Re: Back surrounds, static sound/distortion
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Joined: Jan 2002
Posts: 3,270
connoisseur
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connoisseur
Joined: Jan 2002
Posts: 3,270 |
Hi rage,
Along with the other advice given, check your "Small/Large" speaker settings to make certain the back surrounds are set to "Small", no matter which processing mode you're using.
If the back surrounds were inadvertently set to "Large" in the THX mode, deep bass might overload the drivers at very loud playback levels or drive the Onkyo's surround-channel amps into distortion.
Regards, Alan
Alan Lofft, Axiom Resident Expert (Retired)
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Re: Back surrounds, static sound/distortion
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Joined: Sep 2008
Posts: 4,116
connoisseur
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connoisseur
Joined: Sep 2008
Posts: 4,116 |
Yeah. Before swapping speakers and such it could be something as little as having the QS8's set to "large" in the thx mode. The QS8's are not full range speakers and should be set to small with a crossover of 80hz or 90hz. Double check "large" or "small" and the crossover settings when the thx mode is activated on the receiver.
I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.
-Max Payne
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Re: Back surrounds, static sound/distortion
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Joined: Jan 2004
Posts: 13,840 Likes: 13
shareholder in the making
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shareholder in the making
Joined: Jan 2004
Posts: 13,840 Likes: 13 |
Interesting on how something so simple sometimes slipes our minds.
M80s VP180 4xM22ow 4xM3ic EP600 2xEP350 AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85
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Re: Back surrounds, static sound/distortion
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Joined: Nov 2008
Posts: 98
old hand
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OP
old hand
Joined: Nov 2008
Posts: 98 |
I tested out the speakers and thank god they are fine(not blown). I also set my back surrounds to 90hz, I tried to find the speaker size but all I can find is normal/ Bi-amp and a set 6 or 8 ohm setting no large or small speakers on my Onkyo 806
It seems to be working as of now but I will be keeping a eye on it. I talked to my brother in law who said it could have been a drain on the CPU which in turn could mess up the sound/codec, I us a HTPC for everything. Guess this will be a way to convince the wife to get a new CPU and more hard drive space.
Last edited by rage96; 12/20/09 06:55 PM.
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Re: Back surrounds, static sound/distortion
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Joined: Aug 2007
Posts: 3,488 Likes: 9
connoisseur
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connoisseur
Joined: Aug 2007
Posts: 3,488 Likes: 9 |
If you set the crossover to 90hz, it means "small". Small/large are terms used by receivers with a fixed crossover.
See Mojo's signature
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Re: Back surrounds, static sound/distortion
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Joined: Jan 2004
Posts: 13,840 Likes: 13
shareholder in the making
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shareholder in the making
Joined: Jan 2004
Posts: 13,840 Likes: 13 |
I find it hard to believe the Onkyo does not have small/large speaker settings in the setup section. It is possible that by setting the crossover to 90hz, tells the receiver the speakers is "small", just have never seen that...
If you set the back surrounds to 90hz, what was it at before you changed it? Also, all your speakers should be set to small, or 80hz for starters, depending on their specs.
M80s VP180 4xM22ow 4xM3ic EP600 2xEP350 AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85
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Re: Back surrounds, static sound/distortion
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Joined: Nov 2008
Posts: 98
old hand
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OP
old hand
Joined: Nov 2008
Posts: 98 |
ah now I understand thanks I thought spesker size (large, small)where different then hz.
Had the backs set to 80hz (all speakers/sub also set to THX 80hz)now put the back surrounds to 90hz, they seem not as loud anymore but backs are not meant to stand out like the fronts do, not that they where that before, there just not as noticeable now.
Last edited by rage96; 12/20/09 07:05 PM.
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Re: Back surrounds, static sound/distortion
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Joined: Dec 2003
Posts: 10,420
shareholder in the making
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shareholder in the making
Joined: Dec 2003
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I would recheck the SPL out from those speakers, you should still have a similar noticeably loud sound to them, with less bass coming out of them they could very well be a few db lower.
Jason M80 v2 VP160 v3 QS8 v2 PB13 Ultra Denon 3808 Samsung 85" Q70
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Re: Back surrounds, static sound/distortion
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Joined: Nov 2008
Posts: 98
old hand
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OP
old hand
Joined: Nov 2008
Posts: 98 |
I have my center at 0.0 Db the left/right front are -5 Db and the back surrounds are set to -1.0 to -1.5 Db, depending on the movie. oh and before I forget the sub is set also at 0.0 Db, I read that you should also set you receiver to 0.0Db and do all your adjustments to the controls on the back of the sub, to much or to little power could damage the sub.
I like to have the center stand out more, better for dialogue in T.V/movies.
Last edited by rage96; 12/20/09 08:10 PM.
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Re: Back surrounds, static sound/distortion
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Joined: Feb 2009
Posts: 3,466
connoisseur
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connoisseur
Joined: Feb 2009
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You're right about the sub. It's best to try to get your receiver close to 0. Too little, and the sub, when set to auto-sense, may not turn on. Too high, and the output of the receiver may clip during heavy bass events when the volume control is also turned up.
The other channels should be set so each speaker reproduces pink noise at equal levels. That is, you use the test tones to select each channel in turn while adjusting the trim up or down to get them all to play at 75 dB.
Pioneer PDP-5020FD, Marantz SR6011 Axiom M5HP, VP160HP, QS8 Sony PS4, surround backs -Chris
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