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#314369 - 07/12/10 09:47 PM Bass Management
bluray Offline
old hand

Registered: 12/31/07
Posts: 88
I have an EP800, M80 mains, VP180 center, and M22 rears. Using a 250 watt five channel amp at 8 ohms (500 watts at 4 ohms), would the conventional wisdom be to have the crossover for my front three speakers set at 60 Hz and the rears at 80 Hz? Does the 60 Hz crossover for the entire front soundstage put considerably more strain on the amp? Is anyone doing 40 Hz for the M80s and VP180? Thanks.

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#314382 - 07/12/10 10:24 PM Re: Bass Management [Re: bluray]
Ken.C Offline
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Registered: 05/03/03
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Loc: NoVA
I use a 40 Hz crossover with my little ol' 75 WPC receiver.
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#314387 - 07/12/10 10:44 PM Re: Bass Management [Re: Ken.C]
bluray Offline
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Registered: 12/31/07
Posts: 88
There you go. I bet you have little to no sub localization.

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#314388 - 07/12/10 11:02 PM Re: Bass Management [Re: bluray]
Ken.C Offline
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Loc: NoVA
Well, not with the 100Hz and 120Hz crossovers for my center and surrounds.
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#314403 - 07/12/10 11:43 PM Re: Bass Management [Re: Ken.C]
grunt Offline
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Registered: 12/04/06
Posts: 3569
Loc: Nirvana
I’ve varied between a 40/60/80 crossover for my 3 M80s L/C/R depending on the situation. Right now I’m using 80 because the SVS AS-EQ1 actually makes the bass sound much better with the EP500 than the M80s alone. W/o the SVS AS-EQ1 I use 60Hz in this room since I hear no advantage to going lower. In my apartment were I sat 6-8 feet away (not like 11-12 now) I could better feel the mid-bass punch by lowering the crossover to 40Hz across the front.

In any of the cases I’ve never shut down or clipped my Denon 2807 at 6-8 feet or Onkyo 3007 at 11-12 feet playing at and average 80dB calibrated level.

I think what works best is very room/seating location dependant and best determined by experimenting.

Dean
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#314407 - 07/12/10 11:49 PM Re: Bass Management [Re: Ken.C]
SirQuack Offline
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Registered: 01/29/04
Posts: 13565
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My personal settings ended up being pretty close to what Audyssey adjusted for my room characteristics.

m80's at 60hz (however using multiple subs 80hz can be better as the sub does a better job moving air in those lower freq's)

vp150 80hz

qs8's 90hz
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#314483 - 07/13/10 10:49 AM Re: Bass Management [Re: SirQuack]
michael_d Offline
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Registered: 07/23/04
Posts: 4191
Loc: Up yonder
LFE above 80 becomes directional. I used to have my surround channels set to 90 and 120, per Audyssey, but it drove me nuts. Dropping them to 80 made the LFE much more enjoyable. My fronts (M80’s) are set to 40 and my center channel (two M22’s and one VP150) is set to 60. Different room configurations and characteristics will affect optimum set up, but I would still refrain from setting LFE above 80.
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#314514 - 07/13/10 01:26 PM Re: Bass Management [Re: michael_d]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13565
Loc: Iowa
If you have Audyssey turned off, that is ok to reduce the crossover setting, however, you only want to increase the number with Audyssey engaged. Otherwise, you are losing material between what you reduced it to, and Audyssey's results.
_________________________
M80s-VP180-4xM22ow-4xM3ic-EP600-2xEP350
Anthem AVM60 Outlaw 7700 Emotiva A500 Epson 5040UB



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#314520 - 07/13/10 01:59 PM Re: Bass Management [Re: SirQuack]
Dundas Offline
old hand

Registered: 03/02/08
Posts: 80
Loc: Hamilton
Originally Posted By: sirquack
If you have Audyssey turned off, that is ok to reduce the crossover setting, however, you only want to increase the number with Audyssey engaged. Otherwise, you are losing material between what you reduced it to, and Audyssey's results.

I am not sure what you mean by "losing material". I think you will find that when you lower the crossover from what Audyssey suggested that you do not have Audyssey processing in that channel for the frequency range that is below the crossover that Audyssey calculated.


Edited by Dundas (07/13/10 02:04 PM)

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#314531 - 07/13/10 02:48 PM Re: Bass Management [Re: Dundas]
htnut
Unregistered


That was my understanding as well.

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