Join Date: Feb 2009
Location: Victoria, B.C. Canada
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I know this has been discussed before, but I need some reconfirmation.
On many Onkyo/Integra Receivers and Pre/Pro, there is an LFE (Low Pass Filter for the
LFE channel only) that you can adjust from: 80hz to 120hz.
The manual recommends to set it up at 80hz, if you have a subwoofer that is THX
Now, from my understanding (my two subs are not THX certified), before you run Audyssey, you should set it up at 120hz, right?
And after Audyssey is done, you should keep it at 120hz or not?
Are there many sountracks (DVD-Video, DVD-Audio, HD DVD or Blu-Ray movies) that contains up to 120hz information in the LFE (.1) channel only?
I keep reading conflicting reports on these subjects. I am trying to help myself, so I can be of good use also to others.
I will appreciate the best answers on this, so there is no more doubt.
I do need expert's opinions only, Chris being one of them.
---> Also, after Audyssey routine has been performed, and the x-overs had been choosen, do you leave them alone, or are you allow to change them?
Plus, from what I've been reading (in particular from the very good informations at
Audioholics web site), is it recommended that you keep the differences between the different speaker's x-overs, to not more than 20hz or so.
Example: My main fronts are set to 60hz, and my side surround are set to 80hz, and my rear surround are set to 120hz, and finally my center channel is set to 100 hz.
This is only an example, but the difference between the lower and higher x-over is 60hz
(60hz and 120hz). From what I was told, it is not a very good way for the best integration with the subwoofer, because off the too wide difference of the various x-overs, not been within the range of 20hz or so. It creates anomalies, if the difference
is too wide.
If I cannot get sufficiant and definitive confirmations about these issues in an intelligent and proven manner, I will completely abstain myself from trying to help others.
It is very frustrating when you do believe some excellent experts on this, like Gene and others at Audioholics, plus experts at Audyssey and Anthem, that comes up with different recommendations. Sometimes, it just feel like my head is going to explode.
And to cool off, you just do your own preference, based on your own listening and on all these conflicting recommendations. I am sure that I am not the only one in that position.
Any expert opinions or recommendations, please, be my guest.