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Denon pma-520 i've a problem with my amp it's that the right speakers output is lower than the left one in both speaker A and speakers B please tell me what to do i tried to change cables but no effect then finally i knew that there is a problem with the amp itself

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If you understand electronics then work backwards from the speaker outputs to the imputs. You need to make the channel buzz by touching the circuit, you can use a small screwdriver. Best of all is a signal injector, you can buy one at a electrical service shop (Maplin UK) they can be cheap for a very simple one.
Compare the results with the good channel. When the sound gets weak you have located the area in which the fault lies.
If not then off to the repair shop.

Posted on Jan 27, 2009

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LOST LEFT FRONT SPEAKER AND CENTER SPEAKER


Check all connections and the balance settings. (Left / right/centre) If these are ok, the output system on the amp has probably failed. Denon are a good unit. See if there is an Agent or Amp specialist nearby that you can take it to.

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hi there,

have you check the system settings for each of the speaker..? should be set and balance all output of the speaker

`jack

May 24, 2008 | Audio Players & Recorders

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How can I connect a subwoofer to this device (denon pma-520) http://www.hifiengine.com/manual_library/denon/pma-520.shtml?destination=node%2F14208


Look around for a subwoofer which has speaker level inputs.
Something like this;
https://www.parts-express.com/dayton-audio-sub-1000-10-100-watt-powered-subwoofer--300-628

Jun 08, 2014 | Denon Pma-520 Integrated Stereo Amp...

1 Answer

How can I connect a subwoofer to this device (denon pma-520) http://www.hifiengine.com/manual_library/denon/pma-520.shtml?destination=node%2F14208


The only safe way to do this us to connect the sub to one of the other speaker outputs using a "speaker selector" switch. For example, you would go out of the receivers left speaker output, into the selector switch then out of the selector switch into the sub and the left speaker. There really is no other way.

Jun 08, 2014 | Denon Pma-520 Integrated Stereo Amp...

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I have a Denon PMA 500V amplifier. all of the output fuses were blown so I replaced them but the unit still doesn't work. Any suggestions?


hi.
Did you checked balanced impedance?load speaker impedance vs PA output?or PA might over driven,causing a trouble on the pre-amp to power amp circuits and components damage,
need to recheck related components on the pre-driver up to main output section,

Note: That,blowing of fuses with the same rating is an indication of trouble/shorted in a circuits that driven on it,

Thanks and good luck

microhit

Jun 01, 2011 | Denon PMA-2000R 2-Channel Amplifier

1 Answer

I have a denon pma 500v amp, has distortion in right channel, both speaker output and headphones, what should i check for first?


Just have a look around first. Remember the left channel will be the same as the right, so if it doesn't look the same in the right as the left you have the cause of the problem. Resistors are good at causing it, but transistors can too.

Nov 27, 2010 | Denon Audio Players & Recorders

2 Answers

Hi , I have a denon pma-2000r amp in it stuck in stand by mode, i don't have original remote control, is it possible to turn it on without remote control or reset to factory settings? Many thanks!


That model shouldnt be stuck in stand-by
Are all the speakers connected?
If it wont properly turn on then there is a fault being detected. Could be disconnected speakers / bad speaker or a power supply issue

Nov 01, 2010 | Denon PMA-2000 IV R 2-Channel Amplifier

2 Answers

I have a Denon AVR587 running in 7.1. I have an unusual problem as the rear channels seem to play all sounds at a higher pitch and lower volume than all the other speakers on the system. I am using a voice...


Hey ajn1n1 we need to fine where the tinnyness is coming from Lets do a test shall we,

hook up your voice matched polks to your front left and right speaker outputs on your amp to see how they sound as mains. if you hear tinny then its the speakers. sometimes speaker need to be broken in a bit.

hook up your main front left and right speakers to your rear outputs. if you hear the tinnyness then its the output of that channel on the amp or a setting. Newer amps let you change speaker sizes in the menu so that it can change over the crossover for that channel.

Dec 11, 2009 | Denon AVR-587

2 Answers

Denon PMA-520 amplifier clicking noise


Sounds to me like a bad capacitor, but not sure. I would look inside for any slightly bulging capacitors or capacitors whose plastic wrappings have melted or shrunk or cracked (most caps are cylindrical). Please unplug first and be careful inside there and do not touch anything. I actually came across your post while looking for info on what I think is the same amp my brothers had but blew, and I was going to ask if they still had it so I could repair it. I've been very successful at repairing my electronic equipment such as Altec Lansing Model 95 speaker crossovers, power supply in Emu Emax II, and almost everything else in my studio.

Sep 20, 2009 | Audio Players & Recorders

1 Answer

DENON PMA520 Amp. Suspect left channel not working as set bias to all left and get nothing out of left speaker. Right speaker working. Tried interchanging speaker connections and get same result from...


you have malefunction in your left output stage-but can i ask you did you forget to press left speaker button in your amp (if you have one in your amp).

Jul 27, 2008 | Denon Audio Players & Recorders

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