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Volume Settings/Control - DAC vs Preamp?

I have a Bluesound Node 2 as my DAC and the Bluesound App has volume control. This is connected to my tube preamp which obviously has a volume control as well. What is the school of thought on volume settings and where to control volume during playback? Should I set the DAC's volume to a certain fixed level (and what should that setting be - low, mid, all the way up?) and adjust volume from my preamp? Or vice-versa? Does it matter? It's way easier to control volume via the Bluesound app as my preamp has no remote but I can live with either solution if it makes a difference.

I have combed through a number of similar posts but not sure I got a clear answer.
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stray_cat
32 posts
 
I've been considering the node 2 myself so have been doing research. If I remember correctly, it uses a 32 bit dac chip with on-chip volume control and the math as per ess' explanation proves there is no degredation of sound, ideal if you're using the node 2 as your only source.

You could try that straight into the amp and ket us know. If you need the preamp due to having other sources, I agree with reubent's suggestion. It would sound best that way.
audioengr
3,282 posts
 

For best signal to noise behavior, I recommend max output from the source and then reduce it at the latest point, the integrated amp.

Steve N.

Empirical Audio

chrshanl37
622 posts
 
When I purchased my Node 2 last year I had a modest set-up consisting of a Peachtree Grand Pre and a Sunfire stereo amp. At the time I was using the dac in the Peach but had to bypass it to listen to Tidal MQA tracks. Then I started just using the Node as the preamp because that was the only source I had at the time. Worked great and did not really notice any degrading of the sound or loss of transparency even at lower volumes. I also like the fact that you can easily synch a remote control to the node.
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mesch
1,679 posts
 
If not bypassing the preamp, I would operate the Node 2 at full volume, unless the gain is such that you can't use the preamps volume beyond 9-10 0'clock. If that is so, back the volume off a little such that you are using the preamps volume around 12 o'clock.
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kalali
1,645 posts
 
This is a great question and someone asked it on the Bluesound forum and the helpdesk's response was controlling the volume using the application should not negatively affect the sound quality. In other words, there's no "bit-stripping". I have also compared controlling the volume between the app's volume control and my preamp and couldn't hear a difference. With all that said, I still always set the volume at max on the app and control it from the preamp, just as a matter of principle.
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