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took delivery of the m22 and m2 audyssey question
#334307 01/13/11 01:16 AM
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pheare Offline OP
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Hi all,

Finally took delivery of my M22 fronts and m2 center. Have only given a couple of test listens at this point, but man do they sound better than my old set up.

Ran audyssey and am wondering if the results look ok:
fronts (m22): 50hz
center (m2): 70 hz
rears (qs4): 90 hz

Look okay??

My sub was set at -6db. Gain was set at 6 of 10 for the set up.

Couple questions about the sub:
1. If want to turn it up some, does it matter if I just turn up the gain on the sub? or should I up the db on the amp? Or does it make a difference?

2. my sub is okay I guess, it is a mirage frx-s15. 15inch sub with 300watt amp. I've had it for probably about 13 years. I plan on replacing it over the few months or so.

I don't feel this sub really dishes out the bass. You can tell it is there, but I don't 'feel' it in those bass heavy scenes.

Question is: given that audyssey has set my sub at -6db, audyssey obviously feels it is there and is doing its thing. So if I buy a better sub (thinking about a pb12) is this going to give me more punch? or is audyssey just going to crank it down again?

Guess I am having a hard time understanding if buying a more powerful (and all around better) sub, is going to give me more punch if the output of my current sub is already being 'tuned down' by audyssey.

Re: took delivery of the m22 and m2 audyssey question
pheare #334310 01/13/11 02:02 AM
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Not sure how your Audyssey works but I know with my YPAO I used it to establish PEQ parametres but I still manually set my speakers with a SPL metre. As for the gain being set -6dbs it really depends on the sensitive of your subwoofer and room placement. I'd use the SPL metre and set everything to 75dbs. As for a more sensitive subwoofer it could appear to be louder at a given voltage input than a less sensitive one set at the same input or level. That's why using this method allows for proper set up regarless of what the level is set at...I hope this makes some sense... blush

As for the pb12 its a decent sub and should probabaly give you more pucnh for home theather applications...IMO. I've audtioned the Energy s12(same as the Mirage s12) and the Svs dug much deeper.

Regards, Bill

Re: took delivery of the m22 and m2 audyssey question
pheare #334316 01/13/11 03:26 AM
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PH, yes, those numbers all seem very reasonable, reflecting the capabilities of the speakers in your room environment. Nevertheless, I'd suggest manually resetting the M22 and M2 crossovers to 80Hz, to take a little more of the bass load off them and put it onto the sub, which handles it better.

The -6dB sub result isn't a problem, but if you re-run Audyssey you might start off with the sub volume control(it isn't a gain control, audio amplifiers have fixed gain)at 4 rather than 6 so that the net result is closer to 0. No, if you want to run the sub a few dB "hot"(but keep in mind that a correctly calibrated sub level shouldn't have the sub loud enough to draw attention to itself), it doesn't matter much which volume control that you turn up, although it isn't a good idea to have the control set near the max.


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Enjoy the music, not the equipment.


Re: took delivery of the m22 and m2 audyssey question
JohnK #334317 01/13/11 03:32 AM
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pheare Offline OP
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thanks. so setting the fronts to 80 all around will not bugger up any of the other auddyssey settings?

Maybe I will rerun with sub turned down a bit more.

Thanks.

Re: took delivery of the m22 and m2 audyssey question
pheare #334319 01/13/11 03:39 AM
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No problem; Audyssey can equalize as far down as the frequency which it measured. Setting that crossover a little higher(not lower)than the measured number doesn't remove any EQ capability. The QS4s should remain at 90Hz.


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Enjoy the music, not the equipment.


Re: took delivery of the m22 and m2 audyssey question
pheare #334320 01/13/11 03:41 AM
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You can adjust the crossover frequencies up after running audyssey without causing any problems, just can't adjust them down.


-David
Re: took delivery of the m22 and m2 audyssey question
terzaghi #334321 01/13/11 03:41 AM
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Beat me to it...


-David
Re: took delivery of the m22 and m2 audyssey question
terzaghi #334322 01/13/11 04:03 AM
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pheare Offline OP
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thanks. Just re-ran twice. 5 on the sub is the magic number 0db now. also set the front 80hz across the board. Will see how that sounds.

also, audyssey crossed the sub over at 90hz. I have the crossover on the sub all the way up, which is 100hz.

Re: took delivery of the m22 and m2 audyssey question
pheare #334323 01/13/11 04:19 AM
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Getting back to: how does it work with a better quality, more powerful sub?

If you shoot for 0db, what does the more powerful sub buy you? I get that it might sound better, but will it have more punch for those big base scenes if it is set to the same 0db???

Re: took delivery of the m22 and m2 audyssey question
pheare #334327 01/13/11 06:59 AM
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A larger/more powerful sub will just be able to reproduce reference levels at even lower frequencies. And perhaps be able to keep up a little better if you turn the main volume to 0 dB.

No matter the size of the sub, properly calibrated it will not outshine the rest of the speakers.


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris
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