????? ?????????????????? ????????? ????????????????????? ???????????? ?????The Topping preamp's channel separation was superb, at 110dB in both equally Instructions down below 2kHz, and lowered only a little, to 90dB at the very best on the audioband.?? ?? ?? ?? ?? ?? ?? ?? ?? ??? ?? ?? ?? ?? ??? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ??? ?? ?? ?? ?? ?? … Read More