Grace Design m201mk2 2-channel Microphone Preamp
Grace Design m201mk2 2-channel Microphone Preamp Features:
Extracts maximum performance from every mic in your locker
Proprietary Ribbon Mode optimizes ribbon mic performance
Enormous headroom, ultra-wide bandwidth:
3.2Hz–530kHz (± 3dB, 150Ω source, 20dB gain)
14.8Hz–109kHz ( ± 0.2dB, 150Ω source, 20dB gain)
3.2Hz–500kHz (± 3dB, 150Ω source, 40dB gain)
15.4Hz–103kHz ( 0.2dB, 150Ω source, 40dB gain)
Ultra-low harmonic distortion (THD+NP):
At 20dB gain +20dBu out, 1kHz: <.0008%
At 40dB gain +20dBu out, 1kHz: <.0009%
At 60dB gain +20dBu out, 1kHz: <.0070%
Ultra-low Intermodulation distortion:
SMPTE/DIN 1:1 (50Hz, 7kHz): <.0007%
SMPTE/DIN 4:1 (50Hz, 7kHz): <.009%
Noise (referred to input):
At 60dB gain, 50Ω source 22-22kHz: -130dB
At 60dB gain, 150Ω source 22-22kHz: -127dB
Phase deviation:
At 40dB gain 40Ω source 75Hz-45kHz: <3°
Crosstalk:
Any Channel @40dB gain, 1kHz: -140dB
Any Channel @40dB gain, 10kHz: -130dB
CMMR:
At 60dB gain, 3.5Vcm, 1KHz: >85dB
At 60dB gain, 3.5Vcm, 10KHz: >75dB
Switchable phantom power:
Voltage +48V: ±1.0V
6.8kΩ resistor match tolerance: ±0.1%
Maximum Output Level: 1kHz, 100KΩ load: +28dBu
Impedance:
Input Nominal: 8100Ω
Input Ribbon Mode: 20KΩ
Input Pad Engaged: 1.3KΩ
Output: 150Ω
Power Consumption
100-240VAC 50/60Hz: 10 Watts max
Polarity invert; 20dB pad
Rear-panel, per-channel I/O: 1 XLR Mic input, 2 XLR line outputs
1U 19" rackmount chassis