Ethernet cables

Hello, did you use the Grun version of the Atlas Mavros ethernet cable? 

If so, did you listen with and without grounding the cable? 

I have the basic Wireworld Starlight connected from the modem to the router. It's sound quality was noticeably better than the cheap cable I previously used. However, I wasn't able to hear the differences between ethernet cables until the modem and router were fed by a linear power supply. 

Search other threads in Audiogon regarding powering your modem and router with LPSs.

High quality ethernet cables can expose a weak point of your system which might be dirty AC.

The combination of LPSs and a better ethernet cable made a positive improvement in my system. 

@lowrider57 What is the Swagman Labs LPS powering?

The RF sniffer seems like the type of gadget that would be found at RadioShack (RIP). I haven't used a RF sniffer but it would be interesting to see it's results after scanning my system. 

@lowrider57 I use an Uptone Audio JS-2 power supply which has dual output. Therefore, the modem and router were upgraded simultaneously with the introduction of the single JS-2 unit. The point is to remove wall warts out of the system. 

@lowrider57 There's no alternative to an LPS. I highly recommend that you utilize an LPS for the router. The cable of the power supply also makes a difference in sound quality. I've made my own from V-Quad Cu21.  

@ludwig99 You might want to consider upgrading your modem as well. DOCSIS 3.1 modems can unlock faster internet speeds from your service.

You should re-evaluate ethernet cables once you've addressed the power supply upgrade. You should be pleasantly surprised.