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Xonar Essence STX + DTA-1 + SUB-1000 = how to make it happen?

post #1 of 6
Thread Starter 
Any audio experts out there? I've tried perusing through various posts in these forums, as well as Google searches, and I'm missing something. Usually my sound set up in something weak...like a Wal-Mart quality subwoofer/monitors that come in some weak Logitech-like set...so my experience with actually putting together a decent sound system is limited.

I purchased: Dayton DTA-1 Class T Amplifier + Dayton B652 Bookshelf speakers, a Dayton 10inch Subwoofer SUB-1000, and some speaker wire recently and all this is going to be connected to the back of a Xonar Essence STX soundcard on the back of my computer. It was a setup that was recommended to me but the only problem is I'm not sure how it all relates to each other.

The DTA-1 (a small amplifier)
http://i-cdn.apartmenttherapy.com/uimages/unplggd/032709_pt_tamp_back.jpg

And the SUB-1000
http://www.parts-express.com/pe/showdetl.cfm?partnumber=300-628

Will connect to the back of this...somehow...
http://cache.futurelooks.com/wordpress/wp-content/uploads/2009/03/asus_xonar_essence_stx-14.jpg

And, to clarify on that picture, from left to right we got:

1. Front right out port - RCA connection
2. Front left out port - RCA connection
3. Headphone out port (manual for the soundcard specifically states NOT to connect any speakers to this...might blow them out) 6.3mm (or 3.5 if I use a connector) jack connection
4. Microphone In Port (for when I finally get myself a modmic) - 6.3mm (or 3.5 if I use a connector) jack connection
5. S/PDIF (I've always been fuzzy on what the hell this did). - RCA connection

So...I'm not sure how to connect all this up. First of all where will the sound be output from the STX? Will it be through the front left/right connections straight into the subwoofer or does it somehow go through the DTA-1 first? If that's the case how does the DTA-1 enter the equation. If the connection is first made to the DTA-1 and THEN to the SUB-1000 then how does the SUB-1000 itself get signal so it gets sound instead of merely acting like a relay? I literally tried using my phone like this and the speakers worked just fine, going from the DTA-1 to the SUB-1000 and then to the speakers, but the SUB-1000 was not doing anything more than just passing the signal along to the speakers. I feel like I'm missing something small or can't connect the dots...like having all the pieces to a small puzzle but can't seem to make them all fit.
post #2 of 6
Simple really.

STX RCA out --> Sub RCA in --> Sub Speaker (binding post) out --> (use these wires to go from binding posts to RCA out http://www.crutchfield.com/p_206KISL/Kicker-KISL.html and then get any old RCA to 3.5mm jack adapter to go from RCA to 3.5mm) --> 3.5mm audio in on the dayton amp --> binding post out to speaker.

Then turn it on. thumb.gif
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Yin&Yang
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post #3 of 6
Quote:
Originally Posted by Tjj226 Angel View Post

Simple really.

STX RCA out --> Sub RCA in --> Sub Speaker (binding post) out --> (use these wires to go from binding posts to RCA out http://www.crutchfield.com/p_206KISL/Kicker-KISL.html and then get any old RCA to 3.5mm jack adapter to go from RCA to 3.5mm) --> 3.5mm audio in on the dayton amp --> binding post out to speaker.

Then turn it on. thumb.gif
Isn't that speaker-level out on the sub to line-level in on the amp? If so can you kill an amp with that?

Is the DTA-1 a better amp that the one in the Sub, just put the speakers on the sub's speaker level outs?

Edit - Looks like a 100 watt amp in the sub and the amp is 15 per channel. You should prolly not use the DTA-1 and plug the bookshelfs into the sub, be a bit careful with the volume though, it's a 100 watt sub and 40 watt speakers - that should be safer than hooking the 100 watt sub to the line-in of the 30 watt amp though, there's prolly enough power to melt it. There isn't really any reason to feed a more powerful amp to a less powerful one.
Edited by Darren9 - 6/26/13 at 10:33am
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post #4 of 6
Quote:
Originally Posted by Darren9 View Post

Isn't that speaker-level out on the sub to line-level in on the amp? If so can you kill an amp with that?

Is the DTA-1 a better amp that the one in the Sub, just put the speakers on the sub's speaker level outs?

I doubt the sub as a better amp.

IDK about killing the amp. I have never had that issue before.....

For now I will say you are right. I have a bunch of junk audio equipment that I will play with to see if anything blows up smile.gif
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by Tjj226 Angel View Post

Simple really.

STX RCA out --> Sub RCA in --> Sub Speaker (binding post) out --> (use these wires to go from binding posts to RCA out http://www.crutchfield.com/p_206KISL/Kicker-KISL.html and then get any old RCA to 3.5mm jack adapter to go from RCA to 3.5mm) --> 3.5mm audio in on the dayton amp --> binding post out to speaker.

Then turn it on. thumb.gif

So, from what I am seeing, remove the DTA-1 from the equation (send it back), and use #1 and #2 (from my list) to connect directly to the back of the sub-1000 where it says line-in (red + white RCA connections), and that's that?
post #6 of 6
Thread Starter 
Well I've gotten it to work in the most bizarre of ways. At first I was just going to send it all back and simply get a home theater set from Parts Express but I thought I would at least try first. I have the left/right outputs plugging directly into the subwoofer and that gets me my boom (especially if I have the gain cranked up too high). This, however, does not power the speakers at all...which is where the DTA-1 seems to come into place. I've attached it directly to the headphone jack of the sound card and that seems to deliver the sound to the speakers. In addition the DTA-1 is passing along the signal to the SUB-1000 so that the DTA-1 acts as a volume control for everything. I don't know if this is a proper configuration, as I can't test it to the full extent at just this moment, but it seems to work just fine. I even added in an extra pair of speakers to the SUB-1000 to increase the overall depth of sound. I'll also be adding a splitter to the headphone jack off the Xonar Essence STX and attaching my modded HD558's as well so I can simply turn the DTA-1's dial on top of my desk and yet still have headphones to listen to if I wish.
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