Seeking informed recommendations for power cables and interconnects

https://highend-electronics.com/products/synergistic-research-red-black-uef-power-cords

Not affiliated with manufacture

Here is what I use for core wire but not sure about the connectors. They might be able to upgrade the connectors. Many manufacturers use the 2549 cable with a custom outer jacket. 

https://www.amazon.com/Foot-Directional-High-Definition-Interconnect-Connectors/dp/B01ALFWF7E/ref=mp...

They might carry Mogami speaker wire terminated also. 

I’m very happy with my interconnects from Silnote. They are out of Roanoke, VA, very helpful over the phone and only sell direct. The bang for your buck is massive after considering the large middleman markup of dealers. My Apogee Acoustics Duettas are very sensitive speakers and I have very clean feeds coming from my Balanced Audio Technology VK-600 w/ BAT pack solid state amp and VK-5i tube preamp. They match incredibly with Silnote’s interconnects. I’m using their entry level XLR to XLR from my amp to preamp and XLR to RCA to my Node2 streamer (mostly Tidal lossless and MQA source). This hobby is all about the ration of cost to return on sound investment. From this perspective, I find it crazy when people say power cables are more important than interconnects. Unless you have a noise issue with your components your return on investment is going to be minimal with power cables compared to interconnects and speaker cables. My approach is to also match make/model of interconnects between components (preamp to various components) because you want to minimize X factors that will impact the sound “stream”. Key is to keep the system as straight forward as possible and hence the sound as clean as possible. 

Cardas Clear Lite Interconnect is 1/2 off retail

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Take a look at Signal Cable power cords & Interconnects. I used them exclusively on a fairly high-end bedroom system. I found that their products were comparable to the much, much more expensive stuff in my main system & you can maintain your budget...bang for the buck ratio is high.
Doug