A mystery for you tech gurus out there


Hi all -

I am stumped, to say the least, at what could be going on with my home theatre system. My equipment hooked up is:

-Denon 1913-AVR receiver
-Dual CS7000 (Golden one) turntable (grounded to a casing screw on the receiver case)
-Marantz 5 disc CD changer
-Front speakers: Paradigm studio 60 v1
-Center and surrounds: Sony
-Klipsch subwoofer
-Panasonic plasma TV

So the issue revolves around the front Paradigm Studio 60s. Whichever one is plugged into the FRONT LEFT speaker output on the receiver emits an occasional, loud pop. Usually the pop comes in bursts, and sounds almost like a fireworks show would with a succession of airy-sounding, concussive pops.

I thought it was my receiver (I originally had a Denon 1911-AVR giving me the same issue) and recently got the 1913, and the issue persisted. I have tried using new speaker wire as well. The part that I cant figure out is when i go behind the receiver and switch the 2 front speakers around so that the speaker that was right is now left and vice versa, the popping now comes out of the right sided speaker which is now plugged into the FRONT LEFT output.

How can this be? Any thoughts or ideas?
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snwbrdrcol

Showing 2 responses by davehrab

I agree with Zydo about the source's as the popping occurs at any and all inputs ... also agree with Zydo that it isn’t the speakers as the popping stays with the amp's output and does not follow the speaker

I even think your receiver is OK ...

What I think is causing the popping is that amp’s channel is not balanced correctly to the other channels and is putting out a little more power than the rest of the channels ... causing that channel to clip on peaks

This is causing the ...
"occasional, loud pop. Usually the pop comes in bursts, and sounds almost like a fireworks show would with a succession of airy-sounding, concussive pops".
... you are experiencing because the input to that amp is set to high relative to the others amp's inputs in the set up menu

Try turning the main volume down 20% and see if the popping continues ... if it stops then that amp is clipping and needs to be readjusted in the menu ... if the popping continues even at the much lower volume ... I would suspect an issue with the receiver

Maximum capacity is a rating ... not a challenge

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Sandstone ... this is what qued me
-Denon 1913-AVR receiver
It's a HT receiver not 2 channel receiver and requires balancing of input signal to all channels including sub for balanced response

Turn one channel’s input up a little to much in relation to the others and it will clip before the others

OP descript sounded like clipping to me

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