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Post by Trey on Dec 2, 2010 14:25:55 GMT -5
I'm thinking about the XDA-1 and using it as 2 channel setup but want to use a sub as well. Can I use both balanced and unbalanced outputs at the same time? If not, any recomendations? I plan to use my Oppo BDP-93 as a source via optical and 2 unused channels on my XPA-5. Thanks!  |
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Post by CrazyBlue on Dec 2, 2010 15:09:28 GMT -5
Yup. Both active.
That's my plan as well, at least until I can afford the XSP-1 and it's released. Balanced to amps and unbalanced to sub.
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Post by pdaddy on Dec 2, 2010 15:30:04 GMT -5
So in this mode I would send the full spectrum to the left and right as well as the sub? Does that cause any issues without some filtering provided through some bass management or crossover?
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Post by Trey on Dec 2, 2010 15:57:05 GMT -5
I plan to use the sub crossover and volume control.
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Post by briank on Dec 2, 2010 16:40:15 GMT -5
Vince advised they used both outputs at RMAF with good results, so I've ordered more cables to try this as well. RCA's to sub and XLR's to amps.
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Post by pdaddy on Dec 2, 2010 18:35:51 GMT -5
Great plan! I will do the same.
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LCSeminole
Global Moderator 
Res firma mitescere nescit.
Posts: 20,850
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Post by LCSeminole on Dec 2, 2010 18:53:02 GMT -5
Great plan! I will do the same. Me as well, though this will make me entertain buying another Ultra 12 in the new satin finish. ;D |
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Post by roadrunner on Dec 2, 2010 19:16:57 GMT -5
Just a heads up for those looking to use the RCA to feed your powered subs. Most sub woofers only have one RCA input on the back of the sub, and you must choose between the L or the R RCA. Use the L RCA as this is usually the connection that carries the bass signal. Sometimes both L and R carry the same bass info, but not always -- using L is the safest choice. This is an old holdover from the LP days of prominance when the mixer put all the bass in the L channel.
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Post by Trey on Dec 2, 2010 20:04:41 GMT -5
....or just use a stereo to mono RCA adapter. Works great for my sub.  |
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Post by briank on Dec 2, 2010 20:41:22 GMT -5
I'm also curious to see if using both outputs on the XDA-1 helps the volume issue. I would try it tonight but I don't have any XLR cables laying around.  |
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Post by franksonic on Dec 5, 2010 20:35:30 GMT -5
I have a Paradigm Seismic 12 with a RCA and XLR input . I already use the RCA for Home theater use. Can i plug a XLR using the left XLR of the XDA to the XLR input of my sub?
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Post by Trey on Dec 5, 2010 22:09:06 GMT -5
Good idea, might as well try it out.
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Post by pdaddy on Dec 6, 2010 21:03:11 GMT -5
Got it all hooked up tonight and it's great! MacBook Pro to XDA with XLR connection to XPA 2 and RCA from XDA to my Klipsch Sub12. Now I just have to figure out if there is any solution to play my SACD's from my Oppo BDP83 through the XDA. Looks like a copy protection issue per the other thread on this topic.
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glenn
Seeker Of Truth
Posts: 4
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Post by glenn on Dec 6, 2010 21:19:19 GMT -5
RE: use a stereo to mono RCA adapter to single RCA on sub.
FYI, Lonny, Emotiva's CTO advised me NOT to combine RCA outputs to drive my sub... You might call him to ask why; can't recall....
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Post by pdaddy on Dec 6, 2010 21:53:50 GMT -5
Lonnie? You listening? Any issue with my setup above?
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Post by juztaylor on Mar 7, 2011 2:02:28 GMT -5
Has anyone got any feedback from the 2.1 solutions outlined above.
I am starting to think that my setup would welcome a little more extension but I only have an XDA-1 to XPA-2 combination.
If I add a good sub to this scenario by using the RCA what are going to be the drawbacks (assuming I can get a sub with both L&R inputs)?
I am also thinking of getting an XSP-1 when it is released for this reason but obviously I would prefer not to spend the extra just so I can spend more on a sub?
Cheers
JT
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wc
Minor Hero
Posts: 15
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Post by wc on Mar 7, 2011 13:21:29 GMT -5
Has anyone got any feedback from the 2.1 solutions outlined above. I am starting to think that my setup would welcome a little more extension but I only have an XDA-1 to XPA-2 combination. If I add a good sub to this scenario by using the RCA what are going to be the drawbacks (assuming I can get a sub with both L&R inputs)? I am also thinking of getting an XSP-1 when it is released for this reason but obviously I would prefer not to spend the extra just so I can spend more on a sub? Cheers JT What sort of connections does your sub have? If your sub has RCA ins and outs, you can run the RCA outs from the XDA-1 to the sub RCA ins and run the sub RCA out to the XPA-2. That is the way to do it if you don't want to run a full range signal to to your speakers and your preamp doesn't have any bass management. If your sub doesn't have any outputs, like the new Emotiva subs, your only option is to run the balanced outputs out of the XDA to the XPA and the RCAs from the XDA to the sub. This would send a full range signal to the speakers and some added bass from the sub. The XSP will change things, since it has onboard bass management. If it ever gets released. |
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Post by bobpensik on Mar 7, 2011 15:08:00 GMT -5
I have a Paradigm Seismic 12 with a RCA and XLR input . I already use the RCA for Home theater use. Can i plug a XLR using the left XLR of the XDA to the XLR input of my sub? I would like to confirm if this works too |
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Post by juztaylor on Mar 8, 2011 0:07:37 GMT -5
what is the generally accepted way of doing this? A guy in a shop today that was trying to sell me a Velodyne Optimum 10 was saying that he would do speaker level inputs from the XPA-2 to the sub? Is that right? He also thought that if I wanted to i could run the L&R to the sub from the XDA-1 and it would be ok as you probably still want some of the low end stuff from the RX6s that i have.
What difference will the XSP make? This is my first foray in to subwoofers so I am pretty green here.
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Post by bobbyt on Mar 8, 2011 6:08:48 GMT -5
I don't think there's any reason why you couldn't use your RCAs for stereo and an XLR for your sub, but if you have the option to do the reverse, you should. It would be better to use your balanced connections for stereo and unbalanced for the bass.
As far as not combining the RCAs, I'm curious to hear the rationale. The only thing I could think of is if you're combining the (nearly identical) signals and ending up with a boost, but correcting the sub's gain should fix that.
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