JBL New Jbl Prx512m 12 Powered Monitor Speaker Prx 512 Logo

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Posted on Aug 06, 2011
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My JBL plays but it cuts the play back frequently like it plays and stops, plays and stops, plays and stops so on .Whats the problem. Please help

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  • Anonymous Apr 16, 2012

    Does it stay on yet it stops making sound? Does it it completely shut off, as if the power was being unplugged?

    If it stays on:
    *Check the signal source. Is there a bad cable from the source to the amp?
    *Does the source/mixer have a bad jack?

    If it shuts off:
    *Make sure the AC cable is secure and not rattling loose when it makes sound
    *Make sure it's not being over driven/clipped (limit light stays on constantly - it should stay off most of the time)
    *Is the unit overheating? Don't block the amp panel as it is the main heat sink. Consider putting a small fan to cool the heat sink

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Fred Yearian

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  • JBL Master 5,603 Answers
  • Posted on Aug 06, 2011
Fred Yearian
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Until this is fixed, I would not use it or you may blow up a speaker... Make sure you check that you are using BALANCED audio interconnect cables, either XLR or TRS balanced cables AND that ALL interconnected equipment is poowered by the SAME receptacle... yes you have to run extension cords, but the pro's do it to avoid ground bounce damage to their equipment. Use ONLY three wire power cords.

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How to play my acoustic guitar on my my jbl avr134 home sound system it does have a amplifier I want the steps for it plzz

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