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