It is a convenient specification that is simply built into your AccuPhase control amplifier. The sound quality is also high resolution, which is typical of Accuphase, so you can enjoy the deeply engraved sound. MC/MM compatible, switching impedance, etc. is operated on the front panel of the connected amplifier. Serial L7Y029 (Takahashi Nobuyuki)
Accessories: original instruction manual box
Main specifications: Exterior Teflon-based printed circuit board DIN standard connector Compatible models: C-2810, C-2410, C-2800, C-2400, C-290, C-290V ※When used with C-2820, 300Ω load impedance does not connect