Instruction manual

142 Concerto — Instruction Manual
Appendix A — Specifications
Analog Audio
Table 61 contains the specifications for the Analog Audio module.
Table 61. Analog Audio
General
Matrix card 128x32 Stereo
256x64 Mono
Crosspoint type Digital
Connectors Terminal block Single wire compression for solid or stranded cable: 20-28 AWG, One stereo pair per connector.
50 pin D Eight channel pairs per connector.
Output monitor Analog
Time code Bandwidth = 20 kHz
Inputs
Input type Balanced
Maximum input level Last two digits of part # 00-24 +24 dBu
Last two digits of part # 25-49 +18 dBu
Last two digits of part # 50-99 +15 dBu
Input impedance 24 k ohm (bridging)
Input Common Mode Rejection Ratio 74 dB minimum (20 Hz-20 kHz), typical 90 dB
Common mode voltage range 28.5 V maximum input signal peak
Delay to AES output 0.8 µSec
Outputs
Output type Balanced
Maximum output level (balanced) +24 dBu
Maximum load at rated specification (balanced) 10 k ohm (15nF) all channels loaded
Maximum load 600 ohm
Output impedance 100 ohm
Short circuit protection Yes
Delay from AES inputs 0.6 µSec
Output Common Mode Rejection Ratio 46 dB (@ 1 kHz)
Performance
Conversion Analog to Digital or Digital to Analog 24 bits
Analog signal delay through router 1.4 mSec
Frequency response 20 Hz to 20 kHz (±0.1 dB)
Gain accuracy ±0.1 dB at 1 kHz
Gain adjustment for 600 ohm Maximum level to +23.7 dBu
Crosstalk -95 dB (20 H-20 kHz, source impedance 150 ohm)
Noise floor -71 dBu maximum (20 Hz-20 kHz; -75 dBu typical)
Dynamic range Analog in to Analog out 95 dB
Analog to AES or AES to Analog 100 dB minimum (no weighting)
Static withstanding voltage 10 kV Human Body Model to inputs or outputs
Total harmonic distortion 0.025% (20 Hz-20 kHz) @ +24dBu
Switching transients None – shaped edges (dunking)