According to the manual, it only accepts MM cartridges.
Record player cartridges that can be connected to the DS-DAC-10R
The “Phono Input” of the DS-DAC-10R can only be used with an MM cartridge. For converting the
output level to MM cartridge, connect it to the input terminal of the DS-DAC-10R via a step-up
transformer or head amplifier for MC cartridge. You must also change “Line / Phono” to “Phono.”