Hi guys. So recently I checked an RMAA test for the performance of a dac and I noticed that its stereo crosstalk value was around -57dB and RMAA rated it as "Average". So, what is the worst value of stereo crosstalk that is considered "acceptable"? Does stereo crosstalk degrade audio quality by...

Hello everyone! I've been visiting the Head-Fi forums for quite some time now and now I've just registered. I would like to seek some of your advices on deciding what my portable rig should be. Currently, I have an iPod Touch 4th Generation and an iPhone 5. I am planning to use them with a FiiO...