When compared with the HD 558 and HD 280 Pro, the sound is perceived more easily and in more detail (as I already wrote in the merits). In principle, 560m is enough for 2V RMS (actually the standard output of most s / c and DAC) to go deaf in them, even the Samsung A50 output is enough (although clipping is heard at maximum speed). At the beginning there was some sharpness in the midrange, but after 2 hours of use it almost disappeared and the sound became a little more voluminous. I think that with further warming up the sound will be even more voluminous and detailed. DAC source on AD1853 (AD8066 in i/v, LT1468 in LPF), mode A amplifier LME49710+Diamond Buffer with MJE15034+MJE15035 output with 80 mA TC.
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