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5.1 - Bass Management Question

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scottrwn98
Member


Joined: 03 Aug 2002
Location: Kansas

Post Posted: Oct 25, 2007 10:45 Posts Comp View users profile Send private message Reply with quote

Greetings.

I currently own a MOTU 828 MKII, 5 KRK RoKit 5 Speakers and a Rokit 10 Sub. I have the MOTU set up where there are 6 outputs feeding each speaker directly. This way I can monitor 5.1 mixing from Soundtrack Pro 2. This is for mixing 5.1 for a film, not music.

I read an article on Bass Management and it says I need to route the 5 channels to the sub, as well as the LFE channel (so he sub can receive the LFE channel and the sum of the main-channel bass)

That way I can hear the bass (anything under 53Hz from the main 5 speakers). As of now, my 5 speakers are not feeding to the sub, only the LFE.



So the only bass I get from my main 5 speakers are anything down to 53Hz. Anything below that, I cannot hear unless I put that in the LFE (which is not correct unless its for an effect.)

In a normal 2.1 setup, one would have the main outputs from the MOTU going into the sub and then out to the main two speakers.

How can I route my 5 speakers through the sub (as well as the LFE channel)?
_________________
~Mr Jones
~University of Kansas

http://www.senoreality.com


aedipuss
aBigMeanie


Joined: 25 Oct 2005
Location: 666th portal

Post Posted: Oct 25, 2007 13:15 Posts Comp View users profile Send private message Reply with quote

looks like a quick way to reduce the impedence to 0 and blow your amp. why not rustle up 5 studio quality monitors, skip the crossovers, and output the bass where it's supposed to go?
_________________
--
"a lot of people are better dead" - prisoner KSC2-303


scottrwn98
Member


Joined: 03 Aug 2002
Location: Kansas

Post Posted: Oct 25, 2007 14:20 Posts Comp View users profile Send private message Reply with quote

So you're saying just get $1300 speakers that are able to produce a LF of 39Hz and only use the Sub as the LFE (anything below that LF range)?
_________________
~Mr Jones
~University of Kansas

http://www.senoreality.com


aedipuss
aBigMeanie


Joined: 25 Oct 2005
Location: 666th portal

Post Posted: Oct 25, 2007 14:46 Posts Comp View users profile Send private message Reply with quote

yes if it's in the budget. simple, easy, no messy wiring and it will make the total audio output sound more natural.
_________________
--
"a lot of people are better dead" - prisoner KSC2-303


scottrwn98
Member


Joined: 03 Aug 2002
Location: Kansas

Post Posted: Oct 25, 2007 14:50 Posts Comp View users profile Send private message Reply with quote

I have KRK's that are 20KHz to 53Hz that are nice. Most speakers are in that range, except the JBL's, which go down to 39Hz. When I crank them, I hear a little base. I think I'm just used to mixing with my Logitech 5.1 satellite speakers that have a sub. The KRK's are soooo clear.

So the diagram isn't something I need to worry about unless my monitors cut off any LF?
_________________
~Mr Jones
~University of Kansas

http://www.senoreality.com


aedipuss
aBigMeanie


Joined: 25 Oct 2005
Location: 666th portal

Post Posted: Oct 25, 2007 15:07 Posts Comp View users profile Send private message Reply with quote

right. most 5.1 or dts audio systems will take care of sending the low frequencies to the sub if the owner wishes/or sets it up that way by selecting small surround speakers.
_________________
--
"a lot of people are better dead" - prisoner KSC2-303


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