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Qsc power amp clip light stay on ,and no signal

Clip light is on at power up ,no signal ,no sound,power light is on

Posted by Anonymous on

4 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

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

  • 118 Answers

SOURCE: Quiet Amp

sounds like you need a preamp. i would need more info to be sure. good luck

Posted on Feb 11, 2010

dunnbiker
  • 8546 Answers

SOURCE: my amps stays in the clip mode where as the light

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.

Posted on Jan 30, 2011

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1 Answer

When first turned on the left clip led is illuminated-no sound


Try spraying it with contect electric cleaner it worked for my amps

May 19, 2012 | QSC GX5 2Channel Amplifier

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...

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Limiter light stays on with no sound. powers up fine but again the red limiter light stays on and no sound.


The power amp is likely blown. The limiter also indicates when the amp is out of DC balance.

May 14, 2011 | QSC HPR 153

1 Answer

One channel's red led is always on and no sound


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/QSC-GX3-Amps-manual/id/23107ag606/t/2/

See 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

Mar 17, 2011 | QSC GX3 Amplifier

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

2 Answers

Clip light


It sounds like one side of the power amp has shorted. May be hazardous to the speaker so best take it to a shop for repair. If speaker stills sounds OK, probably the clip detector transistors have failed.

Nov 08, 2009 | Behringer Eurolive B212A Speaker

1 Answer

How to turn off the clip light is on red it does not turn off?


You can't, the clip light is just that...the signal is being clipped/distorted and the clip light comes on to protect the amp/speakers from blowing. You need to check your signal and then cables and wiring to see where the problem lies, chances are your volume is too high and your over working your amp....(turning the volume too high when the amp doesn't put out enough power for your speakers and this distorts the signal causing it to clip)...Try turnig the amp down, should not be any higher then 1/2-3/4 of the way never max. And if that doesn't work check your signal from the radio as well. If it works fine with the volume down and doesn't clip then your amp is too small for your needs and your need to invest in a larger amp for more power...Look for RMS watt ratings at 12-14 volts not max watts at like 16-18volts (those are fictious #'s and those amps should be avoided)

Nov 02, 2009 | Crest Audio CA9 Car Audio Amplifier

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

2 Answers

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...

Sep 07, 2009 | QSC ISA 300Ti Amplifier

1 Answer

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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