My xduoo mt-604 has some contact problem, it is slight. Would a non-audiophile overlook it? Sure. It's in the left channel that depending on how you move the 4.4 and xlr output, you lose some frequencies. It also happens if you move the valves slightly. This drove me crazy to the point that I...

. Thanks for allowing me on here , much appreciated. To get to the point i have around 2000 tapes of live material from the 70's, 80's and 90's which i play via a Sony TAF 700 amp as well as a mountain of psych and prog lp's and my system is integrated into the laptop and a Sony dac ,via a...