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I have a Denon AVC 3030. In pro logic mode it makes a rumbling through my right and left speakers. During quiet parts of movies it is quite annoying. I know it's old but I really like it.

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  • robbvii Apr 26, 2008

    It goes up with the volume. When there is no action it sounds like someone tapping morris code into a microphone. Or like someone standing in the wind with a microphone.

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If what you mean is a low humming sound when the volume is turned down to minimum level, this is usually from power supply filtering problems. Most of the time this is from the electrolytic filter capacitors going out of spec with age and use, and or voltage retulation problems.

If the sound is quiet with the volume turned down, and the hum or buzz increases with the increase of the volume control, this is usualy due to a ground loop problem between the associated equipment connected to the amplifier, or a bad interconnect cable.


Jerry G.

Posted on Apr 26, 2008

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All the speaker outlets seem to work fine, except the fronts, all will work, but if i plug the fronts in, all the sound then tends to just fade away, and then i have nothing, no sound. i can't figure...


I would:
1- First make sure you are properly testing using a reliable source, such as a CD Player or itunes. 2- Make sure the Listening Preset is not on Dolby Pro Logic. Make sure it is on Stereo mode and see if the problem persists.
What usually happens is that when listening to 2ch (Left and Right) Audio such as Television or Music and Dolby Pro Logic is on as a preset, Dolby Pro Logic analyzes both Stereo tracks, tries to detect the voices (center channel), ambient sounds (surround and fronts) and processes the signals into a 5.1 or 6.1 System. You tend to get a fading effect when Dolby Pro Logic is selected and listening to an old VHS, DVD or even music.
To remove a preset, make sure you select the Stereo button at the bottom left of the remote to pan through the options.
Hope this helps

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1 Answer

Denon avc-3020 amplifier, both rear speakers play the same sound, sounds from the left also play through the right rear speaker and vice versa


You really need to read the manual and maybe physically rearrange your speakers for that left / right swap thing. Back Surrounds (if that's what you meant) frequently are the same unless the origianl program material has 7.1 sound.

How did the Test Tones fare?

http://www.user-manuals.com/user-manual-DENON-AVC3020.html

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1 Answer

Back ground music louder than voices watching movies on cable


Is this a new problem or always like this? <<<<<<<<

What is your speaker complement? The center usually carries the dialog.

Are the receiver and its speaker systems set up per the manual? Make it so.

How is the TV-related (Cable) audio entering your receiver? It SHOULD be from the cable box, digitally if available, NOT the TV. You don't need a Low-Fi middleman handling your audio.

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My Pioneer VSX-36TX (circa 2002) does the same thing. Modern AVR's count up from minus something to 0db and go just a few db higher into 'plus' territory. It seems arbitrary but that's how it is.

Ask yourself this: who ever really turned the volume knob up to maximum on any amp on purpose, and had speakers survive it? In other words, why have all that capacity on a potentiometer if you never use it?

Little known fact: With that in mind, Bose Corp actually designed a product that intentionally used the full physical travel of a volume control - the Bose Acoustic Wave Music System.

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When i go to surround mode right front channel drops out


check for connection, might be the front right speaker was connected to right rear soround out, check recording if dolby pro logic or DTS system

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1 Answer

Can't get clear sound when not in "bypass" mode on Denon Pro Logi


From the FM radio mode, from your remote press the speaker button to make sure just the front speakers are on, make sure surround is off and use the tone cotrol button on the right side of the amp to adjust the bass and treble. That should clear things up a bit

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1 Answer

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Check that you set it to Pro logic and check the speaker set-up. Set it to 5.1 Sounds like somthing is in the wrong setting.

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1 Answer

Can't get Surround Sound with Movie


hiya

do you get full 5.1 when watching a movie from the dvd player...........??

as when u watch tv the reciever must be set to pro logic to enable 5.1 upmix as its only a stereo feed....

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