain control.

Normal indication: illuminates whenever the amplifier is driven beyond full power. The LED's brightness indicates the amount of distortion. Distortion that causes only brief flashing may not be audible.

During muting, the indicator fully illuminates. This occurs during normal "On-Off" muting.

Abnormal indication:

•Bright red illumination while the amp is being used indicates either thermal muting or a shorted output.

•If the amplifier overheats, the fan will run at full speed, and operation should resume within one minute. Allow the fan to run, and make sure the amplifier ventilation is adequate.

•A shorted or overloaded output circuit will cause excessive Clip flashing and possible overheating.

•If distortion is audible without a Clip indication, the problem is either before or after the amplifier. Check for damaged speakers or overloaded signal source. The amplifier Gain control should be in the upper half of its range to prevent input overload.

Jan 29, 2011 | QSC RMX 4050HD 2Channel Amplifier

1 Answer

Please, send me a circuit diagram of QSC(RMX 2450) AMPLIFIER if you have.


hi,
its with me. if u need the same contact me on my mail.
ajingopakumar@yahoo.co.in
ok

Jan 28, 2011 | Peavey SP2 PA Passive Speaker

1 Answer

Im a dj and i keep blowing one channel on my amp it has happened on a 3 differant amps now


Hi.

Check speaker wiring. An amp final channel usually blows because of excessive draw from speakers. This often happens because one of the speaker is shorted inside or because of a wiring problem.
Also ensure that speakers are responding to specifications. Speakers that are out of the amp Ohms range will do the same thing in a while.

Naturally you can also blow an amp final by pumping volume to the max for a while. The transistors or the STK ICs in the final section will overheat and blow.

Regards.

Ginko.

May 30, 2010 | QSC RMX-850 POWER AMPLIFIER Car Audio...

1 Answer

Soon as i turn on my QSC RMX2450 the clip light comes on for Ch 2


Sounds like an output going bad. Try to get some electronic contact cleaner and spraying on the circuit board. If its corroded this will help clean the circuit..

Sep 07, 2009 | QSC RMX-2450 Car Audio Amplifier

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QSC 2450 Power amplifier


i have a pyle pro 1000 watt max 2 channel mono and 2 channel stereo and when i get that thing loud the little red light cums on basically what i mean is that the amp on channel one is cooked i myself i wouldn't even use it y cause more damage

Apr 03, 2008 | QSC RMX-2450 Car Audio Amplifier

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