Fig.1 indicates a virtually ruler-flat frequency response, while in fig.2 the de-emphasis response indicates that no response-caused aberrations will be experienced with pre-emphasized discs. The fine squarewave response (fig.3) again is typical of a player with a linear-phase digital filter, but with a slight overshoot on the leading edge. And in fig.4, only the measured crosstalk from left to right is shown; the right-to-left curve practically overlays it.
Fig.1 JVC XL-Z1050TN, frequency response at 0dBFS (right channel dashed, 0.5dB/…