Accuphase AD-10 MM: This is the position for MM cartridges with high output voltage. Gain: 36dB Input impedance: 47kΩ MC: This is the position when using MC cartridges with low output voltage. Gain: 62dB Input impedance: 10/30/100Ω switchable ● Guaranteed Characteristics (Performance conforms to EIA measurement method RS-490) Switch Position Input Sensitivity (At E-308 rated output) Frequency Response 20Hz～20kHz S/N At rated output MM 2.2mV ±0.2dB 82dB MC 0.11mV ±0.2dB 66dB ● SUBSONIC FILTER: 25Hz -12dB/octave ● Compatible Models C-2000, C-245, C-265, CX-260, E-307, E-308, E-407, E-408, E-530, E-550, E-350, E-450, C-2110 Price reduction possible. Shipping will take time due to work. Please contact me before purchasing.