John Hardy MPC-600 Mic Preamp Card: Superior Replacement for MCI 600-Series Pr

- 990 Discrete Class-A Op-Amp

- Elimination of all coupling capacitors from the signal path

- 1% 100ppm Metal Film Resistors

- Electrolytic Capacitors with a 105C Temperature rating

- Fully Sealed 25-turn Cermet Trim Pots

- E.I.N., 20-20kHz unweighted

- 150 Ohm source: -129 dBu

- 0 Ohm source: -132 dBu

- Maximum input level =20Hz: +9 dBu

- Maximum output level at 990 output 75 Ohm load: +21 dBu

- CMRR

- 100Hz: 100 dB

- 10kHz: 80 dB

- Deviation from linear phase 20Hz-120kHz: < 2 deg

- 60dB gain, 10k Ohm load, +21dBu output

- 10kHz: 0.005 %

- 1kHz: 0.004 %

- 40dB gain, 600 Ohm load, +21dBu output

- 10kHz: 0.003 %

- 1kHz: 0.003 %

- 40dB gain, 75 Ohm load, +21dBu output

- 10kHz: 0.030 %

- 1kHz: 0.005 %

- DC offset < 100 µV