best way to use audyssey setup

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I'm having a problem with my Tannoy Custom F1's connected to a Denon AVR-1908, they actually have a freq. range of 55Hz-20KHz, but audyssey sets the fronts to 150Hz and the center and rears to 90Hz. Why would this be?

Currently, i've manually changed them all to 90Hz, if i use the audyssey room eq setting will doing the above have a negative effect?

I used the supplied mic on a tripod which was then placed on the main listening position seat. The mic position was higher than the back of the seat. I took 6 measurements.

Should i be using the audyssey room eq setting or leave it to off? Whats the difference between the various room eq's? audyssey, audyssey flat, byp, etc?

BTW, when the audyssey setup is running, are the measurements only taken when the weird noise is coming from each of the speakers or also when they're quiet?

Cheers.
 
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Anonymous

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Run the setup again and see if you get the same results! but i wouldnt worry audyssey never seems to get speaker size right! it all mine to full range but my rears and center only really go down to around 80hz before they roll off
 
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Anonymous

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Thanks for the info Gareth. The speaker sizes are actualy detected fine (all 5 as small) and so are the distances. Its the crossover settings that it doesn't get right. I've ran it 5 times now and each time the front crossover comes up as 150Hz, while the center and rear are set at 90Hz. What do you think i should try next?
 
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Anonymous

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I have Tannoy Custom F1's connected to a Denon AVR-3808. I have found that when I run the Audyssey set up it seems to get it pretty spot on. I take 8 measurements (not sure how many you can take on 1908) I take the measurements at ear height and not above the back of the sofa. I take five measurements along the sofa and three about a foot in front of the sofa at ear level for someone sat on the floor. The most important measurement is the first one and that should be taken at the main listening position. This sets the distances.

As for the results, it sets all the speakers to small (which they are). It sets the speaker distances correctly, apart from the bass (which is normal as it compensates for room dynamics). The crossovers for all speakers it sets to 60hz (makes sense as the range is 55 hz - 20,000 hz). It sets the sub crossover to 80 hz (I have read that this is about right as well). You can change this in the manual set up for speakers under crossover - advanced. I find the speaker levels are a bit out, so I set them manually with a SPL meter after, so they are the same level.

If you dont agree with the results of the audyssey then try setting it up manually as I have above and see what you think. Keep the audyssey switched on as I think it sounds better. I just have to get my bass positioned correctly now and I will be very happy.
 
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Anonymous

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Thanks for that le_vicar. What do you mean by position of BASS? Is that another word for sub?

I ran it again last night and for the cross-overs got 120Hz for the fronts and center, 90Hz for the rears and 120Hz for the LFE. Should i manually adjust them down or will audyssey have not taken the lower crossovers into account?
 
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Anonymous

Guest
jfh:
BTW, when the audyssey setup is running, are the measurements only taken when the weird noise is coming from each of the speakers or also when they're quiet?

It measures the frequency response whilst the tones are playing and checks background noise during the quiet period. Thus it is important not to make any noise until it indicates measurements are finished.

ÿThe results the Audyssey comes up with can sometimes be counter intuitive but they usually make more sense when you understand exactly what the system is doing. Specifically the EQ tries to obtain the smoothest response in the transition region from main speakers to subwoofer. There are lots and lots of factors that can affect performance in this region in particular the performance of your speakers and sub and their position relative to the walls and floor. The filters Audyssey uses are specifically calculated based on the crossover you select so the result should still be good.

150Hz does seem a bit high as you would get localisation issues from the sub. I would do another run taking care not to get within 30cms of the back of the chair and ensuring good variance in 3 dimensions not just two.

ÿ

Neilÿ
 
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Anonymous

Guest
jfh:

Thanks for that le_vicar. What do you mean by position of BASS? Is that another word for sub?

I ran it again last night and for the cross-overs got 120Hz for the fronts and center, 90Hz for the rears and 120Hz for the LFE. Should i manually adjust them down or will audyssey have not taken the lower crossovers into account?

I would run it again and see if you get better results. If not then just try changing it manually to the setting I sugested and see if it sounds better. Speaker position is also important. How is your room set up?

I am still trying to get it exactly to my likeing, but it does sound pretty good now.

Just out of interest does a crossover of 60hz for center, front and rear (sub 80hz) sound reasonable to anyone else?

Yes I did mean the sub. It is proving a real pain to intergrate. I will probally have to put it back in the listening position and crawl around on my hands and knees, searching for where it sounds best again !!
 
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Anonymous

Guest
Thanks again le_vicar. Here's a quick pic of my room, let me know what you think:

b48daf.jpg


btw, rear speakers are on the side walls focusing on the 3-seater sofa.
 

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