I've just been fiddling with my set up to track down a hum. In the process I was switching sources i.e different computers.
My set up is:
Computer (Foobar) via usb to Burson HA-160D, pre-out connected via chord phono to Audiolab 8000PX power amp. (All cables are chord, usb cable is a wireworld starlight or something)
I was switching the source from my computer's usb out to my girlfriends laptop. Both computer's were playing the same flac file, both at 24bit 96hz and the difference was very noticeable.
The unpleasant surprise was my girlfriends laptop produced a better sound. My computer was producing a boomier uncontrolled base. Don't get me wrong, both sounded very good, but the laptop had the edge on a more refined bass.
My question is how on earth can two different usb boards with the same cable etc be producing noticeably different sounds? Surely its just 10101010?
I've tried every different usb slot on the computer and it is all the same. Can anyone recommend a high quality USB PCI card?
I am totally confused by this