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Re: My EP500 saga
JohnK #268775 08/10/09 01:48 AM
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alternatively does a small room not increase cancellation by reflection?

i have better bass outside my car , 2x12" woofers ported box in trunk.

Last edited by Socketman; 08/10/09 01:52 AM.

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Re: My EP500 saga
Gr8_White_North #268777 08/10/09 02:10 AM
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All rooms regardless of size weaken frequencies with the speaker at about 1/4th wavelength from room boundaries and strengthen frequencies with the speaker about 1/2 wavelength from the boundaries. This is one reason why care should be taken to have the speaker cone at different distances from the closest boundaries, to the extent possible.


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Re: My EP500 saga
JohnK #268778 08/10/09 02:18 AM
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perhaps the OP should get to basics and work on the placement as described by alan loft in his excellent article. once that is done maybe bass traps should be considered.

I have moved around alot in my lifetime ,and lived in many different houses,some big and some small, and my trusty hpm 900's were always there. They definetly had better bass in some houses than others. Im still convinced the OP has more than one problem here.Hopefully he can get it worked out,and get back to the music.


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Re: My EP500 saga
th3at3rguy #268793 08/10/09 05:47 AM
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 Originally Posted By: th3at3rguy
I am starting to think I do have a problem with the Sherwood R772. It has 2 sub modes, normal and subwoofer Plus. It has been at sub plus the whole time because when I put it to normal the sub doesnt work at all. It did the same thing with the EP175.


I think all this discussion of room size and bass cancellation is a wild goose chase. You have set up an 80Hz crossover on your front speakers (small) and your sub only works (somewhat) when you set the Sherwood to subwoofer plus but not in normal mode. You are connecting your OPPO to your Sherwood with HDMI.

I believe that narrows the problem down quite a bit. Keep in mind that you may have other things such as placement, etc that can be improved; but you are not getting normal LFE information out of the Sherwood at a level that your sub can make use of. It could be defective equipment, but it is much more likely to be a setup problem with your combination of OPPO and Sherwood.

You have been given great a idea of hooking up directly from your OPPO to your subwoofer using an RCA cable. This will confirm if your sub is OK. I don't think you have tried that or at least reported the results.

Go back and read Clubneons post again. If you will try that and let us know the result if will be an additional confirmation; and we can be more helpful to you in troubleshooting.


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Re: My EP500 saga
ClubNeon #268794 08/10/09 06:00 AM
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 Originally Posted By: ClubNeon

Barring defects with one of your components, it is almost surely a configuration problem. I understand that it is difficult for you move things about and rewire a lot, but have you been trying anything people have suggested here? Nearly every suggestion, or even replies to your questions seem to be ignored while you go and try something else. It's hard to help you trouble shoot when you don't tell us the outcome of a test.


I think that about sums it up.


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Re: My EP500 saga
wilwom #268797 08/10/09 11:58 AM
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It must be a setup issue, especially since you say you had to keep the EP175 cranked to max volume at all times.

That should never be the case in a properly calibrated system.

As others have suggested, try the Oppo directly to the sub.


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Re: My EP500 saga
Spoiler #268809 08/10/09 02:10 PM
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I thought he'd already done that and said he wasn't sure what the 'right' way for it to sound would be snce this is his first system? Perhaps I got that mixed up with something else, but that's what I thought I read.


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Re: My EP500 saga
Micah #268826 08/10/09 06:46 PM
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Another thought. Many receivers have a 10dB boost for LFE. It's a little annoying because the settings can be "0dB or -10dB" like in Marantz, or "+10dB or 0dB" for my Denon. Basically you want to use the "which ever is greater by 10dB" setting. Looking at the R772 manual, you want to select 0dB for your LFE Level Setup (page on the manual)

To sum up
1) Set your speakers to small or *not* full range (whatever R772 calls it)
2) Set you LFE to 0dB for Dolby and DTS.
3) Set your speaker crossover at 80hz,
4) Turn off "night mode" and/or DRC - Dolby Range Compression

Finally, you can try running through the autosetup to see what it does. It maybe worth a shot to see if your baseline config is good to go or not.


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Denon 4520, EPIC80/500/VP180 Speakers
Re: My EP500 saga
Hansang #268828 08/10/09 06:50 PM
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R772 calls it "Full Range" (same as setting the speakers to "LARGE") So it looks like as long as you set the crossover, it assumes SMALL.


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Denon 4520, EPIC80/500/VP180 Speakers
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