Sorry, I can’t find the thread on upgrading router power supplies but it was pretty simple. Here is an excerpt from an email conversation I had with a friend, which elaborates on the topic:
Digital gear responds very well to better power, be it a good power filter, power cord or dedicated power supply. You heard what a big difference just changing the one power cord on your Simaudio streamer/DAC made. The router/gateway device is at heart a piece of digital audio gear when you stream music to your high end system through it. Using a power supply to drive this piece of gear that has more to it than the bare data transfer minimum of the OEM wall wart just sounds better. Is it because there is a 2 pound transformer in it rather than a 2 ounce one? Or, is it the added ability to use an audiophile power cord and fuse - or a sum of all these things? I don't know, but Iknow it sounds better. Better bass, imaging, pretty much everything. I can't believe I never thought of this before now! The power supply is about $60, with the plugs, etc., a few bucks more. Though you will need a volt/amp meter and soldering iron if you don't have them. If you are running a G1100 wireless gateway/router, from FIOS, you need a 3.5MM X 1.35MM DC power plug. The whole build is just making two solders to wire on the end of the plug, setting the appropriate voltage inside the power supply by turning a little dial until 12V is reached on the multi-meter, and connecting it all up.
Anyway, this may be pedantic to some of you but it was pretty interesting to me that it made a difference and directly related to one aspect of getting good sound from computer based audio.
Digital gear responds very well to better power, be it a good power filter, power cord or dedicated power supply. You heard what a big difference just changing the one power cord on your Simaudio streamer/DAC made. The router/gateway device is at heart a piece of digital audio gear when you stream music to your high end system through it. Using a power supply to drive this piece of gear that has more to it than the bare data transfer minimum of the OEM wall wart just sounds better. Is it because there is a 2 pound transformer in it rather than a 2 ounce one? Or, is it the added ability to use an audiophile power cord and fuse - or a sum of all these things? I don't know, but Iknow it sounds better. Better bass, imaging, pretty much everything. I can't believe I never thought of this before now! The power supply is about $60, with the plugs, etc., a few bucks more. Though you will need a volt/amp meter and soldering iron if you don't have them. If you are running a G1100 wireless gateway/router, from FIOS, you need a 3.5MM X 1.35MM DC power plug. The whole build is just making two solders to wire on the end of the plug, setting the appropriate voltage inside the power supply by turning a little dial until 12V is reached on the multi-meter, and connecting it all up.
Anyway, this may be pedantic to some of you but it was pretty interesting to me that it made a difference and directly related to one aspect of getting good sound from computer based audio.