Myron&Davis NV8ACC1 - Manual (Page 30)

The output signal is analog
True form source code flow of the DVD is sent via the digital port
The code flow of the disc has been decoded before it was encoded into the
PCM digital signal output. Entry is selected when the DVD audio analog
output signal is connected with 2-channel digital stereo amplifier
The greater the dynamic range compression rate, the less obvious
the dynamic range difference