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How do you incorporate your sub?
It seems there are a variety of ways in which people are incorporating there subwoofer within there Home Theater/Music system. I'm curious to find out what people have tried and what seems to be working the best. I'm considering splitting the signal from both the right and left front main outputs into two subs and of course the two main speakers as opposed to going out of my pre/pro's sub out. What do you think? Would I be missing out on anything running Home Theater Dolby Digital in 5.0 vs 5.1?
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We do this:
We take the left front out from the processor and run it to the LINE IN on our left sub. This sub has a HIGH PASS OUT, so we take and run a line from HIGH PASS OUT to the left front channel amp. From the amp we run a speaker wire to the left front.
On the sub we set the xover at 70, which means only information above 70 hz is sent on to the amp.
We do the exact same thing on the right side.
Then, we take the sub out from the processor and run it to the other LINE IN on the left sub. We take a LINE OUT (not HIGH PASS OUT) and run a interconnect to the other LINE IN on the right most sub.
Sounds pretty good.
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Chuck Traywick
Kitty Hawk, NC
We take the left front out from the processor and run it to the LINE IN on our left sub. This sub has a HIGH PASS OUT, so we take and run a line from HIGH PASS OUT to the left front channel amp. From the amp we run a speaker wire to the left front.
On the sub we set the xover at 70, which means only information above 70 hz is sent on to the amp.
We do the exact same thing on the right side.
Then, we take the sub out from the processor and run it to the other LINE IN on the left sub. We take a LINE OUT (not HIGH PASS OUT) and run a interconnect to the other LINE IN on the right most sub.
Sounds pretty good.
------------------
Chuck Traywick
Kitty Hawk, NC
Quote:
I understand that, but technically it would be 5.0, wouldn't it?
| Originally posted by sbradley: if you set your mains as "full" the LFE signal will be directed to them (and any other speakers set up as "full") so you'll still get 5.1. |
Quote:
I am a little confused as to how this extra hookup will enhance your sound. Have you not already accomplished this in your initial hookups from your mains? Also, is it not optimal to have your signal "filtered" twice from your sub-out as it's being crossed over in your pre/pro and again crossed over in your sub?
| Originally posted by ChuckTraywick: Then, we take the sub out from the processor and run it to the other LINE IN on the left sub. We take a LINE OUT (not HIGH PASS OUT) and run a interconnect to the other LINE IN on the right most sub. |
hi all!
i've been kicking the same thing around in my head for awhile and hope to accomplish this...
Lex DC-2 preamp
LFE Subwoofer
Menu- Sub=Yes at 80hz xover
Sub out to dedicated LFE sub (M&K 350 maybe)
Placement- front corner loaded
Front Left
Menu- Front L set to large at 80 xover
Front L out to M&K HP-80 passive filter with filter sub out to another sub (M&K 150 maybe) and the filter high out to amp and then to M&K S-150
Placement- behind Front Left S-150
Front Right
Menu- Front R set to large at 80 xover
Front L out to M&K HP-80 passive filter, (see above), with filter sub out to a 3rd sub (M&K 150 maybe) and the filter high out to amp and then to right M&K S-150
Placement- behind Front Right S-150
any comments if this is possible and potential bass issues to be addressed...
cheers...jeff
btw... hopefully this set-up will take the Joe Morris (DTS CD) kick drums
to a higher level ;-)
[This message has been edited by skifreak (edited 09-29-2000).]
i've been kicking the same thing around in my head for awhile and hope to accomplish this...
Lex DC-2 preamp
LFE Subwoofer
Menu- Sub=Yes at 80hz xover
Sub out to dedicated LFE sub (M&K 350 maybe)
Placement- front corner loaded
Front Left
Menu- Front L set to large at 80 xover
Front L out to M&K HP-80 passive filter with filter sub out to another sub (M&K 150 maybe) and the filter high out to amp and then to M&K S-150
Placement- behind Front Left S-150
Front Right
Menu- Front R set to large at 80 xover
Front L out to M&K HP-80 passive filter, (see above), with filter sub out to a 3rd sub (M&K 150 maybe) and the filter high out to amp and then to right M&K S-150
Placement- behind Front Right S-150
any comments if this is possible and potential bass issues to be addressed...
cheers...jeff
btw... hopefully this set-up will take the Joe Morris (DTS CD) kick drums
to a higher level ;-)
[This message has been edited by skifreak (edited 09-29-2000).]
VIMSTL,
There are a few questions you are trying to ask.
