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Found 2 results

  1. Noise!

    Hi all, I'm aware there have been other threads on this but have already tried other 'solutions' but to no avail so I thought I'd start my own thread specific to me. I'm getting noise coming through my speakers and I think it must be EMI/RFI as the noise is related to activities like moving my mouse. My PC is custom built with a very small case, which I fear might be the problem with all the components packed close together but I could be wrong of course. See parts list here. My DAC is an Arcam rPAC and I have an unbalanced passive volume control between the rPAC and my speakers (KRK VXT6 monitors w. KRK 10s sub). All I have connected to the PC is a keyboard, mouse, webcam and the DAC of course. The noise seems to be worst when the passive volume control is around the middle for some reason. After doing my own research, I think getting a USB isolator might be the best choice but before buying it, I'd appreciate anyone's input who has had experience with these! Pretty simple set up. Hopefully someone can help me out
  2. Hi all, I get really irritating noise from my speakers when my DAC is connected and I don't know what is causing it and how to deal with it. Here is my audio supply chain: Custom built PC >>> Arcam rPac (USB) >>> KRK 10s & KRK VXT6 (x2) I have tried different USB cables (even bought a gold-plated one to see if it would make a difference) but to no avail. It also doesn't make a difference where I place the DAC. I have a feeling it's from the PSU in the PC? Or the motherboard? I'm thinking of buying a USB isolator (something like this http://hifimediy.com/index.php?route=product/product&product_id=122 or this USB-ISO - OLIMEX - USB ISOLATOR, 1000VDC, FOR PC | Farnell UK. Do you think this will solve it? Thanks for all your help.