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I have a dual X PR 520 2 channel amplifier that I've replaced 3 times due to this problem it works fine plays nice but after about a month or two it'll start making a popping noise from the speaker not long after that it'll sound like the speakers blown when in fact is not everything is at the professionally and correct and the amp is adjusted properly what else could be the issue?

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Speaker makes a popping sound when car starts

may be the antenna jack such is connected in cassete is n't good

Posted on Jul 09, 2007

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SOURCE: Amp Power light will not go on. Protection light is lit- Thump sound in speakers

It probably has shorted output transistors. To eliminate other possible causes, read through the following page.

Amplifier in Protect Mode - Troubleshooting

Let me know if you have any other questions.

Posted on Nov 02, 2008

  • 899 Answers

SOURCE: Carver Sound Problems

your going to need this place to download the remedy's for your system http://www.euras.com/repair_tips_1/CARVER/AV505/AV505_CARVER.htm

if it is not working then there is another serious problem , and it could be the amp IC or the volume IC but tests will need to be done to determine what is causing the failure , but it does sound like amp IC as a suspect since the rear were not even working , did the volume seem different when turning it up or down before the center quit or after the center quit?

Posted on Nov 03, 2008

blueextc3221
  • 15935 Answers

SOURCE: ICBM-DIGITAL MONO-Channel 2000W AMPLIFIER speaker much

Look into competition lines of different manufacturers.... Massive Audio DMX, Soundstream, Atomic APX, Incriminator Audio Death Penalty Series, Kicker Solo X etc. In car audio, you have to pay to play. Dont expect a 100.00 subwoofer to take 2000W continuously.
Massive Audio offers a no questions asked warranty. Even covers blown voicecoils!

Posted on Dec 22, 2008

SuperTech-11
  • 1591 Answers

SOURCE: When i am turning the power on at. channel 1 for a

Pictures would help a lot (of the circuit board)
You're lucky, you have a whole channel for reference!
This means we can troubleshoot by metering points at channel A and cross referencing them with what's happening on channel B (You'll need a multimeter and SOME skill, as well as a soldering iron, solder, desoldering braid and/or a desoldering pump)

When we find something that's way out of spec, we know we've found the issue, or at least something connected to the issue.
If you have an oscilloscope, we can trace the signal to the point that it stops.
If not, as I said, metering mirrored points should lead to the issue.

Posted on Apr 09, 2011

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Ok this problem is killing me...


maybe the speaker is bad

First try one thing, switch the rca jacks around and see if the other speaker stops working this time.

If so the problem is in the rca jack or head unit.

If the same speaker is still not working, the problem will be the speaker, you will have no other options left since you changed amplifiers and checked all wiring.

Let me know if this helps you

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Product Details and Features PLX-520
Key Features
Amplifier Type grayquestion.gif Dual Channel Bridgable grayquestion.gif Bridgable RMS Power at 2 Ohms 400 W x 2
Performance
Frequency Response 10 Hz - 50000 Hz Signal to Noise Ratio grayquestion.gif 102 dB THD at Rated RMS Power 0.01 %
Crossover / Equalizer
Bass Boost grayquestion.gif With Bass Boost Low - Pass Frequency 50 Hz - 120 Hz High - Pass Frequency 80 Hz - 800 Hz
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MOSFET Circuitry Yes 3 Way Ready Yes
Dimensions
Width 10.4 in. Depth 17.7 in. Height 2 in. ..This is what I found for logic soundlab PLX-520 Amplifier, hope its what you were looking for. Don't forget to rate answers.

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