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#185735 - 11/27/07 01:09 AM Re: Denon 3808CI – one week later [Re: terzaghi]
HomeDad Offline
connoisseur

Registered: 12/29/05
Posts: 3301
Loc: Central,California
Any change you make that sounds better to you is fine, I would put on a movie with alot of LFE and test the effects of both settings to see where you prefer it. I enjoy how my autosetup set everything so I've left it alone.
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#185743 - 11/27/07 07:16 AM Re: Denon 3808CI – one week later [Re: HomeDad]
MarkSJohnson Offline
shareholder in the making

Registered: 09/27/04
Posts: 10964
Loc: Central NH
Terz:
I would put the sub distance back to where it was.

What's happening is that because there's circuitry and amplification in the sub, the signal gets slowed down a bit more than if it were just a straight connection from the jacks in the back to the cone.

The fact that your Denon "hears" the signal taking a bit longer to get to the mic is being interpreted as the sub being further away.

So really, leaving that distance set at the "further" setting that Audyssey found was indeed correct to make up for that slight delay.
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#185764 - 11/27/07 11:04 AM Re: Denon 3808CI – one week later [Re: MarkSJohnson]
michael_d Offline
connoisseur

Registered: 07/23/04
Posts: 3922
Loc: Up yonder
Michael and Mark already told you what I would have.

If you do not have an SPL meter, you need to trust Audysey. I found the LFE setting to be perfect. The distance is supposed to be greater, and the rule of thumb is to add 6 feet of distance to your actual distance if you do not have an auto EQ program. I’d move it back where Audysey/Denon put it.

The X-over should be blanked out. It set your mains to large, so all LFE will go to the mains, plus the sub for the settings under the crossover point it set for the remaining speakers. I have mine to LFE so the LFE goes to the mains and sub. You should just toggle back and forth and see what you prefer. Depending on the size of your room, and where you have the sub’s volume control, you could see a variety of settings for the sub. Mine is -9.

Just pop in a couple DVD’s and see how it sounds to you. If you don’t like it, copy the curve and set up a manual profile. It’s not too difficult, but be warned……once you head down this road, it’s doubtful you will ever be happy. It’s like power seats, does anyone every really just set them and leave them alone? No, I doubt it. But the older cars with non-adjustable seats and steering wheels were all comfortable as is after a few hours………
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#185767 - 11/27/07 11:14 AM Re: Denon 3808CI – one week later [Re: michael_d]
terzaghi Offline
connoisseur

Registered: 04/04/07
Posts: 4848
Loc: Tulsa, Oklahoma
I changed the sub distance back to what it was (or close to it at least) I could not remember exactly what it was, 20.something so I just used 20, The sub was set at -12db, and I changed it to about - 6db this morning.

Everything else will remain unchanged. I will probably grab an spl meter soon and at least check the settings.

I would like to experiment with setting the main speakers to small and using a crossover- but that will wait. I am very happy with the audessey results, just want to experiment a bit \:\)

Does the denon 3808 let you set the main's to small with a crossover to the sub for stereo sound (when listening to music that needs a sub), but leave them set to large for the audessey calibrated 5.1 set up?
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#185768 - 11/27/07 11:16 AM Re: Denon 3808CI – one week later [Re: terzaghi]
Hutzal Offline
connoisseur

Registered: 07/26/06
Posts: 2102
Loc: Hollywood. (Canadian @ <3)
Mike,

It looks like a keeper, congrats on your new marriage! Hopefully it won't end up in an exchange \:\)
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#185776 - 11/27/07 12:56 PM Re: Denon 3808CI – one week later [Re: Hutzal]
tomtuttle Offline
axiomite

Registered: 06/20/03
Posts: 8302
Loc: Tacoma
Or a reality TV episode.
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#185822 - 11/27/07 03:42 PM Re: Denon 3808CI – one week later [Re: tomtuttle]
terzaghi Offline
connoisseur

Registered: 04/04/07
Posts: 4848
Loc: Tulsa, Oklahoma
I guess I don't need to set the mains to small and apply a crossover after all... I think? If I want to add a subwoofer for my 2 channel music that needs a little extra bass, I guess I can just change the sub from LFE to "main +LFE"

will this option send the bass from the mains to the sub kind of like having the mains set to small with a crossover?

If this is the case, I wonder what frequency the cutoff point is for what stays with the mains and what goes to the sub?

I think I am a little confused on the difference between setting the mains to small with a crossover, or leaving them at large with the sub set to "LFE + main"


Edited by terzaghi (11/27/07 03:42 PM)
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#185836 - 11/27/07 06:37 PM Re: Denon 3808CI – one week later [Re: terzaghi]
jakewash Offline
shareholder in the making

Registered: 12/26/03
Posts: 10400
Loc: Calgary, Alberta
2 channel music in direct mode will allow your sub to work with the speakers and no crossovers. LFE+Main means the LFE signal in DVDs will be sent to the main speakers as well as the sub, this option may help poor room dynamics and spread out the LFE providing your mains are up to the task. When the mains are set to small and a cross over point is made the receiver starts to send anything below that point to the sub and frees up the load on the receivers amp and the speakers are free to articulate the area of sound they do better at. For M60 - 80 the crossover is usually set around 50-80hz depending on the room and how the listener likes it.
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#185842 - 11/27/07 07:11 PM Re: Denon 3808CI – one week later [Re: jakewash]
terzaghi Offline
connoisseur

Registered: 04/04/07
Posts: 4848
Loc: Tulsa, Oklahoma
actually, 'LFE + main' says "play low range and LFE signals of all channels"

while 'LFE' says "play low range and LFE signals of all speakers set to small"

When listening to two channel stereo I changed it to 'LFE + main' with my mains set to large, and the sub started pumping out the bass....

I am not sure what the denon considers "low range" so its like it is some kind of crossover setting applied to a 'large' speaker- this is what has me confused.

I think I understand how a crossover setting works on a 'small' speaker, but I am not exactly sure what is happening with this 'LFE + main' mode ( what frequency is being sent to the sub? instead of cutting off the low end sent to the mains with a crossover, is it playing the low end in both the mains and the sub? and I still do not understand exactly what 'low range'
means


Edited by terzaghi (11/27/07 07:14 PM)
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#185849 - 11/27/07 08:01 PM Re: Denon 3808CI – one week later [Re: terzaghi]
jakewash Offline
shareholder in the making

Registered: 12/26/03
Posts: 10400
Loc: Calgary, Alberta
LFE is a specific coding done during production which is why you see the "play low range and LFE signals of all speakers set to small" or 'LFE + main "play low range and LFE signals of all channels", it's just that the specific LFE signal is now getting played through the front main speakers as well as the sub with the LFE + Main setting.


The low range should be what ever is below your crossover setting in the receiver.

2 channel stereo for Denon, I do believe, they don't use the sub except in LFE + Main mode, but in direct mode the sub is always on regardless of any xover settings..
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Jason
-----------------
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My HT

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