Question about QSC GX3 Amplifier

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Channel two green signal ligth is faint on qsc gx3

Posted by Anonymous on

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4 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

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Kuwagata
  • 181 Answers

SOURCE: My QSC GX3 has a red light that turned on (on the

You should check the speaker set, maybe it's short circuit.
Try remove the speaker set from the unit, than switch on the amplifier again, if the red light still on, surely the final drive is damages( Transistors or IC's).
Replace it with new ones.

Posted on Oct 18, 2009

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  • 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

  • 483 Answers

SOURCE: what kind a outputs transistor use a QSC Gx3 power Amp

Hi,
this power amp uses 2SA1962 and 2SC5242 output transistors. You can download the schematic diagram from this website.
Thanks.
gylacz

Posted on May 11, 2012

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1 Answer

Red light stay on no sound


Check for shorted speakers, if ok check output transistors for short

Dec 24, 2013 | QSC GX3 Amplifier

1 Answer

What kind a outputs transistor use a QSC Gx3 power Amp


Hi,
this power amp uses 2SA1962 and 2SC5242 output transistors. You can download the schematic diagram from this website.
Thanks.
gylacz

May 10, 2012 | QSC GX3 Amplifier

1 Answer

How do I bridge my QSC GX 3 amp to run one speaker cabinet?


For QSC amps the GX series are not bridgeable. You will have to run one speaker to each channel.

Mar 22, 2011 | QSC GX3 Amplifier

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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

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

My QSC GX3 has a red light that turned on (on the front panel). The channel is not working. Is this a fuse or something else?


You should check the speaker set, maybe it's short circuit.
Try remove the speaker set from the unit, than switch on the amplifier again, if the red light still on, surely the final drive is damages( Transistors or IC's).
Replace it with new ones.

Oct 18, 2009 | QSC MX1500A 2-Channel Amplifier

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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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The weaker signal caused by leaky capacitor and change value resistor is need to replaced with a new one so it's works normal again. Your tech did is re soldering the cold solder he did not replaced some defected parts.

Hope it may help you;

Regards;
VOTIT

Jan 07, 2009 | QSC MX1500A 2-Channel Amplifier

3 Answers

Long startup


There is a bad connection in the other channel or the speaker relay has a bad contact in it.

Sep 30, 2006 | QSC MX1500A 2-Channel Amplifier

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