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grace design m201
owner’s manual
17
Specifications
A/D module specifications (line input)
Dynamic range
20Hz-20kHz >115dB
“A” weighting >117dB
THD+N
1kHz, -1dBFS, 20Hz-22kHz < 0.00026% (-112dB)
Frequency response
+/-0.2dB -3dB
44.1kHz Fs 5Hz-21kHz 22kHz
48kHz Fs 5Hz-23kHz 24kHz
88.2kHz Fs 5Hz-41kHz 44kHz
96kHz Fs 5Hz-45kHz 48kHz
176.4kHz Fs 5Hz-54kHz 72.5kHz
192kHz Fs 5Hz-59kHz 79kHz
Full scale input level +16dB or +24dB (+/-2dB trim)
CMRR
60Hz >65dB
1kHz >80dB
10kHz >60dB
IMD SMPTE 4:1 60Hz, 7kHz, -3dBFS <100dB (0.0008%)
Interchannel crosstalk <120dB
Group delay
44.1-48kHz 13/Fs
Sample rates, internal crystal (kHz)
44.1, 48, 88.2, 96, 176.4, 192
External Clock Lock Range
Wide lock mode 40.1kHz-207kHz (+/-8% at each sample rate)
s-Lock™ mode +/-250ppm (+350, -400ppm typical)
Intrinsic Jitter, 200Hz-20kHz BW
Wide lock mode < 60ps RMS
s-Lock™ mode < 40ps RMS
Jitter Rejection Corner Frequency
Wide lock mode, -3dB, 12dB/octave 800Hz
s-Lock™ mode, -3dB, 12dB/octave 10Hz
A/D sensitivity
Range A +22dBu = 0dBFS (18dB headroom*)
Range B +18dBu = 0dBFS (14dB headroom*)
*can be calibrated for any setting between +18dBu = 0dBFS and +24dBu = 0dBFS
preamplifier specifications (without A/D converter)
Frequency Response
@ 40dB gain ± 0.2dB (50Ω source) 18Hz-65kHz
@ 40dB gain ± 3dB (50Ω source) 4.5Hz-350kHz
THD+N
@ 20dB gain +25dBu out, 1kHz <.0008%
@ 40dB gain +25dBu out, 1kHz <.0009%
@ 60dB gain +25dBu out, 1kHz <.0070%
Intermodulation Distortion
@ 40dB gain +25dBu out
SMPTE/DIN 1:1 (50Hz, 7kHz) <.0020%
SMPTE/DIN 4:1 (50Hz, 7kHz) <.0030%
Noise - Referred to Input
@ 60dB gain 50Ω source -130dB
@ 60dB gain 150Ω source -127dB
@ 60dB gain 600Ω source -123dB
Phase Deviation
100Hz-20kHz @40dB gain <3°
Crosstalk
Any Channel @ 40dB gain 1kHz -125dB
Any Channel @ 40dB gain 10kHz -115dB
CMRR
@ 60dB gain, 3.5Vcm, 1kHz >70dB
@ 60dB gain, 3.5Vcm, 10kHz >70dB
Maximum Output Level
1kHz, 100KΩ load +28dBu
Impedance
Input 8100Ω
Input, ribbon mode 20kΩ
Output 190Ω
Peak Led Meter
Green threshold -14dBu
Red threshold +16dBu
Weight and Dimensions
dimensions 2U, 19” rack mount x 10” deep
weight 16.5lbs (7.5kg)
Power Consumption
100/120/230/240V~ 50-60Hz 20 Watts Max