Chapter 25: Audio Specifications 187
Chapter 25: Audio Specifications
D-Show Console
Internal Sample Frequency 48 kHz
External Sample Frequency 48 kHz +/– 10 ppm (word clock input)
Processing Delay less than 2.8 ms (96 channels, stage input through L–R bus to stage output)
Internal Processing up to 48-bit, fixed point
288 dB internal dynamic range
Frequency Response +/– 0.5 dB (22 Hz – 20 kHz BW, relative to 1 kHz)
THD + N less than 0.01% (Stage Input to L–R bus, input gain @ min, +4 dBu output, 22 Hz – 20 kHz BW
Dynamic Range 108 dB typ
Maximum Voltage Gain 84 dB (Stage Input to L–R bus, channel & L–R faders @ max)
Crosstalk –100 dB typ (Adjacent Stage inputs to L–R bus, @ 1 kHz)
Residual Output Noise –90 dBu typ (22 Hz – 20 kHz BW) *
Stage Rack
SRI Analog Input Card
Connector (x8) XLR3–F
Phantom Power +48V (individually switchable per channel via software)
Maximum Input Level +34 dBu, with pad *
Pad 20 dB
Gain +10 dB to +60 dB
Input Impedance pad off: 40 K ohm balanced
pad on: 1.33 IK ohm, balanced
EIN 126 dBu typ (Max gain, 150 ohm source, 22 Hz – 20 kHz BW) *
LEDs signal presence (indicates –37 dBu or greater), +48V
A/D 24-bit, delta sigma
SRO Analog Output Card
Connector (x8) XLR3–M
Maximum Output Level +24 dBu *
Output Impedance 50 ohm
LEDs signal presence (indicates –37 dBu or greater), mute
D/A 24-bit, delta sigma, 128x oversampling
* 0 dBu = 0.775 V rms
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