Setup.
Netbook -> 5 meter USB extension -> USB Dac - Interconnect -> Amplifier.
This has been working for several months without problems. Then earlier today I noticed my left channel was very weak. Switched to FM and no issus, so the problem was only in the netbook / Dac source. Initially i thought my DAC was the problem, checked for loose connections, change interconnect . Still the Same, not sure why I tried it but I removed the USB Extension cable and the problem was removed. Reconnected it and the problem was again present.
Now heres, the thing, The USB cable does not have left and right channels, its just one wire for data, which contains left and right channel info and the rest for ground and power, so why is it that only my LEFT channel is affected