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X.200
Digital X Bus
Appendix C: Technical Info
Specifi cations (preliminary)
(All specifi cations are subject to change without notice.
All measurements were calculated between 44.1 kHz
and 96 kHz sampling frequencies. For these preliminary
specifi cations, no measurements were calculated for
192 kHz sampling rate.)
Dynamic Range (maximum signal level to noise level)
Dynamic range measurements are identical for all
Option Cards
22 Hz to 22 kHz @ 48 kHz SR FS
22 Hz to 40 kHz @ 96 kHz SR FS
Analog In to Digital Out
• 111 dB @ 48 kHz
• 110 dB @ 96 kHz
Digital In to Analog Out
• 108 dB @ 48 kHz
• 108 dB @ 96 kHz
Analog In to Analog Out
• 108 dB @ 48 kHz
• 106 dB @ 96 kHz
THD+N
Measured from analog channel input to analog direct output
• <0.02%, 20 Hz to 20 kHz @ +14 dBu (48 kHz SR,
measurement BW = 10 Hz to 40 kHz)
• <0.02%, 20 Hz to 40 kHz @ +14 dBu (96 kHz SR,
measurement BW = 10 Hz to 80 kHz)
Crosstalk
•
Better than –80 dB @ 1 kHz (adjacent input channels)
Microphone Inputs
Measured @ 20 Hz to 20 kHz bandwidth, maximum input gain
Rs = 150 ohms
Input pad = Off
• Microphone Input Sensitivity: –75 dBu
• E.I.N: –127 dBu
Latency
Channel processing enabled/disabled does not affect latency
measurement.
All analog I/O measurements are the same for any analog con-
nection on any Card.
All digital I/O measurements are the same for any digital con-
nection on any Card.
@ 44.1 kHz – 48 kHz SR
• Mic/Line In to Line Out:
246 samples (± 2 samples)
• Mic/Line In to Mix Bus Out:
256 samples (± 2 samples)
• Digital In to Digital Out:
187.5 samples (± 2 samples)
• AES Input with SRC enabled:
+139 samples
@ 88.2kHz - 96kHz
• Mic/Line In to Direct Line Out:
426 samples (± 2 samples)
• Mic/Line In to Mix Bus Out:
434 samples (± 2 samples)
• Any AES Input to any AES Output:
508 samples (± 2 samples)
• AES Input with SRC engaged:
+139 samples
Analog Input Sensitivity
All input sensitivity measurements are within ±0.2 dB
LINE CARD INPUT
1 kHz tone with 150 ohm source
• With a +4dBu input reference:
0 dBFS = +24.3 dBu
• With a –10 dBV input reference:
0 dBFS = +11.0 dBV
MIC/LINE 4 OR MIC/LINE 8 MIC INPUT
1 kHz tone with 40 ohm source
• At 0 dB input gain with –10 dB pad engaged:
0 dBFS = +24.9 dBu
• At 0dB input gain without –10 dB pad:
0 dBFS = +14.8 dBu
• At maximum gain (+65 dB):
0 dBFS = –50.9 dBu
MIC/LINE 4 LINE INPUT
1 kHz tone with 150 ohm source
• With a +4 dBu input reference:
0 dBFS = +24.1 dBu
• With a –10 dBV input reference:
0 dBFS = +10.8 dBV
MIC/LINE 8 LINE INPUT
1 kHz tone with 150 ohm source
• At 0 dB input gain with –10 dB pad engaged:
0 dBFS = +25.7 dBu
• At 0dB input gain without –10 dB pad:
0 dBFS = +15.7 dBu
• At maximum gain (+65 dB):
0 dBFS = –50.0 dBu