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#201979 - 03/26/08 08:37 AM Re: SVS PB12-NSD and the EP600 [Re: jakewash]
bridgman Online   content
axiomite

Registered: 08/25/04
Posts: 5448
Loc: Bowmanville, Ontario, Canada
There's a setting on the Axiom subs which boosts the mid-bass a bit IIRC. Maybe called "boost" or something like that ?

Could this be useful for getting extra mid-bass emphasis for movies while retaining flat response for music ? I kinda hope not, or everyone will be asking for the ability to flick it on and off by remote control ;\)


Edited by bridgman (03/26/08 08:37 AM)

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#201981 - 03/26/08 09:09 AM Re: SVS PB12-NSD and the EP600 [Re: bridgman]
jakeman Offline
aficionado

Registered: 10/03/05
Posts: 852
Loc: Toronto
Hi John. Hope you are well. Its called "trim" in the EP subs and boosts amplitude above 33hz to accomodate room gain below that frequency.
_________________________
John

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#201982 - 03/26/08 09:24 AM Re: SVS PB12-NSD and the EP600 [Re: jakeman]
terzaghi Offline
connoisseur

Registered: 04/04/07
Posts: 4848
Loc: Tulsa, Oklahoma
what should the trim be set to in most cases? I have left mine at the same setting since I got the sub... I think at flat.

EDIT: found a description in the manual- it basically says to experiment with half or full in small to medium rooms but to leave it at flat for large rooms.... Maybe I will see if I notice a difference between the two. not sure exactly what is happening when I turn that switch though...
_________________________
-David

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#201989 - 03/26/08 09:55 AM Re: SVS PB12-NSD and the EP600 [Re: terzaghi]
jakeman Offline
aficionado

Registered: 10/03/05
Posts: 852
Loc: Toronto
It is a shelf gain boost for frequencies above 33hz. No way of knowing whether it will be beneficial or not without trying it or measuring it. The idea is to flatten in room FR for listening areas with substantial room gain in the lowest octave. All subs should have this feature.
_________________________
John

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#201992 - 03/26/08 10:01 AM Re: SVS PB12-NSD and the EP600 [Re: jakeman]
Mojo Offline
connoisseur

Registered: 01/21/07
Posts: 3292
I have mine set to flat but then again I have 4,000+ cubic feet. When I set it to half or full, it's too over-powering.

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#201995 - 03/26/08 10:08 AM Re: SVS PB12-NSD and the EP600 [Re: Mojo]
terzaghi Offline
connoisseur

Registered: 04/04/07
Posts: 4848
Loc: Tulsa, Oklahoma
I need to download some of those real traps test tones and get to work then!
_________________________
-David

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#201996 - 03/26/08 10:09 AM Re: SVS PB12-NSD and the EP600 [Re: Mojo]
Murph Offline
axiomite

Registered: 10/05/06
Posts: 6884
Loc: PEI, Canada
Setting mine to Half on my EP500 was required to overcome my small square room with a middle seating position. Helped a very noticeable amount.
_________________________
With great power comes Awesome irresponsibility.

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#202002 - 03/26/08 11:06 AM Re: SVS PB12-NSD and the EP600 [Re: jakewash]
jakeman Offline
aficionado

Registered: 10/03/05
Posts: 852
Loc: Toronto
Yes they do become fatiguing after a while which isn't the case with the new Ultra 13 or the sealed SVS subs. When I first challenged the sound quality of the ported SVS subs compared to the EP subs it created alot of controversy at other sites. But enough time has gone by that most folks have taken a more mature attitude about it. This old FR graph in particular comparing the EP600 with the then top of the line SVS Ultra caused alot of anguish for that companys marketing machine. The mid bass hump is quite noticeable and its even more accentuated in many rooms. The extension was nice but not a good tradeoff to that awful FR.


_________________________
John

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#202007 - 03/26/08 11:34 AM Re: SVS PB12-NSD and the EP600 [Re: jakeman]
tomtuttle Offline
axiomite

Registered: 06/20/03
Posts: 8305
Loc: Tacoma
Must...control...sub...upgrade...urges...
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#202023 - 03/26/08 02:20 PM Re: SVS PB12-NSD and the EP600 [Re: tomtuttle]
autoboy Offline
veteran

Registered: 12/04/06
Posts: 118
Loc: Palo Alto, California
I have a SVS PB12-NSD and I am a big fan. However, on Dancing with the Stars the sub works overtime and becomes so overbearing that I have to turn it off in the setup. Dancing has a pretty bass heavy drum in the music even without the sub on my m60s, but maybe what I am hearing is actually the mid bass hump that you are talking about. Anyone else have troubles with that show? Is it my system or the content? I always just figured it was the content. But I do tend to run my sub 3db hot. It has never been a problem except on this show.

On a side note, the SVS hits so hard that often there are times when I don't really need it. My wife sometimes gets mad when I watch a movie late at night. Without the sub the m60s are able to hold their own for night watching, but it takes time to set up the crossovers in the Onkyo 875 receiver. Is there a way I can get a one button setup to turn off the sub and make my m60s full range?

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