Bluesound Node (2021) PS upgrade to Teddy Pardo; is it worth it?

I have recent experience with Teddy Pardo power supplies.  If you are going to use Blusound for a transport only with Denfrips as a DAC, then the Teddy Pardo is just fine.  However, I don't think Teddy Pardo is that great for analog device (such as DAC or preamp).  This is due to the types of main power supply caps it uses (Cornell SLPX) and the regulator circuit itself. 

For a digital transport power supply, it is very good and will defintely be an improvement over the stock Bluesound switching power supply.

My opinions are all based on listening.  I can't really give you a good "engineering description" of why I'm not getting the best sound from Teddo Pardo on analog components.  Sorry.

I don't want to discourage you with my comment.  The Teddy Pardo is a great product and if do the Teddo Pardo upgrade to your Bluesound, it will definitely be a significant upgrade in sound quality. 

At £400, it will be money well spent.  You would have to spend upwards of £3,000 to get a better dedicated streamer with good linear power supply and clocks (such as Aurender or Auralic).

It depends on your system (amp/speakers), but if your system has enough resolution, it will definitely show a difference when you upgrade a streamer/transport with a linear power supply - even if you just use it to send digital coax signals.

As far as Bluesound Node DAC vs Denafrips, it really comes down to personal preference on sonic signature. Based on what I have read, the Denafrips sound will have more weight and be thicker (maybe more natural as well due to the resistor ladder dac circuit).

If you want to try using the Blusound as a DAC, I would not do the Teddy Pardo solution. In addition to the types of caps and regulator Teddy Pardo has, the Buesound internal adapter card Teddy supplies does not have any additional filtering. It just has 3 regulators on the board to split the incoming voltage.

If you want to try to use the Blusound as a DAC and want to upgrade to linear power supply, I would get this internal adapter board (installs inside Blusound Node and replaces the internal power supply board):

bluesound-node-2-2i-upgrade-low-noise-psu-interface

Then you can use any external 5V linear power supply. I would recommend Farad Super 3. This solution is much more expensive than Teddy Pardo, but I think the results will be much better in the end if you want to use Blusound as a DAC.

What digital coax cable are you using?

Putting $435 linear power supply into a $600 streamer is definitely a cost effective bang for the buck.  The performance is definitely an improvement.  If you look at all the music servers vendors, they will have a significant price difference between a model with switching power and a model with linear power. 

The difference between Innous Mini and Innous Zen is about $1400.  The Zen had a linear power supply and maybe an spdif output.

Melco has a $3k difference between N100 and N10 with the N10 external linear power supply being the only practical difference.

I have attached a $600 linear power supply to a $300 Tivo Bolt (DVR) and it made a huge improvement in sound quality.  Anything linear power supply you do for the Node2/2i will be an improvement.