MPC Audio Adapter (250-1099) Specifications Faxback Doc. # 2656 GENERAL Size (L x W)..............................7.9 x 3.9 inches (20.1 x 9.9 cm) Weight................................................Approximately 2 lbs. Frequency Response........................................100 Hz to 10 kHz Output Filter.......................Second order LPF @ 3.2 kHz, selectable Input Filter........................Second order LPF @ 3.2 kHz, selectable Input Filter........................Second order LPF @ 8.8 kHz, selectable Microphone Impedance..............................................600 ohms Microphone Sensitivity..............................-37.8 dBV to -17.8 dBV Line-In Impedance.................................................39k ohms Line-In Sensitivity.......................................-40 dBV to 6 dBV +5V Power Consumption......................................50 mA (maximum) +12V Power Consumption....................................500 mA (maximum) -12V Power Consumption.....................................30 mA (maximum) DAC Transfer Modes................................Direct mode and DMA mode Compression Schemes.............................8-bit data, no compression ...................2 to 1 compression: 4-bit ADPCM, hardware decompression .................3 to 1 compression: 2.6-bit ADPCM, hardware decompression ...................4 to 1 compression: 2-bit ADPCM, hardware decompression Programmable Sampling..............................4kHz to 44.1 kHz (mono) Rate.........................................11 kHz and 22.05 kHz (stereo) Stereo Amplifier.............4 watts per channel with 4 ohms stereo output Digital/Analog Mixer..................................Stereo DAC: 8 levels Levels....................................FM Music: 8 levels with steering ........................................................CD Audio: 8 levels .........................................................Line-In: 8 levels ......................................................Microphone: 4 levels ...................................................Master Volume: 8 levels (smc-11/18/93)