2. amps-preamps
  3. 156319-145131

Can I use a Bluesound Node 2i as a Preamp?

I just recently purchased a Bluesound Node 2i to use with my CXA80 integrated amp. However in future  I’m looking at upgrading to a high end power amplifier. As I’ve had the CXA80 for years I want to try a few different DAC’s etc. So in future I’m looking at buying a high end power amp I can plug some RCA cables into and use some different bits of kit. 
Whilst I was on the phone to the guy from the audio store, whilst purchasing the Node 2i I asked about connecting the Node 2i to an NAD M22 as an example. He warned me not to do that for too long, as I’d need a proper Preamp, he was warning me that the Node 2i is not a Preamp. Fair enough but I am a bit confused, what does a Preamp have that the Node 2i does not? How do you define what a Preamp is then? What is the risk of connecting a Node 2i to a M22 directly via RCA? Or is this just a traditional thing that you need a big preamplifier for a big amplifier? I can’t figure out what the reasoning is. Is this to do with grounding of the preamp? or something else? Any feedback would be appreciated. 
andyboom

Showing 1 response by lowrider57

lowrider57's avatar
lowrider57
5,418 posts
 
The Node 2i is a source only.
The M22 is a power amp and may not be compatible with the Node as a source due to impedance and gain issues.
A preamp will accept the Node 2i as a source with a matching input impedance and proper gain. You’ll then use the volume control to select proper gain to the amp, such as a M22.
It has nothing to do with grounding and everything to do with matching the gain of the source; eg, Node, TT, CD player.

The CXA80 is an integrated amp, meaning it has it’s own preamp section. It also accepts digital inputs. Use one of the digital outputs of the Node into a digital input on your current amp.


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