First getting 5.0,
Most receivers, preamp will do this if you set the mains to "full" or "Large" and set the subwoofer to "OFF". The reciever will then route the LFE signal(Which is extra bass info, there is bass info on all the channels) to the Left and Right main speaker. Thus No LFE, thus 5.0
Next,
As speakers for channels grow there has been soom confusion of subs.
If any of your speakers cannot go down to at least 20Hz then you "may" need a subwoofer for it, but at that frequency you are actually feeling the sound. Because, reasonably priced speakers dont go that low (Their specs will say they go low, but dont trust that) we would really have to have a sub for each channel. Since this is not feasable, Most articles will encourage you to set the all the speakers to small and have the Sub handle all the bass info. This is because your preamp will use its internal crossover circuits and route all bass signals below the crossover to the LFE channel.
Your preamp bass cross over may be different from others. Mine is 100Hz.
Before connecting your fronts to sub we must understand the Following...
High Pass / Low Pass
High Pass - the signal as already been through your amplifier and is going to the speakers.
Low Pass - The signal is coming from your pream and the has not yet been amplified.
Why we first ran mains through the sub..
In the stereo world, most people will have a sub for each main. This assumes you have a sub that has variable cross over. This will allow someone the get full range sound (20Hz to 20Khz). I say this because if your main speaker bottoms out at 75 Hz then, setting the subs crossover circuit at 75Hz will send any frequency above 75Hz to your main speaker and the sub woofer will handle all frequencies below 75Hz.
(Let us the left channel as example). This is done by setting you preamp front speaker setting to "FULL". Then runing the line out of the left channel to the LOW PASS left channel IN on your sub. Then run a connector from you your LOW PASS Left channel OUT to the left channel input on your amp. Thus set the variable cross over to match your speaker capabilities.
Setting the crossover at 80Hz if for Thx certified speakers and systems, yours may be different or sound better ant different setting.
Finally,
Since most speakers aren't full range we would need a sub for each channel, and one for the LFE.
Mine is 5.1
All speakers set to "small"
LFE to the Subwoofer.
I have an 18inch sub woofer and placed it 1/4 the length of the back wall at the back of the room. This give me a smooth bass.
Second sub woofer could be use to smooth out the bass response in the room.
clopez
There are a few questions you are trying to ask.
First getting 5.0,
Most receivers, preamp will do this if you set the mains to "full" or "Large" and set the subwoofer to "OFF". The reciever will then route the LFE signal(Which is extra bass info, there is bass info on all the channels) to the Left and Right main speaker. Thus No LFE, thus 5.0
Next,
As speakers for channels grow there has been soom confusion of subs.
If any of your speakers cannot go down to at least 20Hz then you "may" need a subwoofer for it, but at that frequency you are actually feeling the sound. Because, reasonably priced speakers dont go that low (Their specs will say they go low, but dont trust that) we would really have to have a sub for each channel. Since this is not feasable, Most articles will encourage you to set the all the speakers to small and have the Sub handle all the bass info. This is because your preamp will use its internal crossover circuits and route all bass signals below the crossover to the LFE channel.
Your preamp bass cross over may be different from others. Mine is 100Hz.
Before connecting your fronts to sub we must understand the Following...
High Pass / Low Pass
High Pass - the signal as already been through your amplifier and is going to the speakers.
Low Pass - The signal is coming from your pream and the has not yet been amplified.
Why we first ran mains through the sub..
In the stereo world, most people will have a sub for each main. This assumes you have a sub that has variable cross over. This will allow someone the get full range sound (20Hz to 20Khz). I say this because if your main speaker bottoms out at 75 Hz then, setting the subs crossover circuit at 75Hz will send any frequency above 75Hz to your main speaker and the sub woofer will handle all frequencies below 75Hz.
(Let us the left channel as example). This is done by setting you preamp front speaker setting to "FULL". Then runing the line out of the left channel to the LOW PASS left channel IN on your sub. Then run a connector from you your LOW PASS Left channel OUT to the left channel input on your amp. Thus set the variable cross over to match your speaker capabilities.
Setting the crossover at 80Hz if for Thx certified speakers and systems, yours may be different or sound better ant different setting.
Finally,
Since most speakers aren't full range we would need a sub for each channel, and one for the LFE.
Mine is 5.1
All speakers set to "small"
LFE to the Subwoofer.
I have an 18inch sub woofer and placed it 1/4 the length of the back wall at the back of the room. This give me a smooth bass.
Second sub woofer could be use to smooth out the bass response in the room.
clopez
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