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Connecting a dac/amp with a subwoofer and speakers.

post #1 of 7
12/23/10 at 12:17am
Thread Starter 

Hi, I will be purchasing a dac/amp, bookshelf or studio speakers, and a subwoofer over the holiday. However, I do not know how to connect them at all. I want to connect all with RCA but don't now how to connect and if I need additional cables (Y cable?). Sub - Line In RCA, Dac - Dac Out RCA, Speaker - Line Out RCA. Thanks.

 

Subwoofer: Polk Audio PSW111

513lKjkTqLL.jpg

 

Dac/Amp: Audio-GD NFB-12

 

NFB122s.JPG

 

Speaker: Have not chosen one but will use KRK rockit as example

 

krkrear.l.jpg


Edited by FeiJai - 12/23/10 at 12:48am
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post #2 of 7
12/23/10 at 9:47am
Thread Starter 

USB > DAC >

 

Would these options work? If they do, do I go with:

Option 1 - connect Dac and speakers to Subwoofer

Option 2 - connect speakers and subwoofer to dac

Option 3 - connect dac and subwoofer to speakers

 

123.png

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post #3 of 7
12/26/10 at 1:34pm

Any dac/amp unit is not designed to do what you're looking for. If you get powered speakers, the easiest way would be to get a receiver with pre-outs (any cheap 5.1 receiver will do). Then use the dac's outputs via rca to the receiver's inputs, then the receiver's left/right front channel pre-outs via rca to the speakers, and the sub out directly to the sub via rca y cable. Even if you don't get powered speakers, adding the receiver would still be the best option. That dac has a fixed line level output meaning you cannot control volume if you're not using the headphone output. The receiver will act as a pre and you will be able to control volume through the receiver.


Edited by computerparts - 12/26/10 at 1:55pm
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post #4 of 7
12/26/10 at 2:45pm

Unless he buys a dac that can be used as a pre-amp.

 

Why not passive speakers? Integrated amp?

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post #5 of 7
12/26/10 at 7:50pm

if your using your dac only with your computer, or if the dac has a volume control that effects the line outs, you could just use a crossover after the dac.

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post #6 of 7
12/27/10 at 5:35pm
Thread Starter 

Originally, I was going to get the Asus Essence STX soundcard for headphone and speakers/subwoofer but people recommended a dac/amp instead. Would it be easier to connect 2.1 speakers/subwoofer to the soundcard?

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post #7 of 7
12/27/10 at 9:09pm

You can buy a preamp that has two sets of output. So you connect 1 output to the speakers and the other to the subwoofer. You don't need an external crossover. Your speaker  has an attenuator switch to adjust the level and your subwoofer has a low pass filter and a volume control also to adjust the level. These will enable you to tailor the sound to your liking.

 

One other thing, if Audio-gd can put two sets of output as an option, you don't even need a preamp. The DAC that you are buying already has a volume control.


Edited by wuwhere - 12/27/10 at 9:18pm
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