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A novel way to massively improve the SQ of computer audio streaming


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Most important: please realize this thread is about bleeding edge experimentation and discovery. No one has The Answer™. If you are not into tweaking, just know that you can have a musically satisfying system without doing any of the nutty things we do here.

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6 minutes ago, welldone said:

I'm intending to buy a new HDplex 200 to feed 2 Lps1 (1 for SMS200, 1 for TX-USB Ultra). Is that a good idea? Please give your recommendation. Thanks.

After the first 250 LPS-1.2 orders are shipped, we will begin offering our 7.5V/4.8A/36W adapter separately for $15 to those who want one.  Until then, there is a CUI brand 12V/2.5A/30W unit available in the US from DigiKey and other distributors (https://www.digikey.com/products/en?keywords=102-4104-ND.  This is one that I personally confirmed connects AC ground to DC output "ground." 

 

Hope this helps.

--Alex C.

 

I recently purchased and received the CUI supply that Alex mentioned above and the results have been fantastic. I am powering two LPS-1's, which in turn are powering my sMS-200 and HDTA Serenade Pro Dac respectively. My system has never sounded better and they were only $17 each. UpTone will be offering a similar item in the future. FYI!

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  • 2 weeks later...
5 hours ago, manishex said:

Any recommendations on what to upgrade that lps-1 meanwell SMPS to? 

Having checked a bunch of Mean Well units, including a couple of the their "medical" ones, I can tell you that the odds of the one you are looking at being designed with its DC zero-volt output "ground" common to the AC inlet ground are very slim.  For whatever reason, Mean Well does not seem to do this with any of their units.  I tried for months to get an answer from the factory about this--and to get them to make us 1,000 units with the change--and got nowhere.  That's why we moved to a different supplier for the LPS-1.2 charger.  Even then, the shunting is not something that is found in the spec sheets--we had to buy lots of samples to find one.

 

After the first 250 LPS-1.2 orders are shipped, we will begin offering our 7.5V/4.8A/36W adapter separately for $15 to those who want one.  Until then, there is a CUI brand 12V/2.5A/30W unit available in the US from DigiKey and other distributors (https://www.digikey.com/products/en?keywords=102-4104-ND.  This is one that I personally confirmed connects AC ground to DC output "ground." 

 

Hope this helps.

--Alex C.

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  • 2 months later...
7 hours ago, Gavin1977 said:

Anyone else powered their DSL router using a linear power supply?  I am also wondering what effect it might have if it's so far downstream...  

I am using the "El Cheapo" to power my Actiontec C1000A for Century Link, working and sounding excellent.

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