Question about Harman Kardon Audio Players & Recorders
I'm just setup my Harman Kardon AV 1550 in the new home theater (it's been boxed for three years) and am noticing distortion across the center speaker. The audio is there but the best way to describe it would be 'furry'. I've used optical and coax connection into the unit, used two different speakers and different speaker wire. I guess it's in the amp but no idea what? Any thoughts? Don't wanna change it but possible cheaper to replace than fix. Cheers
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Posted on Jan 02, 2017
SOURCE: no surround sound
So your saying that you have no rear channel. Some recivers use a single stereo output ic for both sides on the rear speakers. you could have a defect with this IC . Anther thing Im sure you check3ed the obvious ie : the switch is on suround sound? If there is a front to rear fader is it in the middle? Good Luck
Posted on Jun 04, 2006
check the setting for the HDMI connection at the Denon you may have to assign the HDMI audio setting also on the front of the Denon while in the DVR mode press the input mode button on the front of the Denon to select auto and if that doesn;t give you sound you will have to connect a cable from the DVR optical.coaxial or analog audio output to the Denon and setup for that type of audio connection
Posted on Feb 25, 2009
Love your screen name.
You didn't say what, if anything, preceded the appearance of the problem. There might be a clue.
Can you describe the distortion? Is it excessively bassy? If so, is it happening on all sources?
I'm assuming this is a modern digital receiver that is capable of many soundfield simulations as well as native Dolby Digital, DTS, multi-channel. If so we can use a stereo source and through simulation redirect some of it to the center speaker.
Using one of your receiver's many multi-channel simulation modes, put in a CD or tune an FM station and use it to diagnose the problem during later steps.
If it's only a single source and that source uses individual analog channel RCA cables, swap in another one or temporarily move the Center Channel feed to one of the other channels to see if it's before the receiver (in the source).or inside the receiver.
For multiple sources:
Is your Center speaker defined properly as Large or Small in the receiver's setup menu?The size refers mostly to the bass-handling capacities of all your speakers rather than their physical size. Speakers designated as 'Small' will not be sent much in the way of bass because they can't handle it well. The LFE/subwoofer channel(s) will get all the bass that was intended for them instead.
If you have a Small speaker improperly defined as Large it may be getting bass that it can't handle and that might sound like distortion. Having a Large speaker defiend as Small would result in less bass than expected but otherwise 'clean' sound.
Check the speaker setup in the menu for excessive volume level relative to the others. There is usually a calibration procedure the receiver will use to help you adjust the subjective voume of each speaker using white noise or tones.
Hope this helps.
Posted on Apr 02, 2009
I have similar problem with my Onkyo Tx-SR600. It only happens when it's in surround mode. When switch to Stereo or Direct, the scratchiness go away. Still trying to find a solution to this problem.
Posted on Dec 23, 2009
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