Accuphase AD-50 Analog Disc Input Board
The AD-50 is a phono equalizer option board that brings analog record playback to compatible Accuphase integrated amplifiers and preamplifiers that don't have it built in.
Front-panel MC/MM switching makes it easy to use day to day, while internal DIP switches let you dial in MC load impedance and toggle the subsonic filter to match your cartridge and turntable.
| MC : | Moving Coil type |
| Gain : | 66 dB |
| Input Impedance : | 30/100/300 ohms (selectable) |
| MM : | Moving Magnet type |
| Gain : | 40 dB |
| Input Impedance : | 47 kilohms |
C-2120 GUARANTEED SPECIFICATIONS ( Measured according to EIA standard RS-490. )
| Switch Position | Sensitivity | Frequency Response 20Hz～20kHz | S/N ratio (EIA) |
| MM | 2.5mV | ±0.3dB | 86dB |
| MC | 0.126mV | ±0.3dB | 84dB |
SUBSONIC FILTER ： 25Hz -12dB / octave
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